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Message-ID: <6bffcb0e0601261102j7e0a5d5av@mail.gmail.com>
Date: Thu, 26 Jan 2006 20:02:56 +0100
From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: 2.6.16-rc1-mm3
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
In-Reply-To: <43D7A047.3070004@yahoo.com.au>
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References: <20060124232406.50abccd1.akpm@osdl.org>
	 <6bffcb0e0601250340x6ca48af0w@mail.gmail.com>
	 <43D7A047.3070004@yahoo.com.au>
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Hi,

On 25/01/06, Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Hi,
>
> Michal Piotrowski wrote:
> > ------------[ cut here ]------------
> > kernel BUG at /usr/src/linux-mm/include/linux/mm.h:302!
> > invalid opcode: 0000 [#1]
> > PREEMPT SMP DEBUG_PAGEALLOC
> > last sysfs file: /class/vc/vcsa7/dev
> > Modules linked in: binfmt_misc thermal fan processor ipv6 w83627hf
> > hwmon_vid hwmon i2c_isa snd_intel8x0 snd_ac97_codec snd_ac97_bus
> > sk98lin snd_pcm_oss snd_mixer_oss skge intel_agp snd_pcm snd_timer snd
> > soundcore i2c_i801 parport_pc parport snd_page_alloc 8250_pnp 8250
> > serial_core agpgart rtc ide_cd cdrom hw_random unix
> > CPU:    0
> > EIP:    0060:[<b013fe81>]    Not tainted VLI
> > EFLAGS: 00210246   (2.6.16-rc1-mm3 #1)
> > EIP is at release_pages+0x33/0x15e
>
> Is it repeatable?
>
> If so, I'd imagine it must be a specific driver page which is not properly
> refcounted somewhere. A bug in generic code would have shown up elsewhere
> by now.
>
> Can you try something like the attached patch and see what it gives you?
>
> Thanks,
> Nick
>
> --
> SUSE Labs, Novell Inc.

[snip]


Here is dmesg:
http://www.stardust.webpages.pl/files/mm/2.6.16-rc1-mm3/mm-dmesg
Here is config:
http://www.stardust.webpages.pl/files/mm/2.6.16-rc1-mm3/mm-config

I hope it helps.

Regards,
Michal Piotrowski