Bug 10724 - System is unstable with EC GPE storm detected
Summary: System is unstable with EC GPE storm detected
Status: CLOSED CODE_FIX
Alias: None
Product: ACPI
Classification: Unclassified
Component: EC (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Alexey Starikovskiy
URL:
Keywords:
: 11679 (view as bug list)
Depends on:
Blocks: 10492
  Show dependency tree
 
Reported: 2008-05-16 13:18 UTC by Rafael J. Wysocki
Modified: 2008-10-24 23:23 UTC (History)
15 users (show)

See Also:
Kernel Version: 2.6.26-rc2-git5
Subsystem:
Regression: Yes
Bisected commit-id:


Attachments
Patch: debug EC GPE (801 bytes, patch)
2008-06-01 19:04 UTC, Zhang Rui
Details | Diff
ACPI:EC:GPE storm detected, disabling EC GPE (48.23 KB, application/octet-stream)
2008-06-01 23:11 UTC, Justin P. Mattock
Details
Use msleep instead of udelay (712 bytes, patch)
2008-06-02 00:39 UTC, Alexey Starikovskiy
Details | Diff
Increase threshold for stray interrupts (693 bytes, patch)
2008-06-02 00:41 UTC, Alexey Starikovskiy
Details | Diff
Disable GPE during transaction only (5.99 KB, patch)
2008-06-10 06:54 UTC, Alexey Starikovskiy
Details | Diff
Disable GPE while query is pending (6.75 KB, patch)
2008-06-14 05:11 UTC, Alexey Starikovskiy
Details | Diff
no external modules (33.22 KB, application/octet-stream)
2008-06-29 11:39 UTC, Justin P. Mattock
Details
gpe storm during boot (33.01 KB, application/octet-stream)
2008-06-29 11:40 UTC, Justin P. Mattock
Details
remove A/C adapter (46.12 KB, application/octet-stream)
2008-06-29 11:41 UTC, Justin P. Mattock
Details
adding acpi_osi=Linux (40.07 KB, application/octet-stream)
2008-07-04 12:24 UTC, Justin P. Mattock
Details
acpi_osi=Darwin (37.99 KB, text/plain)
2008-07-04 12:25 UTC, Justin P. Mattock
Details
acpidump (110.10 KB, application/octet-stream)
2008-07-06 23:43 UTC, Justin P. Mattock
Details
acpi_osi=Linux (424 bytes, text/plain)
2008-07-06 23:44 UTC, Justin P. Mattock
Details
acpi_osi=Darwin results of /sys/firmware/acpi/interrupts/* (394 bytes, text/plain)
2008-07-06 23:46 UTC, Justin P. Mattock
Details
dsdt.dsl macbook2,2 (167.33 KB, application/octet-stream)
2008-07-06 23:48 UTC, Justin P. Mattock
Details
Register SBS notify callback (1.22 KB, patch)
2008-07-07 05:24 UTC, Alexey Starikovskiy
Details | Diff
sbs module with patch (38.29 KB, text/plain)
2008-07-07 10:56 UTC, Justin P. Mattock
Details
Avoid dropping rapid hotkey events (or other GPEs) on Asus EeePC (5.06 KB, patch)
2008-07-17 04:54 UTC, Alexey Starikovskiy
Details | Diff
/sys/firmware/acpi/interrupts $ grep . * (354 bytes, text/plain)
2008-08-06 04:26 UTC, Jean-Michel Bruenn
Details
make poll switch manual (3.15 KB, patch)
2008-08-21 09:03 UTC, Alexey Starikovskiy
Details | Diff
acpi_osi=Darwin+ec_intr=0 (43.53 KB, application/octet-stream)
2008-08-21 12:00 UTC, Justin P. Mattock
Details
acpi_osi=Darwin+ec_intr=non-0 (43.24 KB, application/octet-stream)
2008-08-21 12:01 UTC, Justin P. Mattock
Details
acpi_osi=Linux+ec_intr=0 (44.34 KB, application/octet-stream)
2008-08-21 12:01 UTC, Justin P. Mattock
Details
acpi_osi=Linux+ec_intr=non-0 (44.61 KB, application/octet-stream)
2008-08-21 12:02 UTC, Justin P. Mattock
Details
try the debug patch in which EC GPE works in level mode (609 bytes, patch)
2008-09-02 01:30 UTC, ykzhao
Details | Diff
try the debug patch in which the query_pending bit is cleared after processing EC notification event (2.72 KB, patch)
2008-09-02 23:51 UTC, ykzhao
Details | Diff
Patch 1/2 : try the debug patch in which the query_pending bit is cleared after processing EC notification event (2.17 KB, patch)
2008-09-03 23:22 UTC, ykzhao
Details | Diff
Patch 2/2: try the debug patch in which EC work mode is simplified (5.43 KB, patch)
2008-09-03 23:26 UTC, ykzhao
Details | Diff
Add some delay in EC GPE interrupt handler on some bios. (Patch 3) (3.82 KB, patch)
2008-09-04 03:11 UTC, ykzhao
Details | Diff
cleaner storm detection, lower lattencies (13.29 KB, patch)
2008-09-04 05:26 UTC, Alexey Starikovskiy
Details | Diff
patch vs 2.6.27-rc7 (16.15 KB, patch)
2008-09-25 12:12 UTC, Len Brown
Details | Diff
dmesg of 2.6.27-rc7 patch applied to a macbook pro (49.35 KB, application/octet-stream)
2008-10-17 17:20 UTC, Justin P. Mattock
Details

Description Rafael J. Wysocki 2008-05-16 13:18:43 UTC
Subject    : ACPI : EC: GPE
Submitter  : "Justin Mattock" <justinmattock@gmail.com>
Date       : 2008-05-16 6:17
References : http://marc.info/?l=linux-kernel&m=121091875711824&w=4

This entry is being used for tracking a regression from 2.6.25.  Please don't
close it until the problem is fixed in the mainline.
Comment 1 Rafael J. Wysocki 2008-05-20 15:04:10 UTC
Justin said:

"Looking at my var/log/* it's been two days and I have not received
this message, The only configuration change was disabling irq
balancing, changing 300MHZ to 100MHZ, and choosing y to CONFIG_PREEMPT_NONE=y."

References : http://lkml.org/lkml/2008/5/18/168
Comment 2 Rafael J. Wysocki 2008-05-29 14:23:15 UTC
The problem appears to be present in 2.6.26-rc4.
References : http://lkml.org/lkml/2008/5/25/195
Comment 3 Justin P. Mattock 2008-05-29 14:29:54 UTC
On Thu, May 29, 2008 at 9:23 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #2 from rjw@sisk.pl  2008-05-29 14:23 -------
> The problem appears to be present in 2.6.26-rc4.
> References : http://lkml.org/lkml/2008/5/25/195
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

I'm still receiving this message, I'm currently  still using
2.6.26-rc3. I'm planning on updating, but need to do some writing
exercise first.
Comment 4 Zhang Rui 2008-06-01 18:55:57 UTC
can you please do do this test in a working kernel(kernel w/o "ACPI: EC: GPE storm detected, disabling EC GPE" in dmesg)?
$cd /sys/firmware/acpi/interrupts
$grep . *
and attach the result here,
this may indicates if there is an actual interrupt storm.
Comment 5 Zhang Rui 2008-06-01 19:04:49 UTC
Created attachment 16357 [details]
Patch: debug EC GPE

If it's not an interrupt storm, this patch may help us find a more suitable threshold for detecting EC GPE storm.
Justin, please apply the debug patch and attach the dmesg output.
Comment 6 Justin P. Mattock 2008-06-01 21:34:10 UTC
On Mon, Jun 2, 2008 at 2:04 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #5 from rui.zhang@intel.com  2008-06-01 19:04 -------
> Created an attachment (id=16357)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16357&action=view)
> Patch: debug EC GPE
>
> If it's not an interrupt storm, this patch may help us find a more suitable
> threshold for detecting EC GPE storm.
> Justin, please apply the debug patch and attach the dmesg output.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.K. I recompiled attached is dmesg I'm seeing a:

[  115.021943] ACPI: EC: 6 EC interrupts detected, EC GPE storm?
[  115.021943] ACPI: EC: 7 EC interrupts detected, EC GPE storm?
[  115.026666] ACPI: EC: 8 EC interrupts detected, EC GPE storm?
[  115.036630] ACPI: EC: 9 EC interrupts detected, EC GPE storm?

Which probably means something not good!!
regards; and thank you for the help.
Comment 7 Zhang Rui 2008-06-01 22:32:08 UTC
could you please attach the test result I asked in comment #4 please?
Comment 8 Justin P. Mattock 2008-06-01 23:11:13 UTC
Created attachment 16362 [details]
ACPI:EC:GPE storm detected, disabling EC GPE

Hope this help's with this issue.
Comment 9 Justin P. Mattock 2008-06-01 23:13:49 UTC
On Mon, Jun 2, 2008 at 5:32 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> rui.zhang@intel.com changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>             Status|ASSIGNED                    |NEEDINFO
>
>
>
>
> ------- Comment #7 from rui.zhang@intel.com  2008-06-01 22:32 -------
> could you please attach the test result I asked in comment #4 please?
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.K. . Hope this helps.
regards;
Comment 10 Zhang Rui 2008-06-01 23:29:43 UTC
Hah, valuable info. thanks.

This problem is caused by commit fa95ba04e6ba11d71e1b87becd054b38faf546c8.
I don't know if we should call it a bug or not as EC poll mode should still work for you, right?

Justin,
do you get any other problems, like something failed to work anymore, after seeing the " ACPI: EC: GPE storm detected, disabling EC GPE" message?

Alexey,
maybe it's too aggressive to switch to poll mode if more than 5 EC GPEs  are not handled in time?
Comment 11 Justin P. Mattock 2008-06-01 23:36:29 UTC
On Mon, Jun 2, 2008 at 6:29 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #10 from rui.zhang@intel.com  2008-06-01 23:29 -------
> Hah, valuable info. thanks.
>
> This problem is caused by commit fa95ba04e6ba11d71e1b87becd054b38faf546c8.
> I don't know if we should call it a bug or not as EC poll mode should still
> work for you, right?
>
> Justin,
> do you get any other problems, like something failed to work anymore, after
> seeing the " ACPI: EC: GPE storm detected, disabling EC GPE" message?
>
> Alexey,
> maybe it's too aggressive to switch to poll mode if more than 5 EC GPEs  are
> not handled in time?
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

No everything runs fine, The only weird thing I see is with ift-load
and uvcvideo from time to time it will not load
when I start the system up.(usually after I recompile the kernel).
regards;
Comment 12 Alexey Starikovskiy 2008-06-02 00:37:24 UTC
Rui,
5 was a wild guess. In theory, we should not get even 2 if the EC is working right. Now it seems that almost all cheap machines are shipped with broken EC and not all the people are happy with the switch to poll mode on these machines.
Were could be two solutions -- one is to increase cut-off to say 10, and the other to change from udelay(ACPI_EC_DELAY) to msleep(1).
Comment 13 Alexey Starikovskiy 2008-06-02 00:39:52 UTC
Created attachment 16364 [details]
Use msleep instead of udelay

Please test this patch first
Comment 14 Alexey Starikovskiy 2008-06-02 00:41:36 UTC
Created attachment 16365 [details]
Increase threshold for stray interrupts

Please also test this one.
Comment 15 Justin P. Mattock 2008-06-02 09:25:53 UTC
On Mon, Jun 2, 2008 at 7:41 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #14 from astarikovskiy@suse.de  2008-06-02 00:41 -------
> Created an attachment (id=16365)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view)
> Increase threshold for stray interrupts
>
> Please also test this one.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Sorry for keeping you waiting, I'm over on the west coast(Socal), I'll
give these a try and see what happens
regards;
Comment 16 Justin P. Mattock 2008-06-02 10:18:24 UTC
On Mon, Jun 2, 2008 at 4:25 PM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Mon, Jun 2, 2008 at 7:41 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>>
>>
>>
>> ------- Comment #14 from astarikovskiy@suse.de  2008-06-02 00:41 -------
>> Created an attachment (id=16365)
>>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view)
>> Increase threshold for stray interrupts
>>
>> Please also test this one.
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
> Sorry for keeping you waiting, I'm over on the west coast(Socal), I'll
> give these a try and see what happens
> regards;
>
> --
> Justin P. Mattock
>

