From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Michel Lespinasse <walken@zoy.org>
Subject: Re: Asus P1-AH2 won't suspend (regression)
Date: Fri, 4 Jan 2008 17:56:33 +0100
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On Friday, 4 of January 2008, Michel Lespinasse wrote:
> Hi,
> 
> I'm unable to get an asus P1-AH2 system to suspend (to ram). The issue
> occurs at suspend time: the system displays "Suspending console(s)" but
> does not turn off the screen and system fans.
> 
> I used to have suspend/resume working fine on this system using a
> 2.6.20.x kernel. Yes, I know this is a huge range... suspend has
> been broken on this sytem since at least 2.6.22.x
> 
> I tried running 2.6.24-rc6 with verbose PM debugging and suspend/resume
> event tracing. Still no luck, the last message I see is still
> "Suspending console(s)". The information from event tracing seems to be:
>   Magic number: 8:471:282
>   hash matches device tty19
> 
> I'm not sure if that's any help. Is there any way to help figure out the
> problem besides a git bisect ? would extra event traces during/after the
> suspend console stage help ???
> 
> This is with an x86_64 kernel. .config file can be found at
> http://lespinasse.org/config-2.6.24-rc6 if that's any help.

Please try the patch series from:
http://www.sisk.pl/kernel/hibernation_and_suspend/2.6.24-rc6/patches/
on top of 2.6.24-rc6 (patches 28-34 are relevant in particular) and see if that
helps.

Thanks,
Rafael
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