linux-kernel - Re: Suspend/resume works in 2.6.29-0.19.rc0.git9.fc11.i686, but fails in later versions

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Date:	Fri, 16 Jan 2009 09:53:26 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	MartinG <gronslet@...il.com>
Cc:	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Suspend/resume works in 2.6.29-0.19.rc0.git9.fc11.i686, but fails in later versions


> Hi, I run Fedora Rawhide on a Dell Latitude X1 and want to report on
> failing suspend/resume on the latest kernel snapshots.
> Smolt is currently not working in Rawhide, but an old profile of my
> laptop can be found in [1]
> 
> In kernel-2.6.29-0.19.rc0.git9.fc11.i686 I have suspend(to ram)/resume
> working, but in later versions, I am not able to get my laptop to
> resume. I have tested these later kernels:
> kernel-2.6.29-0.24.rc0.git13.fc11.i686
> kernel-2.6.29-0.25.rc0.git14.fc11.i686
> kernel-2.6.29-0.28.rc1.fc11.i686
> kernel-2.6.29-0.31.rc1.git2.fc11.i686
> kernel-2.6.29-0.35.rc1.git4.fc11.i686
> 
> None of them seems to let me wake up from suspend to ram.
> I have used normal kwin (no desktop effects, no compiz).
> When I open the lid, my wlan led lights up, but there is no hdd
> activity, and the keyboard is dead.
> 
> Here's dmesg of the working kernel http://fpaste.org/paste/1459
> 
> Please let me know how I can test further and what logs to provide.

Can you boot non-working kernel, and try "cd /sys/devices/system/cpu;
echo 0 > cpu1/online; echo 1 > cpu1/online" ?

If it breaks, try just doing "echo 0 > online" followed by s2ram. That
should work.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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