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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080328102535.GD633@elte.hu \
--to=mingo@elte.hu \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lists@nerdbynature.de \
--cc=markus.rehbach@gmx.de \
--cc=rjw@sisk.pl \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox