Re: 3.5-rcX: wakeup after s2ram doesn't work after a longer sleeptime

From: Toralf Förster
Date: Mon Jul 16 2012 - 10:05:09 EST

On 07/15/2012 10:21 PM, Rafael J. Wysocki wrote:
> On Sunday, July 15, 2012, Toralf Förster wrote:
>> My ThinkPad T400 (Gentoo Linux booted from an external USB drive) does
>> not wake up after s2ram, if the sleep time was longer than about 1 hour.
>> I'm unsure whether this started after 3.5-rc5, at least with -rc7 I
>> observed this now several times. Unfortunately it is not 100% reproduceable.
>> 3.4.x works flawlessly.
>> Any idea whether a particular commit could be the culprit ? (Bisecting
>> such an issue is a night mare)
> Please check
> commit 5baefd6d84163443215f4a99f6a20f054ef11236
> Author: John Stultz <johnstul@xxxxxxxxxx>
> Date: Tue Jul 10 18:43:25 2012 -0400
> hrtimer: Update hrtimer base offsets each hrtimer_interrupt
> Thanks,
> Rafael

reverting doesn#t help.

I can r2ram several times in a row w/o problems, if the sleep time as
within seconds.
After 20 min however the system doesn't came back (the internal hard
disk spins up, but the sleep-state-led is still on).

Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

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