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SubjectRe: Regression in 2.6.28-rc and 2.6.27-stable - hibernate related
Hi Pavel

On Fri, Dec 12, 2008 at 7:58 PM, Pavel Machek <pavel@suse.cz> wrote:
> On Thu 2008-11-27 22:54:14, Fabio Comolli wrote:
>> Hi
>>
>> On Thu, Nov 27, 2008 at 4:17 PM, Fabio Comolli <fabio.comolli@gmail.com> wrote:
>> > Hi
>> >
>> > On Thu, Nov 27, 2008 at 12:02 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
>> >> Actually, yes, Fabio, you can try to revert all of the "ACPI: EC:" commits
>> >> applied after 2.6.27.4 and retest.
>> >
>> > Will do tonight. I see that there are some other "ACPI: EC:" commits
>> > in 2.6.27.6 and 2.6.27.7.
>> >
>> > I'l just compile the ec.c file from 2.6.27.4 in 2.6.27.7 and test if
>> > the three commits introduced in 2.6.27.5 wouldn't revert cleanly,
>> >
>> > By the way, my HD passed a "smartctl -t long" test without any problems.
>> >
>>
>> Reproduced with 2.6.27.7 with ec.c taken from 2.6.27.4 - after three
>> minutes of freeze the laptop came back to normal as nothing had
>> happened.
>
> Is it possible to turn on printk timing, or something?

It's already enabled.

> If it is
> desktop machine, is there chance to pull some data out of the machine
> during resume (serial console, debug leds?).

It's a laptop without any serial ports unfortunately.

>
> Could you use Linus' RTC debugging hack, then hard reset machine after
> 1.5minute to see where it spends most of the time?

I'm almost done with a third bisection session (0 commit to test). If
I don't get any useful results I will try it.

> Pavel
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
>

Regards,
Fabio


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