linux-kernel - Re: Suspend to RAM reboots on resume with S3

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Message-Id: <200803161341.06364.rjw@sisk.pl>
Date:	Sun, 16 Mar 2008 13:41:05 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Sitsofe Wheeler <sitsofe@...oo.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Suspend to RAM reboots on resume with S3

On Sunday, 16 of March 2008, Sitsofe Wheeler wrote:
> Hello,

Hi,

> I have a desktop on which suspend to RAM has always fails to resume when 
> the BIOS is set to use S3 - when attempting to resume the video BIOS 
> posts itself, warms the monitor up, powersaves it, posts itself again and 
> goes to the regular BIOS post indicating a reboot. Hibernation started 
> working many kernels ago. Windows 98 seems able to do suspend to RAM on 
> S3 and Linux will suspend to RAM if S1 is set in the BIOS. The latest 
> test was done with 2.6.25-rc5 (git tree pulled this morning) and the 
> result is the same in kernels going back to 2.6.17 . Using pm_trace gives 
> a magic number that doesn't match anything:
> [    2.466686] Using IPI Shortcut mode
> [    2.467205]   Magic number: 0:691:51
> [    2.468707] Freeing unused kernel memory: 320k freed
> 
> (Originally filed on 
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/86099 ).

I've created the Bugzilla entry at
http://bugzilla.kernel.org/show_bug.cgi?id=10260
for this problem.  Please add yourself to the CC list in there.

Thanks,
Rafael
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