Alright I applied the patches, and am not seeing anything of this
nature("knock on wood"), I'll let the system run as is for
a while(1hrs or 2hrs) and post dmesg. Hopefully this takes care of it.
regards;
Comment 17 Justin P. Mattock 2008-06-02 11:10:00 UTC
On Mon, Jun 2, 2008 at 5:18 PM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Mon, Jun 2, 2008 at 4:25 PM, Justin Mattock <justinmattock@gmail.com>
> wrote:
>> On Mon, Jun 2, 2008 at 7:41 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>>
>>>
>>>
>>>
>>>
>>> ------- Comment #14 from astarikovskiy@suse.de  2008-06-02 00:41 -------
>>> Created an attachment (id=16365)
>>>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view)
>>> Increase threshold for stray interrupts
>>>
>>> Please also test this one.
>>>
>>>
>>> --
>>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>>> ------- You are receiving this mail because: -------
>>> You are on the CC list for the bug, or are watching someone who is.
>>>
>>
>> Sorry for keeping you waiting, I'm over on the west coast(Socal), I'll
>> give these a try and see what happens
>> regards;
>>
>> --
>> Justin P. Mattock
>>
>
> Alright I applied the patches, and am not seeing anything of this
> nature("knock on wood"), I'll let the system run as is for
> a while(1hrs or 2hrs) and post dmesg. Hopefully this takes care of it.
> regards;
>
> --
> Justin P. Mattock
>

O.K. here is dmesg of the system running after around an hour;
regards;
Comment 18 Rafael J. Wysocki 2008-06-05 14:13:11 UTC
Regressions list annotation:
Handled-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Patch : http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
Patch : http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
Comment 19 Justin P. Mattock 2008-06-05 14:22:17 UTC
On Thu, Jun 5, 2008 at 9:13 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #18 from rjw@sisk.pl  2008-06-05 14:13 -------
> Regressions list annotation:
> Handled-by: Alexey Starikovskiy <astarikovskiy@suse.de>
> Patch : http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
> Patch : http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>
after seeing a post about changing 5 to 20 I decided to give this a try:
So after an hour I of having the system running with the change I have
not seen this message. Keep in mind I did patch the file,
but after a few days I decide to put everything back and start fresh.
So the only changes is this below:


drivers/acpi/ec.c
@@ -527,47 +488,51 @@ static u32 acpi_ec_gpe_handler(void *data)
 {
        acpi_status status = AE_OK;
        struct acpi_ec *ec = data;
       u8 state = acpi_ec_read_status(ec);

        pr_debug(PREFIX "~~~> interrupt\n");
       atomic_inc(&ec->irq_count);
-       if (atomic_read(&ec->irq_count) > 5) {
+       if (atomic_read(&ec->irq_count) > 20) {
               pr_err(PREFIX "GPE storm detected, disabling EC GPE\n");
               ec_switch_to_poll_mode(ec);
               goto end;
       }

hopefully this works.
regards;
Comment 20 Len Brown 2008-06-06 08:50:34 UTC
msleep patch in comment #13 added to acpi-test tree
Comment 21 Alexey Starikovskiy 2008-06-10 06:54:32 UTC
Created attachment 16447 [details]
Disable GPE during transaction only

Please check that this patch helps.
Comment 22 Justin P. Mattock 2008-06-10 07:02:11 UTC
On Tue, Jun 10, 2008 at 1:54 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> astarikovskiy@suse.de changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>  Attachment #16364 [details]|0                           |1
>        is obsolete|                            |
>  Attachment #16365 [details]|0                           |1
>        is obsolete|                            |
>         AssignedTo|rui.zhang@intel.com         |astarikovskiy@suse.de
>             Status|REOPENED                    |ASSIGNED
>
>
>
>
> ------- Comment #21 from astarikovskiy@suse.de  2008-06-10 06:54 -------
> Created an attachment (id=16447)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16447&action=view)
> Disable GPE during transaction only
>
> Please check that this patch helps.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Will do, I'll let you know of the status.
regards;
Comment 23 Justin P. Mattock 2008-06-10 14:15:24 UTC
On Tue, Jun 10, 2008 at 2:01 PM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Tue, Jun 10, 2008 at 1:54 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>> astarikovskiy@suse.de changed:
>>
>>           What    |Removed                     |Added
>> ----------------------------------------------------------------------------
>>  Attachment #16364 [details]|0                           |1
>>        is obsolete|                            |
>>  Attachment #16365 [details]|0                           |1
>>        is obsolete|                            |
>>         AssignedTo|rui.zhang@intel.com         |astarikovskiy@suse.de
>>             Status|REOPENED                    |ASSIGNED
>>
>>
>>
>>
>> ------- Comment #21 from astarikovskiy@suse.de  2008-06-10 06:54 -------
>> Created an attachment (id=16447)
>>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16447&action=view)
>> Disable GPE during transaction only
>>
>> Please check that this patch helps.
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
> Will do, I'll let you know of the status.
> regards;
>
> --
> Justin P. Mattock
>

Sorry for the latency,(I stepped out for a while), I wanted to make
sure I have this correct with the patch that you had sent me today
do I just apply that one to a fresh copy of ec.c or do I need to apply
 today's, plus the other two that was sent to me last week?
I went ahead and applied the patch from today but only today on a
fresh copy of ec.c, I did notice the gpe storm message, as well as Hal
having difficulty loading, as well as funkiness from the battery going
from plugged-in to unplugged not showing any info in dmesg.
from that I was skeptical with keeping that running so I went and put
everything back just to be safe.
regards;
Comment 24 Alexey Starikovskiy 2008-06-10 14:30:44 UTC
Justin,
battery and AC drivers are read-only to HW. They do not change the state of HW in any way, thus it is not very critical to allow them being "broken" or oddly-behaving.
regards.
Comment 25 Justin P. Mattock 2008-06-10 16:49:18 UTC
On Tue, Jun 10, 2008 at 9:30 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #24 from astarikovskiy@suse.de  2008-06-10 14:30 -------
> Justin,
> battery and AC drivers are read-only to HW. They do not change the state of
> HW
> in any way, thus it is not very critical to allow them being "broken" or
> oddly-behaving.
> regards.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.K.,("Strange behavior from over here, for some reason") Anyways
As for applying the patches I am willing to try, do I need to apply
the three to ec.c or
just today's, to a fresh copy of ec.c,  Also just to let you know that
on line 191 of ec.c with today's patch applied this need's to be
removed ec_schedule_ec_poll(ec);  as well, so you can compile,(I
realize people get tired and miss things here and there, which is
O.K.);
regards;
Comment 26 Len Brown 2008-06-10 21:11:19 UTC
Justin,
what do you see when you apply only the patch from comment #13?
If it functions properly, do you notice any performance difference,
say, when accessing battery files?
Comment 27 Justin P. Mattock 2008-06-11 00:42:19 UTC
On Wed, Jun 11, 2008 at 4:11 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> len.brown@intel.com changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>             Status|ASSIGNED                    |NEEDINFO
>
>
>
>
> ------- Comment #26 from len.brown@intel.com  2008-06-10 21:11 -------
> Justin,
> what do you see when you apply only the patch from comment #13?
> If it functions properly, do you notice any performance difference,
> say, when accessing battery files?
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Hello; It's midnight right now so I'll have to give you a better
response tomorrow; anyways to give you as much info as possible: As a
small test I wanted to see how the system would react without the
battery, and yes the message seems to not be there. i.g. As a small
test running the system without the battery has given me 5+ hours
without this message.(leading me to believe this has to do with the
battery or something in the same vicinity).  I think whats happening
is the people with the other laptop's are noticing key's and such, as
for people with mac's there noticing battery issues.
regards;
Comment 28 Len Brown 2008-06-12 22:17:51 UTC
The patch from comment #13 shipped in linux-2.6.26-rc6,
please let us know if that works or if we still
have an issue with this box.

commit 1b7fc5aae8867046f8d3d45808309d5b7f2e036a
Author: Alexey Starikovskiy <astarikovskiy@suse.de>
Date:   Fri Jun 6 11:49:33 2008 -0400

    ACPI: EC: Use msleep instead of udelay while waiting for event.
Comment 29 Justin P. Mattock 2008-06-12 23:23:08 UTC
On Fri, Jun 13, 2008 at 5:17 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> len.brown@intel.com changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>             Status|NEEDINFO                    |RESOLVED
>         Resolution|                            |CODE_FIX
>
>
>
>
> ------- Comment #28 from len.brown@intel.com  2008-06-12 22:17 -------
> The patch from comment #13 shipped in linux-2.6.26-rc6,
> please let us know if that works or if we still
> have an issue with this box.
>
> commit 1b7fc5aae8867046f8d3d45808309d5b7f2e036a
> Author: Alexey Starikovskiy <astarikovskiy@suse.de>
> Date:   Fri Jun 6 11:49:33 2008 -0400
>
>    ACPI: EC: Use msleep instead of udelay while waiting for event.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
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>

O.K. didn't mean to keep you waiting, I'll give it a try.
regards;
Comment 30 Justin P. Mattock 2008-06-12 23:33:05 UTC
On Fri, Jun 13, 2008 at 6:23 AM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Fri, Jun 13, 2008 at 5:17 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>> len.brown@intel.com changed:
>>
>>           What    |Removed                     |Added
>> ----------------------------------------------------------------------------
>>             Status|NEEDINFO                    |RESOLVED
>>         Resolution|                            |CODE_FIX
>>
>>
>>
>>
>> ------- Comment #28 from len.brown@intel.com  2008-06-12 22:17 -------
>> The patch from comment #13 shipped in linux-2.6.26-rc6,
>> please let us know if that works or if we still
>> have an issue with this box.
>>
>> commit 1b7fc5aae8867046f8d3d45808309d5b7f2e036a
>> Author: Alexey Starikovskiy <astarikovskiy@suse.de>
>> Date:   Fri Jun 6 11:49:33 2008 -0400
>>
>>    ACPI: EC: Use msleep instead of udelay while waiting for event.
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
> O.K. didn't mean to keep you waiting, I'll give it a try.
> regards;
>
> --
> Justin P. Mattock
>

Ooops I didn't understand you're message, "know wonder I saw it in
there", O.K. anyways, after being up all day today(pulled this
morning)
which has msleep in there, I'm still seeing this message. argv(I
really don't know how or what to do with this one"). for the time
being
I'll just keep my battery removed, so I don't see this message.
regards;
Comment 31 Norbert Preining 2008-06-12 23:40:59 UTC
Hi all,
I cannot confirm that 2.6.26-rc6 fixes that. I have seen this in all the -rc series but not 2.6.25. Now I still get:
ACPI: EC: non-query interrupt received, switching to interrupt mode
ACPI: EC: GPE storm detected, disabling EC GPE
which I didn't have in 2.6.25.

2.6.26-rc6 #1 SMP PREEMPT
Acer TravelMate 3012

Doing the grep . /sys/firmware/acpi/interrupts/* stuff I see all zeros around, but still:
  gpe_all:6
  sci:6
so that are the only lines with a non-zero value.

(all with 2.6.26-rc6)

Is there more I can provide?

