[Bug 67187] Radeon HD6950: UVD not responding, trying to reset the VCPU

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67187

--- Comment #8 from Harald Judt <h.judt at gmx.at> ---
Finally! I've pulled
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-3.11 for rc3 and
reliability of suspending and hibernating has improved *a lot*. The machine
will even hibernate and resume with successfully with pm_async=1 now. There was
only one time that a similar error message occurred in 1 out of 18 attempts,
this time only slightly different from the other errors:

[ 4379.361691] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec
[ 4379.361692] radeon 0000:01:00.0: GPU lockup (waiting for 0x0000000000000026
last fence id 0x0000000000000024)
[ 4379.361693] [drm:r600_uvd_ib_test] *ERROR* radeon: fence wait failed (-35).
[ 4379.361695] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on
ring 5 (-35).

Let's see how more often this will occur. Apart from this one failure (I hope
it was only bad luck) it works very well now. Thanks for the improvements.

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