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

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Message-ID: <47CDC85D.6080004@zytor.com>
Date:	Tue, 04 Mar 2008 14:08:29 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Klaus S. Madsen" <ksm@...rnemadsen.org>
CC:	Ingo Molnar <mingo@...e.hu>, Pavel Machek <pavel@....cz>,
	Suspend-devel list <suspend-devel@...ts.sourceforge.net>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: Regression in 2.6.25-rc3: s2ram segfaults before suspending

Klaus S. Madsen 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).
>> PAE activates NX on 32-bit. So we probably had an NX regression that got 
>> fixed by the side-effects of one of the unifications. Does it start 
>> working if you disable NX via the noexec=off boot option?
> If I boot with noexec=off, s2ram starts working again.

As one can expect.

	-hpa
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