Bye

Norbert
Comment 32 Alexey Starikovskiy 2008-06-13 01:53:28 UTC
Message "ACPI: EC: GPE storm detected, disabling EC GPE" should appear on all broken hardware, we are not trying to "fix" that.
Do you see any _problems_, like battery/ac state not updating, etc?
Comment 33 Justin P. Mattock 2008-06-13 13:16:30 UTC
On Fri, Jun 13, 2008 at 8:53 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #32 from astarikovskiy@suse.de  2008-06-13 01:53 -------
> Message "ACPI: EC: GPE storm detected, disabling EC GPE" should appear on all
> broken hardware, we are not trying to "fix" that.
> Do you see any _problems_, like battery/ac state not updating, etc?
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
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>

yes, when disconnecting the A/C adapter after the message appears,
issuing acpi in a terminal results with nothing on how much
time left etc.., and also if this message appears, and I disconnect
the battery itself, and reattach I will not see any info on the
battery, normally
I do. I think here with the mac's It something with the battery, and
not power buttons, or keyboard keys(but could be wrong).
regards
Comment 34 Alexey Starikovskiy 2008-06-13 15:03:38 UTC
please check the contents of /proc/acpi/ac_adapter and /proc/acpi/battery/*/ for these situations. As I understand state of ac_adapter does not change as you plug/un-plug it, right? Same with the battery, yes?
Comment 35 Justin P. Mattock 2008-06-13 18:01:28 UTC
On Fri, Jun 13, 2008 at 10:03 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #34 from astarikovskiy@suse.de  2008-06-13 15:03 -------
> please check the contents of /proc/acpi/ac_adapter and /proc/acpi/battery/*/
> for these situations. As I understand state of ac_adapter does not change as
> you plug/un-plug it, right? Same with the battery, yes?
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
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>


Usually when I disconect the battery and reconect there will be a
message in dmesg
attached is when I connect the battery, when the message appears this
will not be seen.
I'll have a check in the files also /proc/acpi/*
regards
Comment 36 Alexey Starikovskiy 2008-06-14 05:11:22 UTC
Created attachment 16474 [details]
Disable GPE while query is pending

Please check if this patch works better (on top of -rc6)
Comment 37 Justin P. Mattock 2008-06-14 13:17:19 UTC
On Sat, Jun 14, 2008 at 12:11 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> astarikovskiy@suse.de changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>  Attachment #16447 [details]|0                           |1
>        is obsolete|                            |
>
>
>
>
> ------- Comment #36 from astarikovskiy@suse.de  2008-06-14 05:11 -------
> Created an attachment (id=16474)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16474&action=view)
> Disable GPE while query is pending
>
> Please check if this patch works better (on top of -rc6)
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
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>

Sure, I might of tried this patch already, but that was for rc5,
hopefully this fixes this.
Comment 38 Justin P. Mattock 2008-06-14 15:55:12 UTC
On Sat, Jun 14, 2008 at 8:16 PM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Sat, Jun 14, 2008 at 12:11 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>> astarikovskiy@suse.de changed:
>>
>>           What    |Removed                     |Added
>> ----------------------------------------------------------------------------
>>  Attachment #16447 [details]|0                           |1
>>        is obsolete|                            |
>>
>>
>>
>>
>> ------- Comment #36 from astarikovskiy@suse.de  2008-06-14 05:11 -------
>> Created an attachment (id=16474)
>>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16474&action=view)
>> Disable GPE while query is pending
>>
>> Please check if this patch works better (on top of -rc6)
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
> Sure, I might of tried this patch already, but that was for rc5,
> hopefully this fixes this.
>
> --
> Justin P. Mattock
>

O.K. I pulled the latest git, and applied the patch, on the first try,
I made the mistake of changing 5 to 20, i.g.
if (atomic_read(&ec->irq_count) > 5 &&, So after putting 20 back to 5,
with everything as they should
I see this in dmesg:
[  208.352562] ACPI: EC: GPE storm detected, disabling EC GPE
[  208.454844] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  208.532300] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  208.599015] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  244.123340] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  275.941465] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  307.755635] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  339.450494] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  371.562684] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  403.161222] ACPI: EC: non-query interrupt received, switching to
interrupt mode
[  408.460630] applesmc: wait status failed: 5 != 4
[  408.723819] applesmc: wait status failed: c != 8
[  434.952505] ACPI: EC: non-query interrupt received, switching to
interrupt mode

maybe changing 5 to 20 is not a bad idea, but then again maybe it is
due to not seeing this message right away.
I'm going to try putting 5 to 20, just to see.
Comment 39 Alexey Starikovskiy 2008-06-15 10:35:38 UTC
Justin, I'm interested in ac_adapter state correctness with the vanilla kernel + last patch alone. You could set 5 to 20 or 100 or even delete the whole detection afterwards. Thanks.
Comment 40 Justin P. Mattock 2008-06-15 10:47:49 UTC
On Sun, Jun 15, 2008 at 5:35 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #39 from astarikovskiy@suse.de  2008-06-15 10:35 -------
> Justin, I'm interested in ac_adapter state correctness with the vanilla
> kernel
> + last patch alone. You could set 5 to 20 or 100 or even delete the whole
> detection afterwards. Thanks.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.K. after setting to 5, you saw what I was seeing, I've set this to
20 now, to see what happens. As a status:
yesterday the system was up for 2:38:00 hrs without this message. So
today I'm going to try and leave the system running all day to see.
The last time I did this with udelay set in ec.c the message appeared
after three hours., So maybe msleep will be different.
regards;
Comment 41 Justin P. Mattock 2008-06-15 16:00:21 UTC
On Sun, Jun 15, 2008 at 5:47 PM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Sun, Jun 15, 2008 at 5:35 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>>
>>
>>
>> ------- Comment #39 from astarikovskiy@suse.de  2008-06-15 10:35 -------
>> Justin, I'm interested in ac_adapter state correctness with the vanilla
>> kernel
>> + last patch alone. You could set 5 to 20 or 100 or even delete the whole
>> detection afterwards. Thanks.
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
> O.K. after setting to 5, you saw what I was seeing, I've set this to
> 20 now, to see what happens. As a status:
> yesterday the system was up for 2:38:00 hrs without this message. So
> today I'm going to try and leave the system running all day to see.
> The last time I did this with udelay set in ec.c the message appeared
> after three hours., So maybe msleep will be different.
> regards;
> --
> Justin P. Mattock
>

Attached is dmesg of the system being up for a while, after around
five hours the GPE storm is triggered:
So if I set 5 to 20 then to 100 will that hurt anything on the system?
Comment 42 Justin P. Mattock 2008-06-15 16:11:02 UTC
On Sun, Jun 15, 2008 at 11:00 PM, Justin Mattock
<justinmattock@gmail.com> wrote:
> On Sun, Jun 15, 2008 at 5:47 PM, Justin Mattock <justinmattock@gmail.com>
> wrote:
>> On Sun, Jun 15, 2008 at 5:35 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>>
>>>
>>>
>>>
>>>
>>> ------- Comment #39 from astarikovskiy@suse.de  2008-06-15 10:35 -------
>>> Justin, I'm interested in ac_adapter state correctness with the vanilla
>>> kernel
>>> + last patch alone. You could set 5 to 20 or 100 or even delete the whole
>>> detection afterwards. Thanks.
>>>
>>>
>>> --
>>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>>> ------- You are receiving this mail because: -------
>>> You are on the CC list for the bug, or are watching someone who is.
>>>
>>
>> O.K. after setting to 5, you saw what I was seeing, I've set this to
>> 20 now, to see what happens. As a status:
>> yesterday the system was up for 2:38:00 hrs without this message. So
>> today I'm going to try and leave the system running all day to see.
>> The last time I did this with udelay set in ec.c the message appeared
>> after three hours., So maybe msleep will be different.
>> regards;
>> --
>> Justin P. Mattock
>>
>
> Attached is dmesg of the system being up for a while, after around
> five hours the GPE storm is triggered:
> So if I set 5 to 20 then to 100 will that hurt anything on the system?
>
> --
> Justin P. Mattock
>

Also the state of the A/C adapter is real sketchy after the message is
triggered, when unplugging the A/C, the dimmer for the screen does not
trigger, on the first or second disconnect, but eventually will, upon
plugging the A/C the dimmer will not brighten the screen on some
tries, then I noticed pommed was becoming reversed. i.g. unplugging,
the screen does not dim, upon plugging in the A/C the screen dims.
There is
info on the battery state ans so forth in dmesg.
I guess setting 20 to 100 will take longer for the GPE storm message
to be triggered, which is good in my case, due to not having my system
on  for long periods of time, but not so good for servers and such
that are on for weeks or month's at a time.
Comment 43 Rafael J. Wysocki 2008-06-22 14:30:10 UTC
On Sunday, 22 of June 2008, Justin Mattock wrote:
> On Sun, Jun 22, 2008 at 5:54 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.25.  Please verify if it still should be listed.
> >
> >
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=10724
> > Subject         : ACPI: EC: GPE storm detected, disabling EC GPE
> > Submitter       : Justin Mattock <justinmattock@gmail.com>
> > Date            : 2008-05-16 6:17 (38 days old)
> > References      : http://marc.info/?l=linux-kernel&m=121091875711824&w=4
> >                  http://lkml.org/lkml/2008/5/18/168
> >                  http://lkml.org/lkml/2008/5/25/195
> > Patch           :
> http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
> >                 
> http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
> >
> >
> >
> 
> Yes; setting  if (atomic_read(&ec->irq_count) > 5) { to
>       if (atomic_read(&ec->irq_count) > 20) {
> in drivers/acpi/ac.c only prolongs the bug, after a period of time(3
> to 5 hrs) the the message does appear.
Comment 44 Len Brown 2008-06-25 22:12:50 UTC
setting to UNRESOLVED
since per comment #28, as we shipped the msleep(1) patch
from comment #13 and we still have a problem in 2.6.26-rc8.

(should we revert that patch?)

and various incantations of testing the patch in comment #14
have apparently not led to a conclusion.
Comment 45 Justin P. Mattock 2008-06-26 11:54:43 UTC
On Thu, Jun 26, 2008 at 5:12 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> len.brown@intel.com changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>             Status|RESOLVED                    |REOPENED
>         Resolution|CODE_FIX                    |
>
>
>
>
> ------- Comment #44 from len.brown@intel.com  2008-06-25 22:12 -------
> setting to UNRESOLVED
> since per comment #28, as we shipped the msleep(1) patch
> from comment #13 and we still have a problem in 2.6.26-rc8.
>
> (should we revert that patch?)
>
> and various incantations of testing the patch in comment #14
> have apparently not led to a conclusion.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

If you would like to, I don't see a problem with that.
Comment 46 Adrian Bunk 2008-06-27 14:42:11 UTC
Does a 2.6.26-rc8 kernel that is both unpatched and without any external
modules loaded exhibit this problem?

If yes, please attach the output of "dmesg -s 1000000".
Comment 47 Justin P. Mattock 2008-06-27 15:15:28 UTC
On Fri, Jun 27, 2008 at 9:42 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> bunk@kernel.org changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |bunk@kernel.org
>
>
>
>
> ------- Comment #46 from bunk@kernel.org  2008-06-27 14:42 -------
> Does a 2.6.26-rc8 kernel that is both unpatched and without any external
> modules loaded exhibit this problem?
>
> If yes, please attach the output of "dmesg -s 1000000".
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

 let me compile a fresh kernel and give you the results(dmesg)
So give me some time for this as well as the others.
regards;
Comment 48 Justin P. Mattock 2008-06-27 22:21:24 UTC
On Fri, Jun 27, 2008 at 10:15 PM, Justin Mattock
<justinmattock@gmail.com> wrote:
> On Fri, Jun 27, 2008 at 9:42 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>> bunk@kernel.org changed:
>>
>>           What    |Removed                     |Added
>> ----------------------------------------------------------------------------
>>                 CC|                            |bunk@kernel.org
>>
>>
>>
>>
>> ------- Comment #46 from bunk@kernel.org  2008-06-27 14:42 -------
>> Does a 2.6.26-rc8 kernel that is both unpatched and without any external
>> modules loaded exhibit this problem?
>>
>> If yes, please attach the output of "dmesg -s 1000000".
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
>  let me compile a fresh kernel and give you the results(dmesg)
> So give me some time for this as well as the others.
> regards;
>
> --
> Justin P. Mattock
>

O.K. I loaded a fresh kernel hot off the oven: attached is dmesg1
after around 13min the message appears, and dmesg2
of the message going off during boot.
Keep in mind there are no external modules installed.
regards
Comment 49 Adrian Bunk 2008-06-29 11:21:51 UTC
(In reply to comment #48)
> On Fri, Jun 27, 2008 at 10:15 PM, Justin Mattock

> O.K. I loaded a fresh kernel hot off the oven: attached is dmesg1
> after around 13min the message appears, and dmesg2
> of the message going off during boot.

It seems you sent them as email attachments, which means I'm not getting them.

Please attach them to the bug.

