linux-kernel - Re: Regression in 2.6.25-rc3: s2ram segfaults before suspending

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Date:	Mon, 3 Mar 2008 22:21:53 +0100
From:	"Klaus S. Madsen" <ksm@...rnemadsen.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Suspend-devel list <suspend-devel@...ts.sourceforge.net>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: Regression in 2.6.25-rc3: s2ram segfaults before suspending

On Mon, Mar 03, 2008 at 22:06:47 +0100, Pavel Machek wrote:
> > > But I'm a bit puzzled by the fact that I'm aparently the only one how
> > > have encountered the problem? Maybe it's only a problem if one also uses
> > > PAE? (Thats just a wild guess to explain why I'm the only one seeing
> > > this).
> > 
> > I do not have NX capable CPU in machine using for suspend
> > testing. ... and you are using 32-bit userspace on 64-bit kernel,
> > right?
> 
> Sorry, I meant "32-bit userspace on 32-bit kernel"... but that on
> 64-bit capable cpu.
Yes. With 4 GB of RAM, so I use PAE, which is also required for NX. Just
to be sure, I disabled PAE, and sure enough, the problem disappeared.
 
I'll double that the commit I fingered actually caused the problem, but
I will not have time for this before tomorrw evening. 

Just to be sure: If I want to checkout the revision, just before the bad
commit I can do something like:

git checkout commit-id~1

Right? 

Thanks for spending time on this.

-- 
Kind regards
	Klaus S. Madsen
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