linux-kernel - Re: [PATCH 0 of 4] x86: some more patches

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Message-ID: <478D4197.8060904@goop.org>
Date:	Tue, 15 Jan 2008 15:28:23 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	LKML <linux-kernel@...r.kernel.org>, Andi Kleen <ak@...e.de>,
	Glauber de Oliveira Costa <glommer@...il.com>,
	Jan Beulich <jbeulich@...ell.com>
Subject: Re: [PATCH 0 of 4] x86: some more patches

Ingo Molnar wrote:
> unfortunately they dont solve it:
>
>  [   92.042586] Freeing unused kernel memory: 328k freed
>  [   92.091838] khelper used greatest stack depth: 6244 bytes left
>  [   92.281738] init[1]: segfault at 00000004 ip 49471cbb sp bff8dbb0 error 4
>  [   92.288761] init[1]: segfault at 00000004 ip 49471cbb sp bff8dbb0 error 4
>  [   92.295763] init[1]: segfault at 00000004 ip 49471cbb sp bff8dbb0 error 4
>  [...]
>  [   97.312484] printk: 611046 messages suppressed.
>
> 32-bit, PAE and RAM above 4GB seems to be enough to trigger that bug.
>   

Bum.  We established that once you fix the accessors+sign extension bug, 
there's another bug somewhere later on in the series.  Any chance you 
could move "x86/pgtable: fix constant sign extension problem" to be just 
after "x86/pgtable: unify pagetable accessors" and bisect the following 
patches?

Thanks,
    J
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