Thanks
Comment 50 Justin P. Mattock 2008-06-29 11:36:05 UTC
On Sun, Jun 29, 2008 at 6:21 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #49 from bunk@kernel.org  2008-06-29 11:21 -------
> (In reply to comment #48)
>> On Fri, Jun 27, 2008 at 10:15 PM, Justin Mattock
>
>> O.K. I loaded a fresh kernel hot off the oven: attached is dmesg1
>> after around 13min the message appears, and dmesg2
>> of the message going off during boot.
>
> It seems you sent them as email attachments, which means I'm not getting
> them.
>
> Please attach them to the bug.
>
> Thanks
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.K. I'll do that right away.
regards;
Comment 51 Justin P. Mattock 2008-06-29 11:39:18 UTC
Created attachment 16651 [details]
 no external modules

here is dmesg of gpe storm after 13min of the system being up.
there are no external modules at all.
Comment 52 Justin P. Mattock 2008-06-29 11:40:41 UTC
Created attachment 16652 [details]
gpe storm during boot

this was right away during a reboot.
Comment 53 Justin P. Mattock 2008-06-29 11:41:37 UTC
Created attachment 16653 [details]
remove A/C adapter

removing A/C adapter show's the GPE storm message
Comment 54 Justin P. Mattock 2008-06-29 22:05:56 UTC
(In reply to comment #39)
> Justin, I'm interested in ac_adapter state correctness with the vanilla
> kernel
> + last patch alone. You could set 5 to 20 or 100 or even delete the whole
> detection afterwards. Thanks.
> 

Hello; after a week of getting carried away with other parts of the kernel,
I decided to see what the reaction is with unplugging and plugging in the A/C adapter during a gpe storm. With 2.6.26-rc7 it seemed very inconsistent, now with 2.6.26-rc8 I'm seeing right reactions with pommed(i.g. unplugged: screen goes dim, battery info in dmesg etc..) Aside from this everything seems O.K.
Comment 55 Alexey Starikovskiy 2008-06-29 23:33:04 UTC
Justin,
Once again, EC in your machine is not conforming to spec, it sends too many interrupts during its activity. Detection for this is new in 2.6.26-rc, so you are expected to see "GPE storm detected" and this is not a bug in Linux, rather it is bug in your machine (which we can only detect and workaround).
The only thing we could correct, is that workaround does not make your system less usable than it was without it. So, if there is nothing to complain about beside "GPE storm detected" message, your system works as expected, and there is no bug.
Comment 56 Justin P. Mattock 2008-06-30 00:05:57 UTC
On Mon, Jun 30, 2008 at 6:33 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #55 from astarikovskiy@suse.de  2008-06-29 23:33 -------
> Justin,
> Once again, EC in your machine is not conforming to spec, it sends too many
> interrupts during its activity. Detection for this is new in 2.6.26-rc, so
> you
> are expected to see "GPE storm detected" and this is not a bug in Linux,
> rather
> it is bug in your machine (which we can only detect and workaround).
> The only thing we could correct, is that workaround does not make your system
> less usable than it was without it. So, if there is nothing to complain about
> beside "GPE storm detected" message, your system works as expected, and there
> is no bug.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Alright,
 I'm not trying to complain, just trying to see if I can solve
this.(or at least try and help).
Anyways, If you're saying this is not a bug, then I'm happy with
having this closed. As for the workaround; I guess
I've been using that(patch) for sometime now.
regards;
Comment 57 Rafael J. Wysocki 2008-07-02 09:16:01 UTC
On Sunday, 29 of June 2008, Justin Mattock wrote:
> On Sun, Jun 29, 2008 at 6:18 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.25.  Please verify if it still should be listed.
> >
> >
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=10724
> > Subject         : ACPI: EC: GPE storm detected, disabling EC GPE
> > Submitter       : Justin Mattock <justinmattock@gmail.com>
> > Date            : 2008-05-16 6:17 (45 days old)
> > References      : http://marc.info/?l=linux-kernel&m=121091875711824&w=4
> >                  http://lkml.org/lkml/2008/5/18/168
> >                  http://lkml.org/lkml/2008/5/25/195
> > Patch           :
> http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
> >                 
> http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
> >
> >
> >
> 
> yes; still having this message show up. with a patched kernel and
> external modules, and with
> a fresh kernel with no external modules, or patches.
Comment 58 Justin P. Mattock 2008-07-04 12:24:05 UTC
Created attachment 16735 [details]
adding acpi_osi=Linux

receiving large amounts of interrupts in /sys/firmware/acpi/interrupts/
when using this boot param.
Comment 59 Justin P. Mattock 2008-07-04 12:25:49 UTC
Created attachment 16736 [details]
acpi_osi=Darwin

when using acpi_osi=Darwin I'm receiving a lot less of interrupts
in /sys/firmware/acpi/interrupts/ will monitor all day to 
see if this option causes an a detected gpe storm.
Comment 60 Rafael J. Wysocki 2008-07-06 11:07:57 UTC
On Sunday, 6 of July 2008, Justin Mattock wrote:
> On Sun, Jul 6, 2008 at 11:45 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.25.  Please verify if it still should be listed.
> >
> >
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=10724
> > Subject         : ACPI: EC: GPE storm detected, disabling EC GPE
> > Submitter       : Justin Mattock <justinmattock@gmail.com>
> > Date            : 2008-05-16 6:17 (52 days old)
> > References      : http://marc.info/?l=linux-kernel&m=121091875711824&w=4
> >                  http://lkml.org/lkml/2008/5/18/168
> >                  http://lkml.org/lkml/2008/5/25/195
> > Patch           :
> http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
> >                 
> http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
> >
> >
> >
> 
> yes;
> From what I can see so far,  the reason for the gpe storm detector going off
> is due to too many interrupts with the battery. As an example there was
> a bug filed for the same issue with the macbook's:
> https://bugzilla.novell.com/show_bug.cgi?id=301365#c10
> using acpi_osi=Darwin does prevent the gpe storm detector from
> going off, but you loose any info on the battery. If anybody has any ideas on
> modifying any of the battery modules, or adjusting the DSDT it sure
> would be appreciated.
> regards;
Comment 61 Zhang Rui 2008-07-06 22:26:59 UTC
please attach the acpidump.
Please attach the result of "grep . /sys/firmware/acpi/interrupts/*" for both acpi_osi=Linux and acpi_osi=Darwin
Comment 62 Justin P. Mattock 2008-07-06 23:43:19 UTC
Created attachment 16751 [details]
acpidump

acpidump of macbook2,2
Comment 63 Justin P. Mattock 2008-07-06 23:44:47 UTC
Created attachment 16752 [details]
acpi_osi=Linux

copy of /sys/firmware/acpi/interrupts/*
using acpi_osi=Linux
Comment 64 Justin P. Mattock 2008-07-06 23:46:34 UTC
Created attachment 16753 [details]
acpi_osi=Darwin results of /sys/firmware/acpi/interrupts/*

copy of /sys/firmware/acpi/interrupts/*
when using acpi_osi=Darwin boot option
Comment 65 Justin P. Mattock 2008-07-06 23:48:31 UTC
Created attachment 16754 [details]
dsdt.dsl macbook2,2

copy of dsdt.dsl "just for references"
Comment 66 Justin P. Mattock 2008-07-06 23:50:19 UTC
On Mon, Jul 7, 2008 at 5:27 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #61 from rui.zhang@intel.com  2008-07-06 22:26 -------
> please attach the acpidump.
> Please attach the result of "grep . /sys/firmware/acpi/interrupts/*" for both
> acpi_osi=Linux and acpi_osi=Darwin
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.K. here you go, let me know if you need anything else.
regards;
Comment 67 Alexey Starikovskiy 2008-07-07 05:24:48 UTC
Created attachment 16759 [details]
Register SBS notify callback

Please check if this patch helps to load sbshc/sbs drivers.
Comment 68 Justin P. Mattock 2008-07-07 09:33:19 UTC
On Mon, Jul 7, 2008 at 12:24 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #67 from astarikovskiy@suse.de  2008-07-07 05:24 -------
> Created an attachment (id=16759)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16759&action=view)
> Register SBS notify callback
>
> Please check if this patch helps to load sbshc/sbs drivers.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.K. I'll let you know if it loads.
Comment 69 Justin P. Mattock 2008-07-07 10:56:03 UTC
Created attachment 16764 [details]
sbs module with patch

here is dmesg of the (patched)sbs module being loaded after booting up.
unfortunately loading the module during boot causes the system to hang, with
the acpi_osi=Dawrin option.
Comment 70 Justin P. Mattock 2008-07-07 10:58:12 UTC
On Mon, Jul 7, 2008 at 4:32 PM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Mon, Jul 7, 2008 at 12:24 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>>
>>
>>
>> ------- Comment #67 from astarikovskiy@suse.de  2008-07-07 05:24 -------
>> Created an attachment (id=16759)
>>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16759&action=view)
>> Register SBS notify callback
>>
>> Please check if this patch helps to load sbshc/sbs drivers.
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
> O.K. I'll let you know if it loads.
>
> --
> Justin P. Mattock
>

O.k. I applied the patch, in the bug report is an attachment of dmesg,
with the sbs module being loaded.
unfortunately still having sbs hang during boot.
Comment 71 Alexey Starikovskiy 2008-07-07 11:02:24 UTC
Does it load if you disable detection of GPE storm? e.g. put 100 instead of 5?
Comment 72 Justin P. Mattock 2008-07-07 11:44:09 UTC
On Mon, Jul 7, 2008 at 6:02 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #71 from astarikovskiy@suse.de  2008-07-07 11:02 -------
> Does it load if you disable detection of GPE storm? e.g. put 100 instead of
> 5?
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

I went and took the whole detector out of ec.c to see what would
happen, and yes still
the same results. then put the detector back in.
Comment 73 Rafael J. Wysocki 2008-07-13 13:01:33 UTC
On Sunday, 13 of July 2008, Justin Mattock wrote:
> On Sun, Jul 13, 2008 at 6:00 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.25.  Please verify if it still should be listed.
> >
> >
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=10724
> > Subject         : ACPI: EC: GPE storm detected, disabling EC GPE
> > Submitter       : Justin Mattock <justinmattock@gmail.com>
> > Date            : 2008-05-16 6:17 (59 days old)
> > References      : http://marc.info/?l=linux-kernel&m=121091875711824&w=4
> >                  http://lkml.org/lkml/2008/5/18/168
> >                  http://lkml.org/lkml/2008/5/25/195
> > Patch           :
> http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
> >                 
> http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
> >
> >
> >
> 
> Yeah I think it would be a good idea to still have this as a bug.
Comment 74 Rafael J. Wysocki 2008-07-13 13:04:38 UTC
On Sunday, 13 of July 2008, Vegard Nossum wrote:
> On Sun, Jul 13, 2008 at 9:34 PM, Justin Mattock <justinmattock@gmail.com>
> wrote:
> > On Sun, Jul 13, 2008 at 6:00 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> >> This message has been generated automatically as a part of a report
> >> of recent regressions.
> >>
> >> The following bug entry is on the current list of known regressions
> >> from 2.6.25.  Please verify if it still should be listed.
> >>
> >>
> >> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=10724
> >> Subject         : ACPI: EC: GPE storm detected, disabling EC GPE
> >> Submitter       : Justin Mattock <justinmattock@gmail.com>
> >> Date            : 2008-05-16 6:17 (59 days old)
> >> References      : http://marc.info/?l=linux-kernel&m=121091875711824&w=4
> >>                  http://lkml.org/lkml/2008/5/18/168
> >>                  http://lkml.org/lkml/2008/5/25/195
> >> Patch           :
> http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
> >>                 
> http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
> 
> I didn't follow the discussion, but I may contribute the following
> information:
> 
> This message first appears in my logs on May 16. That was with kernel
> version 2.6.24.5-85.fc8. The kernel I used before that was
> 2.6.24.4-64.fc8 (May 3). My logs go back to November 8
> (2.6.23.1-42.fc8). So we can hardly consider this a regression since
> 2.6.25, but rather one since 2.6.24?
> 
> (I'll also note that this message appears quite infrequently here.
> Only 42 times in 219 boot-ups. So it would be hard to bisect, but I'm
> guessing the error was introduced somewhere between 2.6.24.4 and
> 2.6.24.5.)
Comment 75 Rafael J. Wysocki 2008-07-13 13:44:49 UTC
On Sunday, 13 of July 2008, Hugh Dickins wrote:
> On Sun, 13 Jul 2008, Vegard Nossum wrote:
> > On Sun, Jul 13, 2008 at 9:34 PM, Justin Mattock <justinmattock@gmail.com>
> wrote:
> > > On Sun, Jul 13, 2008 at 6:00 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > >> This message has been generated automatically as a part of a report
> > >> of recent regressions.
> > >>
> > >> The following bug entry is on the current list of known regressions
> > >> from 2.6.25.  Please verify if it still should be listed.
> > >>
> > >>
> > >> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=10724
> > >> Subject         : ACPI: EC: GPE storm detected, disabling EC GPE
> > >> Submitter       : Justin Mattock <justinmattock@gmail.com>
> > >> Date            : 2008-05-16 6:17 (59 days old)
> > >> References      : http://marc.info/?l=linux-kernel&m=121091875711824&w=4
> > >>                  http://lkml.org/lkml/2008/5/18/168
> > >>                  http://lkml.org/lkml/2008/5/25/195
> > >> Patch           :
> http://bugzilla.kernel.org/attachment.cgi?id=16364&action=view
> > >>                 
> http://bugzilla.kernel.org/attachment.cgi?id=16365&action=view
> > 
> > I didn't follow the discussion, but I may contribute the following
> information:
> > 
> > This message first appears in my logs on May 16. That was with kernel
> > version 2.6.24.5-85.fc8. The kernel I used before that was
> > 2.6.24.4-64.fc8 (May 3). My logs go back to November 8
> > (2.6.23.1-42.fc8). So we can hardly consider this a regression since
> > 2.6.25, but rather one since 2.6.24?
> > 
> > (I'll also note that this message appears quite infrequently here.
> > Only 42 times in 219 boot-ups. So it would be hard to bisect, but I'm
> > guessing the error was introduced somewhere between 2.6.24.4 and
> > 2.6.24.5.)
> 
> You're comparing against Fedora kernels, which often contain
> patches which haven't got into mainline yet.  As in this case.
> Unless it used to be assembled from separate pieces, there was
> no "GPE storm detected" message in 2.6.24.N or 2.6.25.N: it was
> added in 2.6.26-rc1.
> 
> I sometimes see it too, on a Fujitsu-Siemens laptop.
Comment 76 Alexey Starikovskiy 2008-07-13 14:57:09 UTC
Justin, Darwin SBS issue seems to be big enough for its own bug report.
Vegard, the original problem with this bug was that after EC GPE storm was detected (message...), system became less responsive to AC or special keys. 
Comment 77 Justin P. Mattock 2008-07-13 15:18:12 UTC
On Sun, Jul 13, 2008 at 9:57 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #76 from astarikovskiy@suse.de  2008-07-13 14:57 -------
> Justin, Darwin SBS issue seems to be big enough for its own bug report.
> Vegard, the original problem with this bug was that after EC GPE storm was
> detected (message...), system became less responsive to AC or special keys.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Yep;
I can agree with that.
Comment 78 Alexey Starikovskiy 2008-07-17 04:54:04 UTC
Created attachment 16862 [details]
Avoid dropping rapid hotkey events (or other GPEs) on Asus EeePC

Please check if this patch helps with all the issues...
Comment 79 Justin P. Mattock 2008-07-17 07:24:24 UTC
On Thu, Jul 17, 2008 at 11:54 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #78 from astarikovskiy@suse.de  2008-07-17 04:54 -------
> Created an attachment (id=16862)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=16862&action=view)
> Avoid dropping rapid hotkey events (or other GPEs) on Asus EeePC
>
> Please check if this patch helps with all the issues...
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Cool thanks.
Comment 80 Thomas Bächler 2008-07-20 13:18:46 UTC
The patch 1b7fc5aae8867046f8d3d45808309d5b7f2e036a introduced to fix this bug makes bug http://bugzilla.kernel.org/show_bug.cgi?id=10482 reappear for me, which is fixed if I revert 1b7fc5.
Comment 81 Justin P. Mattock 2008-07-21 01:45:13 UTC
On Sun, Jul 20, 2008 at 1:18 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> thomas@archlinux.org changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |thomas@archlinux.org
>
>
>
>
> ------- Comment #80 from thomas@archlinux.org  2008-07-20 13:18 -------
> The patch 1b7fc5aae8867046f8d3d45808309d5b7f2e036a introduced to fix this bug
> makes bug http://bugzilla.kernel.org/show_bug.cgi?id=10482 reappear for me,
> which is fixed if I revert 1b7fc5.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

At this moment I'm not sure what is causing the amount of
interrupts to the battery mechanism!! i.g.
could pommed or another daemon, be causing the vast
amount of wake ups or something else.
"checking my system for that";
regards;
Comment 82 Jean-Michel Bruenn 2008-08-06 04:11:01 UTC
Hello,

i googled a bit and found this entry, not sure whether i should post here. I have a
similar problem on an Acer Notebook. It's an Acer Aspire 5520 G. I tested some
different Kernel versions - 2.6.25.8 is working fine without any problems, although
i miss some features of 2.6.26.1 i would really want to use - Anyway, _every_
Kernel version in 2.6.26.* isn't working - The Kernel seems to end in a loop or
the Kernel is waiting for something after showing:

	ACPI: EC: GPE storm detected, disabling EC GPE

Anyway, let's give some other _maybe_ helpful information on this:
Booting up with framebuffer (vga=773 ... video=vesafb:mtrr:4,ywrap) gives a blank
screen - if i press the "power" button on my notebook the screen appears and i see
some acpi messages related to pressing the power button.

Booting without framebuffer gives no blank screen (vga=normal) the last message
i can see is the GPE Storm detected one.

I waited 5-10 Minutes, nothing happens.

Booting without acpi works - the system boots up. But.. as most things i use are
using acpi, i cannot work with the system without acpi enabled. So i switched back
to 2.6.25.8 for now.

Any further information i could provide to help here? I'm not a kernel hacker, so
no idea how i could help ;) Ah by the way, pressing the power button gives some
information about a not connected battery - indeed the notebook battery isn't
plugged in, don't know whether that's important or not.
Comment 83 Jean-Michel Bruenn 2008-08-06 04:26:42 UTC
Created attachment 17102 [details]
/sys/firmware/acpi/interrupts $ grep . *

someone asked for this on a working kernel without the GPE storm detected message - so thats the output on a acer aspire 5520g using linux-2.6.25.8
Comment 84 Justin P. Mattock 2008-08-06 09:27:19 UTC
On Wed, Aug 6, 2008 at 4:26 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #83 from jean.bruenn@ip-minds.de  2008-08-06 04:26 -------
> Created an attachment (id=17102)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17102&action=view)
> /sys/firmware/acpi/interrupts $ grep . *
>
> someone asked for this on a working kernel without the GPE storm detected
> message - so thats the output on a acer aspire 5520g using linux-2.6.25.8
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

from reading the other posts, with the acer's
they were having issues with function keys, typing was slow
etc...  nothing was pointing to battery issues(like the macbooks),
but I could be wrong.
One interesting post I had read was with the acer;
using polling mode seems to work better than interrupt mode.
So from just looking at the issue:
the acers work better in polling mode,
and the macbook's work better in interrupt mode.
aside from this I've been using acpi_osi=Darwin
for a while now, without having to touch anything with the kernel.
Comment 85 Jean-Michel Bruenn 2008-08-06 11:21:22 UTC
doesn't help me; system isn't booting up with 2.6.26.1 using acpi_osi=Darwin (still the same problem then without) it's hanging after the GPE storm detected disabling .. line
Comment 86 Justin P. Mattock 2008-08-06 12:00:04 UTC
On Wed, Aug 6, 2008 at 11:21 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #85 from jean.bruenn@ip-minds.de  2008-08-06 11:21 -------
> doesn't help me; system isn't booting up with 2.6.26.1 using acpi_osi=Darwin
> (still the same problem then without) it's hanging after the GPE storm
> detected
> disabling .. line
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Hmm.. The macbook pro I have is with the ati chipset.
do you have the same?
try taking the battery out so you can atleast boot up.
(thats what I ended up having to do, as a short workaround)
also make sure sbs.ko is either blacklisted, or not compiled,
due to sbs hanging the system as well.
Comment 87 Jean-Michel Bruenn 2008-08-06 12:15:54 UTC
i think you got me wrong, i have an acer aspire 5520 g, no macbook.

completly nvidia chipset.
Comment 88 Justin P. Mattock 2008-08-06 12:34:28 UTC
On Wed, Aug 6, 2008 at 12:15 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #87 from jean.bruenn@ip-minds.de  2008-08-06 12:15 -------
> i think you got me wrong, i have an acer aspire 5520 g, no macbook.
>
> completly nvidia chipset.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

I'm not sure how to handle an acer, with
the gpe storm detector. i.g. kernel parameters, or
hardware tweaks. you can try and revert the commit if need be
so you can get up and running:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d7a0e1f56472db0825e13f9dd39f0ad79b8c8b3e

or
change
 if (atomic_read(&ec->irq_count) > 5) {
to
 if (atomic_read(&ec->irq_count) > 20) {
in drivers/acpi/ec.c
to prolong the storm from firing off.
Comment 89 Jean-Michel Bruenn 2008-08-06 15:04:09 UTC
Hello,

i tried the second thing - thats not working. I've seen a patch in BUG 11089 and tried it out - that fixes my problem (not booting) but brings up a new problem - Anyway, i can use that kernel now. ;-)
Comment 90 Justin P. Mattock 2008-08-06 15:30:15 UTC
On Wed, Aug 6, 2008 at 3:04 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #89 from jean.bruenn@ip-minds.de  2008-08-06 15:04 -------
> Hello,
>
> i tried the second thing - thats not working. I've seen a patch in BUG 11089
> and tried it out - that fixes my problem (not booting) but brings up a new
> problem - Anyway, i can use that kernel now. ;-)
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Cool,
glad you're up and running.
Comment 91 Matteo Cafasso 2008-08-11 06:12:11 UTC
(In reply to comment #89)
> Hello,
> 
> i tried the second thing - thats not working. I've seen a patch in BUG 11089
> and tried it out - that fixes my problem (not booting) but brings up a new
> problem - Anyway, i can use that kernel now. ;-)
> 

Hello,
same problem on a vaio vgn-fe41s.

if I boot with the AC adapter plugged the kernel freeze, when is freezed if I unplug the AC after a few seconds I read the GPE storm message.

if I boot with the AC adapter unplugged everything works fine, also Fn and volume keys.


I tried the same patch (BUG 11089) and now the situation is:

if I boot with the AC adapter plugged the kernel starts normally, but the mute,vol up, vol down keys don't work, Fn keys still work.

if I boot with the AC adapter unplugged the kernel freeze again, if I try to plug the AC after a few seconds I see the GPE storm message again
Comment 92 Justin P. Mattock 2008-08-11 10:07:38 UTC
On Mon, Aug 11, 2008 at 6:12 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> cafassomatte@libero.it changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |cafassomatte@libero.it
>
>
>
>
> ------- Comment #91 from cafassomatte@libero.it  2008-08-11 06:12 -------
> (In reply to comment #89)
>> Hello,
>>
>> i tried the second thing - thats not working. I've seen a patch in BUG 11089
>> and tried it out - that fixes my problem (not booting) but brings up a new
>> problem - Anyway, i can use that kernel now. ;-)
>>
>
> Hello,
> same problem on a vaio vgn-fe41s.
>
> if I boot with the AC adapter plugged the kernel freeze, when is freezed if I
> unplug the AC after a few seconds I read the GPE storm message.
>
> if I boot with the AC adapter unplugged everything works fine, also Fn and
> volume keys.
>
>
> I tried the same patch (BUG 11089) and now the situation is:
>
> if I boot with the AC adapter plugged the kernel starts normally, but the
> mute,vol up, vol down keys don't work, Fn keys still work.
>
> if I boot with the AC adapter unplugged the kernel freeze again, if I try to
> plug the AC after a few seconds I see the GPE storm message again
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
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>

Over here with a macbook if the GPE storm detector goes
off, the system is still usable.(last I checked even battery info
was still readable). As a work around acpi_osi=Darwin
calms the interrupts down with the battery.(which seems to be the
cause of the GPE storm, for some reason or another). The only problem,
or complaint if you want to call it that, is when using acpi_osi=Darwin
there is no battery info i.g. in a terminal typing "acpi" gives no reading.
but I can run the system without having the GPE detector go off. As for using
sbs.ko with the "Darwin" option, I seem to have a freeze, once the
module is loaded.
I was going to try and see if there was a patch to try or revert
something, just to see
if loading sbs.ko leads to something good.
Comment 93 Andi Kleen 2008-08-17 19:35:06 UTC
Alexey, do you have an update on the status of this bug?

