linux-kernel - Re: [Bug #14011] Kernel paging request failed in kmem_cache

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Message-ID: <84144f020908260759q6554971dva6cc89a0ad9821b@mail.gmail.com>
Date:	Wed, 26 Aug 2009 17:59:30 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Matthias Dahl <ml_kernel@...tal-soul.de>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Eric Paris <eparis@...hat.com>
Subject: Re: [Bug #14011] Kernel paging request failed in kmem_cache_alloc

On Wed, Aug 26, 2009 at 5:01 PM, Matthias Dahl<ml_kernel@...tal-soul.de> wrote:
>> Can you reproduce the bug without the proprietary nvidia module that
>> seems to be loaded?
>
> I am sorry but I forgot to test that and right now I am not very keen on
> trying again since this is my primary machine and I had quite some fs
> corruption (ext4 on md raid5 -> no barriers) the last times. :-( But this also
> happened w/o Xorg ever being run during that session (though naturally the
> nvidia kernel module was still loaded).

Sure, I can understand that. The bug looks like regular slab
corruption which could have been caused the nvidia blob. So I think
the issue should be closed unless someone can reproduce it without the
blob.

That said, sys_inotify_add_watch() also appears in the trace and
there's been quite a few bug fixes in that area recently so I guess we
should CC Eric Paris just in case the oops rings a bell to him.

                        Pekka
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