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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.24-sha1: RIP  [<ffffffff802596c8>] iov_iter_advance+0x38/0x70
Date: Wed, 13 Feb 2008 11:17:37 +1100	[thread overview]
Message-ID: <200802131117.37389.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <20080212222704.GC2144@martell.zuzino.mipt.ru>

On Wednesday 13 February 2008 09:27, Alexey Dobriyan wrote:
> On Tue, Feb 12, 2008 at 02:04:30PM -0800, Andrew Morton wrote:
> > On Sun, 10 Feb 2008 17:00:31 +0300
> >
> > Alexey Dobriyan <adobriyan@gmail.com> wrote:
> > > This happened during LTP. FWIW, modprobe/rmmod trivial empty module
> > > together with cat /proc/*/wchan and cat /proc/modules were also
> > > running.
> > >
> > > Box is E6400, much debugging is on, config below.
> > >
> > >
> > > [ 4057.310000] BUG: unable to handle kernel paging request at
> > > ffff810101dbc008 [ 4057.310000] IP: [<ffffffff802596c8>]
> > > iov_iter_advance+0x38/0x70 [ 4057.310000] PGD 8063 PUD c063 PMD
> > > 153baa163 PTE 8000000101dbc160 [ 4057.310000] Oops: 0000 [1] SMP
> > > DEBUG_PAGEALLOC
> > > [ 4057.310000] CPU 0
> > > [ 4057.310000] Modules linked in: [last unloaded: foo]
> >
> > what is this foo.ko of which you speak, and did it wreck your kernel?
>
> It's a trivial dumb module which does nothing but loads and unloads.
> I redid ftest03 later without any suspicious activity and it oopsed the
> same way.

Ah crap. Hmm, maybe I didn't consider all cases with my last patch to
that code... is there an easy way to get the ftest03 source and run
it?

  reply	other threads:[~2008-02-13  0:18 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-10 14:00 Alexey Dobriyan
2008-02-10 17:46 ` Alexey Dobriyan
2008-02-12 22:04 ` Andrew Morton
2008-02-12 22:27   ` Alexey Dobriyan
2008-02-13  0:17     ` Nick Piggin [this message]
2008-02-13  4:42       ` Nick Piggin
2008-02-19 20:47         ` Alexey Dobriyan
2008-02-19 22:01           ` Alexey Dobriyan
2008-02-26  3:46             ` Nick Piggin
2008-02-27 17:41               ` Kevin Coffman
2008-03-03  4:38                 ` Nick Piggin
2008-03-03 13:30                   ` Kevin Coffman
2008-03-03 16:41                     ` Nick Piggin
2008-02-19  1:20     ` Nick Piggin
2008-02-19 19:22       ` Kevin Coffman

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