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

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Message-ID: <20080115125556.GA3475@elte.hu>
Date:	Tue, 15 Jan 2008 13:55:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: unify pagetable accessors patch causes double fault II


* 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?

	Ingo
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