Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

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On Sat, Dec 3, 2011 at 2:31 PM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote:
> On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf
> <markus@xxxxxxxxxxxxxxx> wrote:
>> On 2011.12.03 at 12:20 +0000, Dave Airlie wrote:
>>> >> > > > > FIX idr_layer_cache: Marking all objects used
>>> >> > > >
>>> >> > > > Yesterday I couldn't reproduce the issue at all. But today I've hit
>>> >> > > > exactly the same spot again. (CCing the drm list)
>>>
>>> If I had to guess it looks like 0 is getting written back to some
>>> random page by the GPU maybe, it could be that the GPU is in some half
>>> setup state at boot or on a reboot does it happen from a cold boot or
>>> just warm boot or kexec?
>>
>> Only happened with kexec thus far. Cold boot seems to be fine.
>>
>> --
>> Markus
>
> Can you add radeon.no_wb=1 to your kexec kernel paramater an see if
> you can reproduce.
>
> Cheers,
> Jerome

Also cold boot with radeon.no_wb=1 :)

Cheers,
Jerome

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