From: Ingo Molnar <mingo@elte.hu>
To: Christian Kujau <lists@nerdbynature.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Markus Rehbach <markus.rehbach@gmx.de>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: 2.6.25-rc6: BUG: unable to handle kernel NULL pointer dereference
Date: Fri, 28 Mar 2008 11:25:35 +0100 [thread overview]
Message-ID: <20080328102535.GD633@elte.hu> (raw)
In-Reply-To: <alpine.DEB.1.10.0803280246530.3955@sheep.housecafe.de>
* Christian Kujau <lists@nerdbynature.de> wrote:
> On Thu, 27 Mar 2008, Thomas Gleixner wrote:
>> I had a lengthy bug decoding session with Ingo and we found the root
>> cause:
>> A dropped workaround for the prefetch bug in early X2s and
>> Opterons. Patch below.
>
> Although I reported it, I could not repoduce the bug. Anyway, I've
> applied your patch to -rc7 and no BUG so far :)
yeah, the condition would normally be very sporadic and it can easily
depend on a specific layout of your kernel image, etc.
the (updated) fix is in Linus' latest git tree as well, and in
x86.git/latest.
Ingo
prev parent reply other threads:[~2008-03-28 10:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-25 23:08 2.6.25-rc6: BUG: unable to handle kernel NULL pointer dereference Christian Kujau
2008-03-26 6:33 ` Andrew Morton
2008-03-26 21:56 ` Rafael J. Wysocki
2008-03-26 23:57 ` Christian Kujau
2008-03-27 15:20 ` Thomas Gleixner
2008-03-27 15:26 ` Ingo Molnar
2008-03-27 18:30 ` Markus Rehbach
2008-03-27 19:26 ` Thomas Gleixner
2008-03-27 23:50 ` Björn Steinbrink
2008-03-28 8:50 ` Christian Kujau
2008-03-28 1:46 ` Christian Kujau
2008-03-28 10:25 ` Ingo Molnar [this message]
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