[drm] [radeon] [3.1.4] slub memory corruption in drm_vblank_cleanup
alexdeucher at gmail.com
Wed Dec 14 08:40:10 PST 2011
On Wed, Dec 14, 2011 at 11:32 AM, batouzo <batouzo at gmx.com> wrote:
> 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.
You need to grab them from here:
>>> [ 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
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