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

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Date:	Mon, 03 Mar 2008 09:10:35 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Pavel Machek <pavel@....cz>
CC:	"Klaus S. Madsen" <ksm@...rnemadsen.org>,
	Suspend-devel list <suspend-devel@...ts.sourceforge.net>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Regression in 2.6.25-rc3: s2ram segfaults before suspending

Pavel Machek wrote:
>>
>> The only thing I don't understand is why this is suddenly a problem with
>> 2.6.25, and not with 2.6.24? Is there a bug in 2.6.24 and previously
>> that allows real-mode execution of non-executable pages?
> 
> It is strange indeed... Should it be traced as an regression?
> 									Pavel

I'd like to understand what the heck happened, but as far as we can 
observe right now, it's a *progression*, not a regression, since 
executing out of a non-PROT_EXEC area isn't *supposed* to work...

	-hpa
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