From: Shaohua Li <shaohua.li@intel.com>
To: walt <w41ter@gmail.com>
Cc: linux-kernel@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
Tejun Heo <tj@kernel.org>
Subject: Re: cfq bug still not fixed on x86
Date: Wed, 1 Feb 2012 11:18:34 +0800 [thread overview]
Message-ID: <CANejiEUVeqjgEHumtEaCTpLgdQ54DWa3HJF-3qj+7t8F2bTXeg@mail.gmail.com> (raw)
In-Reply-To: <4F286529.1060407@gmail.com>
can you try the debug patch from Tejun:
http://marc.info/?l=linux-kernel&m=132683711206544&w=2
2012/2/1 walt <w41ter@gmail.com>:
> Hi guys. Linus recently commited this bugfix from Jens:
>
> commit 54b466e44b1c7809144bbd8cd6be3f85877ca46f
> Author: Jens Axboe
> Date: Tue Jan 17 21:26:11 2012 +0100
>
> cfq-iosched: fix use-after-free of cfqq
>
> That fixed the problem on my amd64x2 machine, but my old UP x86 amd
> machine is still producing the same backtrace when udevd segfaults
> during bootup.
>
> I'm wondering if the patch neglects some 32-bit or non-SMP code?
>
> Thanks for all your hard work on open-source :)
>
> --
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next prev parent reply other threads:[~2012-02-01 3:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-31 22:03 cfq bug still not fixed on x86 walt
2012-02-01 3:18 ` Shaohua Li [this message]
2012-02-01 15:31 ` walt
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