It doesn't look like any regression from 2.6.25 is still tracked here? [if there is  an regression can someone please do a bisect to identify the commit 
that introduced it?]. It sounds more like this was always broken, correct?

Also it seems like lots of people start posting unrelated issues in this bug.
Folks, please open new bugs for new problems, even if they look similar on 
the first look. The bugs can be still merged then.
Comment 94 Justin P. Mattock 2008-08-17 23:05:31 UTC
On Sun, Aug 17, 2008 at 7:35 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> andi-bz@firstfloor.org changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |andi-bz@firstfloor.org
>
>
>
>
> ------- Comment #93 from andi-bz@firstfloor.org  2008-08-17 19:35 -------
> Alexey, do you have an update on the status of this bug?
>
> It doesn't look like any regression from 2.6.25 is still tracked here? [if
> there is  an regression can someone please do a bisect to identify the commit
> that introduced it?]. It sounds more like this was always broken, correct?
>
> Also it seems like lots of people start posting unrelated issues in this bug.
> Folks, please open new bugs for new problems, even if they look similar on
> the first look. The bugs can be still merged then.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Personally I kind of wish the gpe storm detector was
commited earlier than it was, this way the issue
would have been found earlier.(hmm.. maybe this explains why my battery crapped
out after a year).on the macbook that is. Anyways I'm open to any ideas.
Comment 95 Alexey Starikovskiy 2008-08-21 09:03:18 UTC
Created attachment 17355 [details]
make poll switch manual

Don't do degrade to poll mode automatically, as per Pavels' suggestion.
Comment 96 Justin P. Mattock 2008-08-21 09:17:41 UTC
On Thu, Aug 21, 2008 at 9:03 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #95 from astarikovskiy@suse.de  2008-08-21 09:03 -------
> Created an attachment (id=17355)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17355&action=view)
> make poll switch manual
>
> Don't do degrade to poll mode automatically, as per Pavels' suggestion.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

I'll try t out.
Comment 97 Justin P. Mattock 2008-08-21 11:05:09 UTC
On Thu, Aug 21, 2008 at 9:17 AM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Thu, Aug 21, 2008 at 9:03 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>>
>>
>>
>> ------- Comment #95 from astarikovskiy@suse.de  2008-08-21 09:03 -------
>> Created an attachment (id=17355)
>>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17355&action=view)
>> make poll switch manual
>>
>> Don't do degrade to poll mode automatically, as per Pavels' suggestion.
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
>> You are on the CC list for the bug, or are watching someone who is.
>>
>
> I'll try t out.
>
> --
> Justin P. Mattock
>

O.k. I've plugged in the patch
attached are the different various boot params that I had used.
 As for any issues I'm seeing two issues
1)something with irq 23 nobody cared, causing me to be unable to login
(typing a letter results in the letter being written twice i.g. pressing
"z" will result in "zz". (this happens every 10 or so reboots);
this is the original post that I had sent a few weeks ago:
http://groups.google.com/group/fa.linux.kernel/browse_thread/thread/44deab2bc1ffeac3

2) loading uvcvideo without ift-load
i.g. a few days ago I was receiving an error message with
ift-load:(havent upgraded ift-load yet, so the issue
might already be fixed).
 usb 5-1: usbfs: USBDEVFS_CONTROL failed cmd ift-load rqt 64 rq 160
len 1 ret -110
(attached is that just for a record) Anyways On a cold boot uvcvideo
seems to not find
isight.fw, until I start up the system, rmmod uvcvideo and then
modprobe uvcvideo, then reboot.
then everything is good. Now after plugging in this patch, for some
reason I'm having the system freeze, after
removing the module and loading again and rebooting.(strange);

Overall after applying this patch it seems isight_firmware and uvcvideo
need ift-load to work properly.(I just need to do an upgrade with ift-load).
Comment 98 Justin P. Mattock 2008-08-21 11:34:15 UTC
Sorry should of sent the attachments to the Bugreport, I'll do that  
right away

justin P. Mattock



On Aug 21, 2008, at 9:03 AM, bugme-daemon@bugzilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #95 from astarikovskiy@suse.de  2008-08-21 09:03  
> -------
> Created an attachment (id=17355)
> --> (http://bugzilla.kernel.org/attachment.cgi?id=17355&action=view)
> make poll switch manual
>
> Don't do degrade to poll mode automatically, as per Pavels'  
> suggestion.
>
>
> -- 
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
Comment 99 Justin P. Mattock 2008-08-21 12:00:07 UTC
Created attachment 17359 [details]
acpi_osi=Darwin+ec_intr=0

dmesg of applied don't degrade to poll mode patch
with acpi_osi=Darwin and ec_intr=0 as boot param
Comment 100 Justin P. Mattock 2008-08-21 12:01:00 UTC
Created attachment 17360 [details]
acpi_osi=Darwin+ec_intr=non-0

dmesg of applied don't degrade to poll mode patch
with acpi_osi=Darwin and ec_intr=non-0 as boot param
Comment 101 Justin P. Mattock 2008-08-21 12:01:50 UTC
Created attachment 17361 [details]
acpi_osi=Linux+ec_intr=0

dmesg of applied don't degrade to poll mode patch
with acpi_osi=Linux and ec_intr=0 as boot param
Comment 102 Justin P. Mattock 2008-08-21 12:02:43 UTC
Created attachment 17362 [details]
acpi_osi=Linux+ec_intr=non-0

dmesg of applied don't degrade to poll mode patch
with acpi_osi=Linux and ec_intr=non-0 as boot param
Comment 103 Justin P. Mattock 2008-08-21 13:01:28 UTC
Hmmm 
after looking at dmesg I'm noticing:
ec_intr=non-0 is starting in poll mode
if I don't put anything under my boot option
I'll start in interrupt mode.
Comment 104 George Gibbs 2008-08-31 01:47:21 UTC
I'm having some major issues also, system doesn't boot if acpi is on, passing acpi=off or disabling it in the menuconfig allows the system to boot. I've tried a number of 2.6.26 and 2.6.27 rc's, haven't found a fix yet. System is a HP dual core turion with an Nvidia chipset.
Comment 105 Alexey Starikovskiy 2008-08-31 07:31:51 UTC
George,
Your issue is unrelated to this bug, so please either find more appropriate one or create new. Don't post here.
Comment 106 ykzhao 2008-08-31 19:11:22 UTC
Hi, Alexey
   It seems that there is no mode switch from interrput to polling mode after the patch in comment #95 hits the upstream kernel.Right? Is it reasonable? 
   If on some laptops there is no GPE interrupt confirmation and it can't be switched to polling mode, in such case maybe EC can't work well. Maybe some laptops will be affected by this patch.

   Is it appropriate that the mode switch is disabled only for some specific laptops? 
   
   
 
Comment 107 ykzhao 2008-09-02 01:30:14 UTC
Created attachment 17572 [details]
try the debug patch in which EC GPE works in level mode

Do someone have an opportunity to try the debug patch on the 2.6.27-rc4 kernel and see whether the EC GPE storm still exists?

Thanks.
Comment 108 Justin P. Mattock 2008-09-02 08:05:24 UTC
On Tue, Sep 2, 2008 at 4:30 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #107 from yakui.zhao@intel.com  2008-09-02 01:30 -------
> Created an attachment (id=17572)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17572&action=view)
> try the debug patch in which EC GPE works in level mode
>
> Do someone have an opportunity to try the debug patch on the 2.6.27-rc4
> kernel
> and see whether the EC GPE storm still exists?
>
> Thanks.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

I'll give it a try and see.
I'll post the results as soon as I see any.

regards;
Comment 109 Hugh Dickins 2008-09-02 10:22:00 UTC
I've just tried the EDGE_TRIGGERED -> LEVEL_TRIGGERED patch
on 2.6.27-rc5, on Fujitsu-Siemens Esprimo Mobile V5505 laptop.
I still get "ACPI: EC: GPE storm detected, disabling EC GPE"
on both x86_32 and x86_64: so far as I can tell this patch
makes no difference.  I've never noticed anything worse than
the message itself, so my case is not a very important one.
Comment 110 ykzhao 2008-09-02 23:51:34 UTC
Created attachment 17587 [details]
try the debug patch in which the query_pending bit is cleared after processing EC notification event

Will you please try the debug patch on the latest kernel and see whether the number of ACPI interrupt is increased as fast as before?( cd /sys/firmware/acpi/interrupts/ ; grep . *)
In this debug patch the query_pending bit is cleared after EC notification event is processed. At the same time the source about detecting EC storm is disabled.

Thanks.
Comment 111 Alexey Starikovskiy 2008-09-02 23:57:08 UTC
bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
> 
> 
> yakui.zhao@intel.com changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>   Attachment #17572 [details]|0                           |1
>         is obsolete|                            |
> 
> 
> 
> 
> ------- Comment #110 from yakui.zhao@intel.com  2008-09-02 23:51 -------
> Created an attachment (id=17587)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17587&action=view)
> try the debug patch in which the query_pending bit is cleared after
> processing
> EC notification event
Tried that too... irq number is increased about 10x times.
Regards,
Alex.
> 
> Will you please try the debug patch on the latest kernel and see whether the
> number of ACPI interrupt is increased as fast as before?( cd
> /sys/firmware/acpi/interrupts/ ; grep . *)
> In this debug patch the query_pending bit is cleared after EC notification
> event is processed. At the same time the source about detecting EC storm is
> disabled.

> 
> Thanks.
> 
> 
Comment 112 Alexey Starikovskiy 2008-09-03 00:01:55 UTC
bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
> 
> 
> 
> 
> 
> ------- Comment #111 from astarikovskiy@suse.de  2008-09-02 23:57 -------
> bugme-daemon@bugzilla.kernel.org wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>> yakui.zhao@intel.com changed:
>>
>>            What    |Removed                     |Added
>> ----------------------------------------------------------------------------
>>   Attachment #17572 [details]|0                           |1
>>         is obsolete|                            |
>>
>>
>>
>>
>> ------- Comment #110 from yakui.zhao@intel.com  2008-09-02 23:51 -------
>> Created an attachment (id=17587)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17587&action=view)
>>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17587&action=view)
>> try the debug patch in which the query_pending bit is cleared after
>> processing
>> EC notification event
> Tried that too... irq number is increased about 10x times.
Oops. No, this approach does not change anything visible. There was a patch,
where GPE is disabled while query is not services, it helped to reduce number of interrupts
by about 3-5 times. 
>> Will you please try the debug patch on the latest kernel and see whether the
>> number of ACPI interrupt is increased as fast as before?( cd
>> /sys/firmware/acpi/interrupts/ ; grep . *)
>> In this debug patch the query_pending bit is cleared after EC notification
>> event is processed. At the same time the source about detecting EC storm is
>> disabled.
> 
>> Thanks.
>>
>>
> 
> 
Comment 113 ykzhao 2008-09-03 00:09:08 UTC
Hi, Alexey
    Maybe this patch can't change anything visible. But the number of ACPI interrupt won't be increased as fast as before. On some laptops if the Query_pending bit is cleared too early, maybe one EC notification event is processed twice or more.
   Thanks.
Comment 114 Alexey Starikovskiy 2008-09-03 00:50:16 UTC
bugme-daemon@bugzilla.kernel.org wrote:
> ------- Comment #113 from yakui.zhao@intel.com  2008-09-03 00:09 -------
> Hi, Alexey
>     Maybe this patch can't change anything visible. But the number of ACPI
> interrupt won't be increased as fast as before. On some laptops if the
> Query_pending bit is cleared too early, maybe one EC notification event is
> processed twice or more.
>    Thanks.
By "not visible" I mean also that number of interrupts does not change dramatically.
And you are diverging from spec by doing this.
> 
> 
Comment 115 ykzhao 2008-09-03 01:34:00 UTC
There is no definition about how to process the EC notification event in ACPI spec. In the current upstream kernel when GPE interrupt is serviced, the GPE is deferred to be enabled again only after the GPE method is fully evaluated.(Including the notification event). 
Maybe it is also appropriate that the query_pending bit is cleared after EC notification event is processed.(_Qxx method is evaluated).

