gistfile1.txt

yunake@x230:~$ gdb mpv
GNU gdb (GDB) 7.10
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Reading symbols from mpv...(no debugging symbols found)...done.
(gdb) run https://www.youtube.com/watch?v=kb146Y1igTQ
Starting program: /usr/bin/mpv https://www.youtube.com/watch?v=kb146Y1igTQ
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffd7533700 (LWP 29401)]
[New Thread 0x7fffd6d32700 (LWP 29402)]
[New Thread 0x7fffd6531700 (LWP 29404)]
[New Thread 0x7fffd5d30700 (LWP 29405)]
Playing: https://www.youtube.com/watch?v=kb146Y1igTQ
[New Thread 0x7fffd552f700 (LWP 29431)]
[New Thread 0x7fffc7fff700 (LWP 29432)]
[Thread 0x7fffd552f700 (LWP 29431) exited]
 (+) Video --vid=1 (*) (h264)
 (+) Audio --aid=1 --alang=eng (*) (aac)
[New Thread 0x7fffd552f700 (LWP 29433)]
[New Thread 0x7fffc77fe700 (LWP 29434)]
[New Thread 0x7fffc6ffd700 (LWP 29437)]
libva info: VA-API version 0.38.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_38
libva info: va_openDriver() returns 0
xscreensaver-command: not active: idle timer reset.

[New Thread 0x7fffc63d1700 (LWP 29447)]
[New Thread 0x7fffc5bd0700 (LWP 29450)]
[xrandr] output LVDS1 mode=1366x768 refresh rates =      60.02*+ 
[xrandr] output HDMI1 mode=1920x1080 refresh rates =     60.00*+  50.00    59.94    30.00    25.00    24.00    29.97    23.98   
AO: [pulse] 44100Hz stereo 2ch float
Using hardware decoding (vaapi).
VO: [vaapi] 1280x720 vaapi
[xrandr] container fps is 23.976024627686Hz, for output LVDS1 mode 1366x768 the best fitting display fps rate is 60.02Hz 
mpv: i965_output_dri.c:167: i965_put_surface_dri: Assertion `dest_region->bo' failed. 9s+40MB

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffc77fe700 (LWP 29434)]
0x00007fffefd845f8 in raise () from /usr/lib/libc.so.6
(gdb) generate-core-file
warning: target file /proc/29397/cmdline contained unexpected null characters
Saved corefile core.29397
(gdb) bt
#0  0x00007fffefd845f8 in raise () from /usr/lib/libc.so.6
#1  0x00007fffefd85a7a in abort () from /usr/lib/libc.so.6
#2  0x00007fffefd7d417 in __assert_fail_base () from /usr/lib/libc.so.6
#3  0x00007fffefd7d4c2 in __assert_fail () from /usr/lib/libc.so.6
#4  0x00007fffd4191081 in ?? () from /usr/lib/dri/i965_drv_video.so
#5  0x00007fffd416626c in ?? () from /usr/lib/dri/i965_drv_video.so
#6  0x0000555555657bed in ?? ()
#7  0x000055555565256c in ?? ()
#8  0x00007ffff2e224a4 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fffefe3a13d in clone () from /usr/lib/libc.so.6
(gdb) 

Full core file: https://yunak.eu/~yunake/cruft/core.29397.gz