[BUG] radeon: suspend resume

[Alex Deucher]

On Tue, Jul 23, 2013 at 2:59 PM, Sami Kerola <kerolasa at iki.fi> wrote:
> On 17 July 2013 11:19, Michel Dänzer <michel at daenzer.net> wrote:
>> On Mit, 2013-07-17 at 10:58 +0100, Sami Kerola wrote:
>>> On 15 July 2013 11:35, Michel Dänzer <michel at daenzer.net> wrote:
>>> > On Son, 2013-07-14 at 13:26 +0100, Sami Kerola wrote:
>>> >>
>>> >> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: GPU lockup
>>> >> CP stall for more than 10000msec
>>> >> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: GPU lockup
>>> >> (waiting for 0x0000000000000004 last fence id 0x0000000000000002)
>>> >> Jul 14 12:51:31 kerolasa-home kernel: [drm:r600_uvd_ib_test] *ERROR*
>>> >> radeon: fence wait failed (-35).
>>> >> Jul 14 12:51:31 kerolasa-home kernel: [drm:radeon_ib_ring_tests]
>>> >> *ERROR* radeon: failed testing IB on ring 5 (-35).
>>> >
>>> > Looks like the patch from
>>> > https://bugs.freedesktop.org/show_bug.cgi?id=66425 might help.
>>>
>>> Hi Michel,
>>>
>>> I tried this patch
>>>
>>> https://bugs.freedesktop.org/show_bug.cgi?id=66425#c21
>>>
>>> which nearly completely applied. The non-applied line is below, and
>>> which I left that way as it seems there are referrals to the uvd_fw
>>> firmware elsewhere in code.
>>
>> I'm afraid that sounds like you didn't port the patch to your kernel
>> correctly, as it's supposed to remove all references to uvd_fw as well.
>> Can you post the patch you're testing against your kernel?
>
> Hi Michel, and others,
>
> I believe the patch from the bug id=66425, mentioned earlier in the
> thread, seems to be part of upstream
>
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9cc2e0e9f13315559c85c9f99f141e420967c955
>
> and unsurprisingly the version of the change in Linus's git compiles
> without issues. Unfortunately the 3.11-rc2 does not fix my suspend
> problem/resume problem. Let me know if I can some how help you to
> debug this issue.

Probably best to file a bug:
https://bugs.freedesktop.org

Alex