[Bug 71796] Hardware assisted (VDPAU) decoding of MPEG-2 causes GPU lockup - Radeon HD6950

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71796

--- Comment #11 from Kertesz Laszlo <laszlo.kertesz at gmail.com> ---
Created attachment 90478
  --> https://bugs.freedesktop.org/attachment.cgi?id=90478&action=edit
dmesg file showing GPU resets with mplayer on A8-5500

I have a A8-5500 with 7560D igp (Debian Testing 64 bit with Xfce 4.10) and
mesa, drm, llvm, glamor and kernel from latest git with the agd5f
drm-fixes-3.13 merged - playing a certain mpeg2 clip with xbmc sends the GPU
into a reset loop (i managed to get to tty1 and do a killall -9 xbmc.bin, but i
had to restart because the resets continued and tty7 gave no video signal at
all.
Playing the same clip with mplayer shows green garbled image and after 3 tries
(started playback, let it run for a few seconds, stopped) it did reset the gpu
too only i was able to killall -9 mplayer from tty1 and after that one more gpu
reset happened then the x server recovered.

I had some dvds laying around and those had no issues and downloaded other
mpeg2 clips too and those too worked fine with vdpau decoding, but with this
particular clip vdpau messed stuff up badly.

I found a link for the clip here:
https://github.com/xbmc/xbmc/pull/399

This is the direct download link, its a mpeg2 clip, around 20MB:
http://www.mediafire.com/?4dvvwj5aw2esv49

Attached dmesg from the mplayer session.

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