Bug#769564: mpv: Segfault when playing in fullscreen

[Alessandro Ghedini]

Control: reassign -1 libgl1-mesa-dri
Control: forcemerge 762809 -1
Control: affects 762809 mpv

On ven, nov 14, 2014 at 08:40:48 -0600, David McMackins wrote:
> Package: mpv
> Version: 0.6.2-2
> Severity: normal
> 
> Dear Maintainer,
> 
> Steps to reproduce:
> 
> - Play a webm video file with mpv, no other arguments (not sure if format
>   is relevant)
> - Strike F to enter fullscreen mode
> - Wait 2-10 seconds
> - mpv will crash
> 
> For me, it caused gnome-shell to refresh, and reported a segfault. Log:
> 
> $ mpv /media/david/TOSHIBA\ EXT/vid/TED/TEDxGE2014_Stallman05_HQ.ogg
> Playing: /media/david/TOSHIBA EXT/vid/TED/TEDxGE2014_Stallman05_HQ.ogg
> [libav/video] theora: 7 bits left in packet 82
> [stream] Video (+) --vid=1 (theora)
> [stream] Audio (+) --aid=1 (vorbis)
> [libav/video] theora: 7 bits left in packet 82
> AO: [pulse] 48000Hz stereo 2ch float
> VO: [opengl] 1920x1088 => 1920x1088 yuv420p
> Failed to open BO for returned DRI2 buffer (1920x1080, dri2 back buffer,
> named 11).
> This is likely a bug in the X Server that will lead to a crash soon.
> Segmentation fault

This looks like a video driver bug, see https://bugs.debian.org/762809. There's
also a workaround at https://bugs.freedesktop.org/show_bug.cgi?id=84372 (scroll
to the bottom).

Cheers
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