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

[Alex Deucher]

On Wed, Dec 14, 2011 at 12:12 PM, batouzo <batouzo at gmx.com> wrote:
> On 12/14/2011 05:40 PM, Alex Deucher wrote:
>> 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:
>> http://git.kernel.org/?p=linux/kernel/git/dwmw2/linux-firmware.git
>
> Ok I see.
>
> Is there a pubkey signed version of that available, or what is the
> safe-download procedure (as with kernl.org .tar's + .sign for kernels)?
>

You can download/compare with my tree:
http://people.freedesktop.org/~agd5f/radeon_ucode/

Alex


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