[Bug 94511] rv730 agp reproducable uvd gpu hangs in fullscreen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94511

            Bug ID: 94511
           Summary: rv730 agp reproducable uvd gpu hangs in fullscreen
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: roman.elshin at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 122250
  --> https://bugs.freedesktop.org/attachment.cgi?id=122250&action=edit
dmesg

With some movies gpu hangs are quite reproducable while playing with "mpv
hwdec=vdpau vo=vdpau" in fullscreen (1920x1200), in the same time "mpv
hwdec=vdpau vo=opengl" work fine there.
For me it is quite easy to reproduce this with such encoded video:
ffmpeg -i big_buck_bunny_1080p_surround.avi -vf scale=1024:576 -c:v libx264
-preset medium -x264-params keyint_min=23 -c:a copy output_1024_576.mkv
Mostly it requires less then one minutes of playing in full screen for GPU
hangs.
I suppose that problem is rv730 specific, as I can not reproduce it with rv740
(but it PCIe and work with CPU which is mutch faster).

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