In fact on my laptop the SCI_EVT bit is always set before the _Qxx method is evaluated. If the patch in comment #110 is applied, one EC notification event is processed three times. If the notification event is related with battery, maybe a lot of EC interrupts are at all meaningless. 
Comment 116 ykzhao 2008-09-03 23:22:41 UTC
Created attachment 17609 [details]
Patch 1/2 : try the debug patch in which the query_pending bit is cleared after processing EC notification event
Comment 117 ykzhao 2008-09-03 23:26:42 UTC
Created attachment 17611 [details]
Patch 2/2: try the debug patch in which EC work mode is simplified

Do someone have opportunity to try the attached two debug patches on the latest kernel(2.6.27-rc4/5) and see whether the system is stable?
   In the patch 1: The query_pending bit will be cleared only after processing the EC notificatin event.
   In the patch 2: The EC will work in polling mode when EC internal register is accessed. The EC GPE handler is only to process the EC notification event.
    
    Thanks.
Comment 118 ykzhao 2008-09-04 03:11:57 UTC
Created attachment 17617 [details]
Add some delay in EC GPE interrupt handler on some bios. (Patch 3)

Maybe the above two patches can't resolve the issue related with EC GPE storm.
Will you please try this patch together with the above two patches on the latest kernel and see whether the system is stable?

Thanks.
Comment 119 Alexey Starikovskiy 2008-09-04 03:34:50 UTC
Ok, this one is really stupid. By adding delay to interrupt service routine, you
halt the system for this time. Please stop if you don't understand what you are doing...
Comment 120 Alexey Starikovskiy 2008-09-04 05:26:23 UTC
Created attachment 17619 [details]
cleaner storm detection, lower lattencies

To keep you busy, here is rewrite of EC transaction mechanism, should allow faster transaction and lower latencies for queries. Also GPE is not disabled completely, so no queries are lost (even fast ones).
Comment 121 Florian Heimgaertner 2008-09-08 14:13:37 UTC
(In reply to comment #120)
> Created an attachment (id=17619) [details]
> cleaner storm detection, lower lattencies

I tested the patch with 2.6.27-rc5 and didn't experience any GPE storm problems on the EeePC so far.
Comment 122 Justin P. Mattock 2008-09-08 16:00:56 UTC
On Mon, Sep 8, 2008 at 2:13 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #121 from florian-bug-kernel@heimgaertner.net  2008-09-08
> 14:13 -------
> (In reply to comment #120)
>> Created an attachment (id=17619)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=17619&action=view)
>  [details]
>> cleaner storm detection, lower lattencies
>
> I tested the patch with 2.6.27-rc5 and didn't experience any GPE storm
> problems
> on the EeePC so far.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

On a macbook or other?
Comment 123 ykzhao 2008-09-08 18:02:34 UTC
Hi, Florian
    Do you have opportunity to try the patches in comment#116,117,118 on the kernel(2.6.27-rc5) and see whether the system can work well?
    thanks.
Comment 124 Justin P. Mattock 2008-09-08 19:17:10 UTC
On Mon, Sep 8, 2008 at 6:02 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #123 from yakui.zhao@intel.com  2008-09-08 18:02 -------
> Hi, Florian
>    Do you have opportunity to try the patches in comment#116,117,118 on the
> kernel(2.6.27-rc5) and see whether the system can work well?
>    thanks.
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

O.k. Ive tried all three of the patches
attached is dmesg of the different boot params I used.
overall I think I'm still seeing the same issue with the battery
(lots of interrupts with acpi_osi=Linux option);
When using this option the only unstable part I see is
with unpluggin the A/C "takes a few seconds to dim, and become bright".
noticed also a new avc's message from SELinux.
Comment 125 ykzhao 2008-09-08 20:21:32 UTC
Hi, Justin
    Thanks for the test.
    There also exist a lot of interrupts even when reading the battery info on most laptops.(Maybe about 100 EC GPE interrupts will be triggered). On your laptop the battery info is obtained by using SMBUS controller based on EC. Even when there is no EC GPE storm, about 1000 EC GPE interrupts will be triggered once reading the battery info.  
   At the same time several EC GPE interrupts will be triggered on your laptops although the EC pulse interrupt is triggered only once. In such case the situation will become more .
   
    Does the system work well although lots of EC interrupts are triggered?
    
    What does it mean that with unpluggin the A/C  it will takes a few seconds to dim, and become bright?
    From the acpidump it seems that the brightness is not controlled by ACPI video driver(there is no _BCL/_BQC_/_BCM object in DSDT table). Maybe it is controlled by BIOS. In such case whether it will take longer time to dim is not controlled by OS.
    Thanks.

    
Comment 126 ykzhao 2008-09-08 20:28:11 UTC
Hi, Justin
    Thanks for the test.
    There also exist a lot of interrupts even when reading the battery info on
most laptops.(Maybe about 100 EC GPE interrupts will be triggered). On your
laptop the battery info is obtained by using SMBUS controller based on EC. Even
when there is no EC GPE storm, about 1000 EC GPE interrupts will be triggered
once reading the battery info.  
   At the same time several EC GPE interrupts will be triggered on your laptops
although the EC pulse interrupt is triggered only once. In such case the
situation will become worse. Of course my workaround patch can reduce the number of EC GPE interrupts.

    Does the system work well although lots of EC interrupts are triggered?

    What does it mean that with unpluggin the A/C  it will takes a few seconds
to dim, and become bright?
    From the acpidump it seems that the brightness is not controlled by ACPI
video driver(there is no _BCL/_BQC_/_BCM object in DSDT table). Maybe it is
controlled by BIOS. In such case whether it will take longer time to dim is not
controlled by OS.
    Thanks.
Comment 127 Justin P. Mattock 2008-09-08 20:30:22 UTC
On Mon, Sep 8, 2008 at 8:21 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #125 from yakui.zhao@intel.com  2008-09-08 20:21 -------
> Hi, Justin
>    Thanks for the test.
>    There also exist a lot of interrupts even when reading the battery info on
> most laptops.(Maybe about 100 EC GPE interrupts will be triggered). On your
> laptop the battery info is obtained by using SMBUS controller based on EC.
> Even
> when there is no EC GPE storm, about 1000 EC GPE interrupts will be triggered
> once reading the battery info.
>   At the same time several EC GPE interrupts will be triggered on your
>   laptops
> although the EC pulse interrupt is triggered only once. In such case the
> situation will become more .
>
>    Does the system work well although lots of EC interrupts are triggered?
>
>    What does it mean that with unpluggin the A/C  it will takes a few seconds
> to dim, and become bright?
>    From the acpidump it seems that the brightness is not controlled by ACPI
> video driver(there is no _BCL/_BQC_/_BCM object in DSDT table). Maybe it is
> controlled by BIOS. In such case whether it will take longer time to dim is
> not
> controlled by OS.
>    Thanks.
>
>
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>

Yes the system is usable in the case of a gpe storm etc..
as for the dimming part when using a macbook I use an app
called pommed, when unplugging the A/C adapter to go on "battery",
pommed will automatically dim the backlight. when the gpe storm is
triggered this is when I will se a longer pause when dimming than normally.
(thats all); in any case I don't think pommed is as big of an issue
as for the other posts I was reading. In my case I think I need to look at
the dsdt and see if I can find anything in there that might be of use.
Comment 128 ykzhao 2008-09-08 20:54:39 UTC
Hi, Justin
    Is the system stable after applying the patches in comment #116,117,118?
    Understand what you said. When unplugging the A/C adapter, maybe the user space application called pommed will check the status of the battery and change the brightness of backlight. In such case it will take more time to read the info of the battery. Can you confirm whether the battery info is obtained again after unplugging AC adapter?( by checking whether the number of EC GPE interrupts are increased very fast. cd /sys/firmware/acpi/interrupts; grep . *)
    Maybe it will be very quick if the pommed application changes the brightness of backlight only according to the status of AC adapter.
   Thanks.
Comment 129 Justin P. Mattock 2008-09-08 21:45:00 UTC
Oh shit,
I just did
Git-reset --hard origin
Git-pull
I'll have to do that again, to look at the
Interrupts. Although I did glance
And saw the interrupt was at 1913
Didn't see how many per second or minute(I'll get back to you with  
that);
Now,  when looking at my other Linux box(dell inspiron 1200),even though
Hardware is different, Im seeing 1
Interrupt coming from gpe1D and gpe1C should this be similar with
A MacBook? Or is this something
With sbs.ko sbshc.ko? That is loading
With the dell box.



justin P. Mattock



On Sep 8, 2008, at 8:54 PM, bugme-daemon@bugzilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #128 from yakui.zhao@intel.com  2008-09-08 20:54  
> -------
> Hi, Justin
>    Is the system stable after applying the patches in comment  
> #116,117,118?
>    Understand what you said. When unplugging the A/C adapter, maybe  
> the user
> space application called pommed will check the status of the battery  
> and change
> the brightness of backlight. In such case it will take more time to  
> read the
> info of the battery. Can you confirm whether the battery info is  
> obtained again
> after unplugging AC adapter?( by checking whether the number of EC GPE
> interrupts are increased very fast. cd /sys/firmware/acpi/ 
> interrupts; grep . *)
>    Maybe it will be very quick if the pommed application changes the
> brightness of backlight only according to the status of AC adapter.
>   Thanks.
>
>
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Comment 130 ykzhao 2008-09-08 22:34:02 UTC
    This is related with sbs.ko. In fact on the macbootk laptop it is unnecessary to load SBS driver again(sbs.ko, sbshc.ko). From the acpidump it seems that the battery info is obtained by using the SMbus controller(this is realized in AML code). If the sbs driver is loaded, maybe the sbs driver will register another battery device, which is the same as the device registered by battery driver.
   
    Please don't load the sbs driver on the macbook laptop.
Comment 131 Justin P. Mattock 2008-09-09 00:39:27 UTC
On Mon, Sep 8, 2008 at 10:34 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #130 from yakui.zhao@intel.com  2008-09-08 22:34 -------
>    This is related with sbs.ko. In fact on the macbootk laptop it is
> unnecessary to load SBS driver again(sbs.ko, sbshc.ko). From the acpidump it
> seems that the battery info is obtained by using the SMbus controller(this is
> realized in AML code). If the sbs driver is loaded, maybe the sbs driver will
> register another battery device, which is the same as the device registered
> by
> battery driver.
>
>    Please don't load the sbs driver on the macbook laptop.
>
>
> --
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Thanks for the info on sbs.ko,(no wonder it has a hard time loading);
Anyways I went back and plugged you're patch in after updating
git., attached you will find:
/sys/firmware/acpi/interrupts/grep . *
four types with the different boot params etc..
From looking at the info the interrupt number could be high
when using the patch due to the gpe storm going off, as
opposed to the gpe storm not going off in that mode(at least thats what
I can see from here);
As for watching the interrupt, using:
watch /sys/firmware/acpi/interrupts/grep . *
gave me a nice perspective,  when under
acpi_osi=Linux option the number jumps 2X's by 100 +-
and nothing for around 30 +- seconds, and then jumps up
after a short break. I should try and post you the results
of grep .* when the gpe storm is detected and when it isn't
Comment 132 Alexey Starikovskiy 2008-09-09 01:56:23 UTC
Justin,
Could you please also test the patch from comment #120?
Comment 133 Pascal Terjan 2008-09-09 03:14:28 UTC
On a NEC Versa M370, 116+117 did not help, with 120 it looks fine. I did not try 118 yet.
Comment 134 Justin P. Mattock 2008-09-09 06:53:17 UTC
On Tue, Sep 9, 2008 at 3:14 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #133 from pterjan@gmail.com  2008-09-09 03:14 -------
> On a NEC Versa M370, 116+117 did not help, with 120 it looks fine. I did not
> try 118 yet.
>
>
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Yeah I can give it a try.
Ill undo the three patches and then try #120 then after that
I can try #118
Comment 135 ykzhao 2008-09-09 08:23:47 UTC
(In reply to comment #133)
> On a NEC Versa M370, 116+117 did not help, with 120 it looks fine. I did not
> try 118 yet.

