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

[batouzo]

On 12/14/2011 03:10 PM, Alex Deucher wrote:

>> Though, the 60 second delay may influence the rarity of hitting BUG (it
>> was the case with netconsole's 60sec wait).
>> Should I just remove loading of this firmware?
>>
> Make sure the ucode is available in your initrd or kernel image or
> filesystem depending on how you are loading the driver.  The driver
> has much more limited functionality without the ucode (no acceleration
> support, no interrupt support).  You may not hit the bug at all due to
> the reduced functionality.

Actually, where is that file? Can't find CEDAR_pfp.bin or even any
"*CEDAR*" in entire filesystem where I build the kernel.

Also I tried CONFIG_FIRMWARE_IN_KERNEL=y
but it didn't helped, hm.


>> [   62.347154] r600_cp: Failed to load firmware "radeon/CEDAR_pfp.bin"
>> [   62.347189] [drm:evergreen_startup] *ERROR* Failed to load firmware!
>> [   62.347222] radeon 0000:01:00.0: disabling GPU acceleration