Bug 5350 - oops in ohci_hcd with kernel 2.6.12 - 2.6.14-rc3-git2
Summary: oops in ohci_hcd with kernel 2.6.12 - 2.6.14-rc3-git2
Alias: None
Product: Drivers
Classification: Unclassified
Component: USB (show other bugs)
Hardware: i386 Linux
: P2 high
Assignee: David Brownell
Depends on:
Blocks: USB
  Show dependency tree
Reported: 2005-10-02 15:51 UTC by Frieder B
Modified: 2005-10-06 12:29 UTC (History)
1 user (show)

See Also:
Kernel Version: 2.6.14-rc3-git2
Tree: Mainline
Regression: ---

dmesg-2.6.14-rc3-git2-oops (12.15 KB, text/plain)
2005-10-02 15:51 UTC, Frieder B
dmesg-2.6.14-rc2-mm2-oops (15.31 KB, text/plain)
2005-10-05 13:07 UTC, Frieder B
kernel-config-2.6.14-rc2-mm2 (36.88 KB, text/plain)
2005-10-05 13:12 UTC, Frieder B

Description Frieder B 2005-10-02 15:51:05 UTC
Most recent kernel where this bug did not occur: ---

Distribution: Gentoo Base System version 1.6.13

Hardware Environment: Asus A7N266-C with nforce chipset, AMD Athlon(TM) XP 2000+

Software Environment:
System uname: 2.6.14-rc3-git2 i686
sys-devel/autoconf:  2.59-r6, 2.13
sys-devel/automake:  1.7.9-r1, 1.8.5-r3, 1.5, 1.4_p6, 1.6.3, 1.9.6
sys-devel/libtool:   1.5.18-r1
virtual/os-headers:  2.6.11-r2

Problem Description:
since kernel version ~2.6.12 I occasionally get oopes with the ohci_hcd modul
during boot.

snippet of kernelmessage (complete dmesg attached -->dmesg-2.6.14-rc3-git2-oops)
Call Trace:
  [<d0c067db>] ohci_rh_resume+0xb/0x20 [ohci_hcd]
  [<c012ab8e>] worker_thread+0x1ae/0x280
  [<d0c067d0>] ohci_rh_resume+0x0/0x20 [ohci_hcd]
  [<c01178d0>] default_wake_function+0x0/0x10
  [<c01178d0>] default_wake_function+0x0/0x10
  [<c012a9e0>] worker_thread+0x0/0x280
  [<c012ec35>] kthread+0x95/0xd0
  [<c012eba0>] kthread+0x0/0xd0
  [<c0101375>] kernel_thread_helper+0x5/0x10

I need to reboot 5 times or more until the machine works.

Steps to reproduce: ---

so do you need any other informations?

Comment 1 Frieder B 2005-10-02 15:51:42 UTC
Created attachment 6213 [details]
Comment 2 David Brownell 2005-10-02 21:30:33 UTC
There are a bunch of PM related patches pending for 2.6.15,
and so far as I know they're all in the current MM patches.

Given that some usbcore changes (sometime after 2.6.11)
broke quite a few other things, I'll want to see results
of testing this with all those bugfixes.
Comment 3 Frieder B 2005-10-04 14:55:30 UTC
Comment 4 Greg Kroah-Hartman 2005-10-05 10:35:41 UTC
Please let us know, and then change the status of the bug.
Comment 5 Frieder B 2005-10-05 13:07:07 UTC
Created attachment 6234 [details]

it also fails with 2.6.14-rc2-mm2
Comment 6 Frieder B 2005-10-05 13:12:58 UTC
Created attachment 6235 [details]
Comment 7 David Brownell 2005-10-05 14:11:19 UTC
Actually it turns out that the relevant patches are NOT in 
the 2.6.14-rc2-mm2 tree.  They are however in 
Comment 8 Frieder B 2005-10-06 12:29:45 UTC
with this patches applied it still works after 15 reboots
so these patches fix it

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