thanks for the test. It seems that the system with the patch in comment #120 can work well.
It seems that there also exists the issue of EC GPE interrupt storm on your system. 
Will you please try the patches in comment#116,117,118? on the latest kernel of 2.6.27-rc5?( If the patch in comment#118 is not used, it can't workaround the EC GPE storm).
Thanks.
Comment 136 Pascal Terjan 2008-09-09 09:01:09 UTC
Sorry for being so long, it seems to be fixed with either 116+117+118 or 120 on 2.6.27-rc5-git7 on the NEC Versa M370.
Comment 137 Justin P. Mattock 2008-09-09 09:46:38 UTC
On Tue, Sep 9, 2008 at 9:01 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #136 from pterjan@gmail.com  2008-09-09 09:01 -------
> Sorry for being so long, it seems to be fixed with either 116+117+118 or 120
> on
> 2.6.27-rc5-git7 on the NEC Versa M370.
>
>
> --
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yesterday I used 116+117+118 on 2.6.27-rc5
now I'll plug in 120 and post results of /sys/firmware/acpi/interrupts/grep . *
and dmesg. is there another place in the kernel where I should look and
possibly record the data, so It help's you guys out?
Comment 138 Justin P. Mattock 2008-09-09 11:30:19 UTC
On Tue, Sep 9, 2008 at 9:46 AM, Justin Mattock <justinmattock@gmail.com> wrote:
> On Tue, Sep 9, 2008 at 9:01 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
>> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>>
>>
>>
>>
>>
>> ------- Comment #136 from pterjan@gmail.com  2008-09-09 09:01 -------
>> Sorry for being so long, it seems to be fixed with either 116+117+118 or 120
>> on
>> 2.6.27-rc5-git7 on the NEC Versa M370.
>>
>>
>> --
>> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
>> ------- You are receiving this mail because: -------
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>>
>
> yesterday I used 116+117+118 on 2.6.27-rc5
> now I'll plug in 120 and post results of /sys/firmware/acpi/interrupts/grep .
> *
> and dmesg. is there another place in the kernel where I should look and
> possibly record the data, so It help's you guys out?
>
> --
> Justin P. Mattock
>

O.k. took me a bit longer
to plug this patch in #120(forgot to put "int" in a line);
but I manage to do so.
attahced is dmesg and,
/sys/firmware/acpi/interrupts/grep . *
Comment 139 Robert Epprecht 2008-09-18 23:19:11 UTC
Alexey was so friendly to send me ec.c patched with the patch from #120. Thanks a lot. I have tested it on Asus EeePC model 701. The reaction on the Eee's special keys got much quicker and a *lot* more stable. The system is very usable with this version now. (It was very unstable before.)

If I insist *really* hard I am still able to block reaction to these special keys by repeatedly sending a lot of these key events (by autorepeat). I cannot find any error messages after that event. It looks to me as if the hardware might do that on his own and the kernel might not even see it. Is there anything I can do to debug the situation?

Regarding our second problem with ec.c, the bogus thermal shutdowns during boot process (showing on some EeePC models) the version you sent me seems rock stable. This is probably due to the change introduced by commit http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9d699ed92a459cb408e2577e8bbeabc8ec3989e1

Robert Epprecht
Comment 140 Robert Epprecht 2008-09-19 02:53:54 UTC
Additional info regarding comment #139

| Regarding our second problem with ec.c, the bogus thermal shutdowns during boot
| process (showing on some EeePC models) the version you sent me seems rock
| stable. This is probably due to the change introduced by commit
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9d699ed92a459cb408e2577e8bbeabc8ec3989e1

Sorry, forgot to mention that i had found this using git bisect. 
The commit does not talk about thermal shutdown problems, but it *fixes* them (on the Asus Eee).

Using git bisect I also found the point where this problems with bogus thermal shutdowns of Asus EeePCs started. First broken version was after the following change
http://git.kernel.org/?p=linux/kernel/git/ak/linux-acpi-2.6.git;a=commitdiff;h=1b7fc5aae8867046f8d3d45808309d5b7f2e036a

Robert Epprecht
Comment 141 Justin P. Mattock 2008-09-19 09:48:37 UTC
On Fri, Sep 19, 2008 at 2:53 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #140 from epprecht@solnet.ch  2008-09-19 02:53 -------
> Additional info regarding comment #139
>
> | Regarding our second problem with ec.c, the bogus thermal shutdowns during
> boot
> | process (showing on some EeePC models) the version you sent me seems rock
> | stable. This is probably due to the change introduced by commit
> |
>
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9d699ed92a459cb408e2577e8bbeabc8ec3989e1
>
> Sorry, forgot to mention that i had found this using git bisect.
> The commit does not talk about thermal shutdown problems, but it *fixes* them
> (on the Asus Eee).
>
> Using git bisect I also found the point where this problems with bogus
> thermal
> shutdowns of Asus EeePCs started. First broken version was after the
> following
> change
>
> http://git.kernel.org/?p=linux/kernel/git/ak/linux-acpi-2.6.git;a=commitdiff;h=1b7fc5aae8867046f8d3d45808309d5b7f2e036a
>
> Robert Epprecht
>
>
> --
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Glad to see everything is working for you.
Overall I think this is an intricate issue due to
different types of machines. with using a macbook
there was no keyboard issues,  or thermal shutdowns
(at least from what I can see), just something with the
battery.
Comment 142 Len Brown 2008-09-25 12:12:37 UTC
Created attachment 18044 [details]
patch vs 2.6.27-rc7

this version of Alexey's patch of comment #120 has been
checked into the acpi test tree.  If it doesn't work
for you, please speak up.
Comment 143 Rafael J. Wysocki 2008-10-01 13:10:14 UTC
*** Bug 11679 has been marked as a duplicate of this bug. ***
Comment 144 Justin P. Mattock 2008-10-01 16:14:37 UTC
On Wed, Oct 1, 2008 at 1:10 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #143 from rjw@sisk.pl  2008-10-01 13:10 -------
> *** Bug 11679 has been marked as a duplicate of this bug. ***
>
>
> --
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I was going to say something, but then was carried away
with another task, and totally forgot.
Comment 145 Len Brown 2008-10-16 22:23:46 UTC
> I was going to say something, but then was carried away
> with another task, and totally forgot.

does the patch help, or does it not help?
Comment 146 Justin P. Mattock 2008-10-17 00:14:45 UTC
On Thu, 2008-10-16 at 22:23 -0700, bugme-daemon@bugzilla.kernel.org
wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
> 
> 
> 
> 
> 
> ------- Comment #145 from len.brown@intel.com  2008-10-16 22:23 -------
> > I was going to say something, but then was carried away
> > with another task, and totally forgot.
> 
> does the patch help, or does it not help?
> 
> 

O.K. I applied the patch for 2.6.27
attached is dmesg of: withpatch and withoutpatch
applied
Comment 147 Len Brown 2008-10-17 11:05:38 UTC
> attached is dmesg of: withpatch and without patch applied

attached to what?  e-mail to bugzilla drops attachments.
Please go here:
http://bugzilla.kernel.org/attachment.cgi?bugid=10724&action=enter
and upload the files.

But don't keep me in suspense,
does the patch help, or does it not help?
Comment 148 Justin P. Mattock 2008-10-17 12:36:55 UTC
Alright; I'll upload the attachments later(in the process of writting  
an SELinux policy) as for the system itself I think you nailed it,  
usually I
Would see the gps storm fire of within
Minutes this time nothing, as for any breakage the touchpad is non  
responsive(not sure if it was from the patch or an update through  
apt); I am seeing something with the Atheros module, not sure if  
related. But  overall I think this does it. As soon as I finish with  
the policy I'll let the system sit running to see if anything happens.
  Let me know what info you need and I'll Try and post it to you as  
soon as possible, as for applying the patch
There was a / missing in a comment
And a + to a thread, but it was late when I plugged it in could of  
been me

justin P. Mattock



On Oct 17, 2008, at 11:05 AM, bugme-daemon@bugzilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #147 from len.brown@intel.com  2008-10-17 11:05  
> -------
>> attached is dmesg of: withpatch and without patch applied
>
> attached to what?  e-mail to bugzilla drops attachments.
> Please go here:
> http://bugzilla.kernel.org/attachment.cgi?bugid=10724&action=enter
> and upload the files.
>
> But don't keep me in suspense,
> does the patch help, or does it not help?
>
>
> -- 
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
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Comment 149 Justin P. Mattock 2008-10-17 16:55:26 UTC
On Fri, Oct 17, 2008 at 2:30 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> len.brown@intel.com changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>          Component|Platform-Drivers            |EC
>
>
>
>
> --
> Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
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after running the system all day and recompiling
refpolicy atleast 100 times, I still am not receiving
a gpe storm. there was a moment in of which I thought
it was triggered, but no.
this was what I noticed with the patch:

                                      * OpReg are installed */

after looking at the patch this was the only problem I can see
(the other issue was my imagination);
I'll try and post dmesg ASAP for the record.
Comment 150 Justin P. Mattock 2008-10-17 17:20:53 UTC
Created attachment 18358 [details]
dmesg of 2.6.27-rc7 patch applied to a macbook pro

This patch seems pretty good, what are the results of
other laptop manufacturers
Comment 151 Timo Tretter 2008-10-18 03:19:24 UTC
this fix break the fix of bug 9823 (http://bugzilla.kernel.org/show_bug.cgi?id=9823) on MSI PR200/System76 daru2

these notebooks needs the ec poll mode but it's started in interrupt mode.
is there a way to enable poll mode via boot option? 
Comment 152 Justin P. Mattock 2008-10-18 06:46:22 UTC
On Sat, Oct 18, 2008 at 3:19 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> timo.tretter@student.hpi.uni-potsdam.de changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |timo.tretter@student.hpi.uni
>                   |                            |-potsdam.de
>
>
>
>
> ------- Comment #151 from timo.tretter@student.hpi.uni-potsdam.de  2008-10-18
> 03:19 -------
> this fix break the fix of bug 9823
> (http://bugzilla.kernel.org/show_bug.cgi?id=9823) on MSI PR200/System76 daru2
>
> these notebooks needs the ec poll mode but it's started in interrupt mode.
> is there a way to enable poll mode via boot option?
>
>
> --
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I can't remember which one, but when I applied one of the patches
before the 2.6.27 patch, my system was booting into polling mode,
but this was the effects of a mac, not sure how other hardware
reacts. As for a boot param I think there is one, or it might of been
one of the patches i.g. "ec_intr=1"
Comment 153 Alexey Starikovskiy 2008-10-18 07:26:00 UTC
(In reply to comment #151)
> this fix break the fix of bug 9823
> (http://bugzilla.kernel.org/show_bug.cgi?id=9823) on MSI PR200/System76 daru2
If this is the case, please re-open bug #9823. Please provide acpidump and dmesg
outputs with DEBUG enabled in drivers/acpi/ec.c.
Comment 154 Justin P. Mattock 2008-10-18 14:41:21 UTC
On Sat, Oct 18, 2008 at 7:26 AM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
>
>
>
> ------- Comment #153 from astarikovskiy@suse.de  2008-10-18 07:26 -------
> (In reply to comment #151)
>> this fix break the fix of bug 9823
>> (http://bugzilla.kernel.org/show_bug.cgi?id=9823) on MSI PR200/System76
>> daru2
> If this is the case, please re-open bug #9823. Please provide acpidump and
> dmesg
> outputs with DEBUG enabled in drivers/acpi/ec.c.
>
>
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Im sorry my bad; there nothing wrong
with the 2.6.27 patch(* OpReg are installed */)
I needed to look up a line....
and take a break....
Comment 155 Len Brown 2008-10-24 23:23:30 UTC
shipped in linux-2.6.28-rc1
closed

commit 7c6db4e050601f359081fde418ca6dc4fc2d0011
Author: Alexey Starikovskiy <astarikovskiy@suse.de>
Date:   Thu Sep 25 21:00:31 2008 +0400

    ACPI: EC: do transaction from interrupt context
Comment 156 Justin P. Mattock 2008-10-25 17:27:42 UTC
On Fri, Oct 24, 2008 at 11:23 PM,  <bugme-daemon@bugzilla.kernel.org> wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10724
>
>
> len.brown@intel.com changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>             Status|RESOLVED                    |CLOSED
>
>
>
>
> ------- Comment #155 from len.brown@intel.com  2008-10-24 23:23 -------
> shipped in linux-2.6.28-rc1
> closed
>
> commit 7c6db4e050601f359081fde418ca6dc4fc2d0011
> Author: Alexey Starikovskiy <astarikovskiy@suse.de>
> Date:   Thu Sep 25 21:00:31 2008 +0400
>
>    ACPI: EC: do transaction from interrupt context
>
>
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O.k. reverted the patch, and pulled the latest git
I'll let you know if I see anything.

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