[drm] [radeon] [3.1.4] slub memory corruption in drm_vblank_cleanup

[batouzo]

On 12/14/2011 12:31 AM, Jerome Glisse wrote:

>> Allocated in drm_vblank_init+0x139/0x260 [drm] + Freed in
>> drm_vblank_cleanup+0x78/0x90 [drm]
>> Allocated in drm_vblank_init+0xbe/0x260 [drm] + Freed in
>> drm_vblank_cleanup+0x48/0x90 [drm]
>>
>> It is Amd Bulldozer computer, with Radeon card:
>> 01:00.0 VGA compatible controller: ATI Technologies Inc Cedar PRO
>> [Radeon HD 5450]
>>
>>    messages: http://pastebin.com/NXN5EPtG
>> config used: http://pastebin.com/AeVxEX7c

> 
> Do you boot your kernel with kexec ? Does the patch help :

Nope. Already seen that kexec bugfix on LKML but I start system normally
not with kexec.

> http://people.freedesktop.org/~glisse/0001-drm-radeon-disable-possible-GPU-writeback-early-v3.patch
> If not please open bug on bugs.freedesktop.org against radeon driver.

ok