[Bug 71796] New: 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

          Priority: medium
            Bug ID: 71796
          Assignee: dri-devel at lists.freedesktop.org
           Summary: Hardware assisted (VDPAU) decoding of MPEG-2 causes
                    GPU lockup - Radeon HD6950
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: libgradev at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/DRI/R600
           Product: Mesa

Created attachment 89477
  --> https://bugs.freedesktop.org/attachment.cgi?id=89477&action=edit
DMESG output showing hardware info and lockup.

Playing back MPEG-2 compressed video causes a GPU lockup and reset. This
happens about 9 times out of 10 upon start of playback - the other time
playback starts fine.

About 4 out of 5 times the reset is successful and playback begins a catchup
phase before continuing normally - otherwise it results in a complete system
freeze.

If playback actually starts it continues fine.

Using VDPAU assisted playback via XBMC. Using software only playback works fine
every time. h264 playback seems unaffected.

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