Bug 31152 - cannot resume Toshiba Satellite U505
cannot resume Toshiba Satellite U505
Product: ACPI
Classification: Unclassified
Component: Power-Sleep-Wake
All Linux
: P1 normal
Assigned To: acpi_power-sleep-wake
Depends on:
  Show dependency treegraph
Reported: 2011-03-15 17:16 UTC by Johannes Berg
Modified: 2012-11-28 12:56 UTC (History)
2 users (show)

See Also:
Kernel Version: 2.6.36, 2.6.38-rc8, 3.2, 3.3-rc1, 3.5.4
Tree: Mainline
Regression: No


Description Johannes Berg 2011-03-15 17:16:50 UTC
I get all the way to do_suspend_lowlevel(), and then the system hangs.

acpi_old_suspend_ordering doesn't change anything.

FWIW, Win7 (which I still have installed for no particular reason) works fine.
Comment 1 Zhang Rui 2012-01-18 03:21:20 UTC
It's great that the kernel bugzilla is back.

Can you please verify if the problem still exists in the latest upstream kernel?
Comment 2 Johannes Berg 2012-01-18 08:22:17 UTC
On 3.2.0-wl-66272-gb111b40-dirty (3.2 + wireless bits) the system can suspend, but not resume.
Comment 3 Johannes Berg 2012-01-20 17:13:45 UTC
Ok, actually, the system suspends using pm-suspend, but doesn't suspend using "echo mem > /sys/power/state", but doesn't wake up even with pm-suspend.
Comment 4 Zhang Rui 2012-11-28 03:06:03 UTC
(In reply to comment #3)
> Ok, actually, the system suspends using pm-suspend, but doesn't suspend using
> "echo mem > /sys/power/state"

what do you mean by "doesn't suspend"?
does this command fails with an error message? or does the system just hangs?
Comment 5 Johannes Berg 2012-11-28 12:55:56 UTC
With 3.5.4, I can do "echo mem>/sys/power/state" and the system will suspend, but never resume. Before, it would get stuck (hang) somewhere during suspend, not it gets stuck & hangs somewhere in resume.
Comment 6 Johannes Berg 2012-11-28 12:56:37 UTC
Err, no, wait ... it does resume, graphics just doesn't come back. I guess that's a separate bug.

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