linux-kernel - Re: unify pagetable accessors patch causes double fault II

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Date:	Tue, 15 Jan 2008 17:53:42 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: unify pagetable accessors patch causes double fault II

On Tue, Jan 15, 2008 at 01:55:56PM +0100, Ingo Molnar wrote:
> 
> * Andi Kleen <andi@...stfloor.org> wrote:
> 
> > I just applied over the whole git-x86 patchkit (tip 
> > 2f42671697ea9abc7d10ea7f663d6ef6e8ec6358) + the two build fixes 
> > Unfortunately it didn't work, although the faulting loop is shorter 
> > now:
> > 
> > Freeing unused kernel memory: 260k freed
> > mount[1159]: segfault at b7fcfe98 ip b7ec6b7a sp bfcfcdec error 7
> > Eeek! page_mapcount(page) went negative! (-1)
> 
> could you please send me the .config you are using on that kernel?

http://halobates.de/config32

Essentially defconfig with CONFIG_IDE disabled and PAE enabled

-Andi
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