Bug#848407: mpv: 1080p videos often cease displaying if another window covers it temporarily

Arthur Marsh arthur.marsh at internode.on.net
Sun Dec 18 08:47:04 UTC 2016


Package: mpv
Version: 0.22.0-1
Followup-For: Bug #848407

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?

Using open source mesa drivers from Debian in all cases.

Trace:

# ps -ef|grep mpv
amarsh04  5183  4408 79 18:50 pts/3    00:18:29 mpv /home/amarsh04/torrent/[rapi
root     10741  9675  0 19:13 pts/2    00:00:00 grep mpv
am64:/usr/src/linux# gdb -p 5183
GNU gdb (Debian 7.12-4) 7.12
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 5183
[New LWP 5186]
[New LWP 5187]
[New LWP 5188]
[New LWP 5190]
[New LWP 5191]
[New LWP 5192]
[New LWP 5193]
[New LWP 5194]
[New LWP 5195]
[New LWP 5196]
[New LWP 5197]
[New LWP 5198]
[New LWP 5200]
[New LWP 5217]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
225     ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
(gdb) thread apply all bt full

Thread 15 (Thread 0x7ff160ff9700 (LWP 5217)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x000056455bb2634b in ?? ()
No symbol table info available.
#2  0x000056455bb292ef in ?? ()
No symbol table info available.
#3  0x00007ff1a0854464 in start_thread (arg=0x7ff160ff9700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff160ff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674691208960, 
                409454835677917999, 0, 140722592713759, 0, 140675818590272, 
                -410833619617713361, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
---Type <return> to continue, or q <return> to quit---
#4  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 14 (Thread 0x7ff1617fa700 (LWP 5200)):
#0  0x00007ff19b54b56d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff19f676eb1 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007ff19f668681 in pa_mainloop_poll ()
   from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007ff19f668d1e in pa_mainloop_iterate ()
   from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x00007ff19f668dd0 in pa_mainloop_run ()
   from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#5  0x00007ff19f676df9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#6  0x00007ff1947bdc48 in ?? ()
   from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-9.0.so
No symbol table info available.
#7  0x00007ff1a0854464 in start_thread (arg=0x7ff1617fa700)
---Type <return> to continue, or q <return> to quit---
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff1617fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674699601664, 
                409454835677917999, 0, 140722592713567, 0, 140675818590272, 
                -410830321619700945, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 13 (Thread 0x7ff161ffb700 (LWP 5198)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007ff1a2981e1e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#2  0x00007ff1a0854464 in start_thread (arg=0x7ff161ffb700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff161ffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674707994368, 
                409454835677917999, 0, 140722592715359, 0, 140675818590272, 
                -410831421668199633, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 12 (Thread 0x7ff1627fc700 (LWP 5197)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007ff1a2981e1e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#2  0x00007ff1a0854464 in start_thread (arg=0x7ff1627fc700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff1627fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674716387072, 
                409454835677917999, 0, 140722592715359, 0, 140675818590272, 
                -410836919763209425, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 11 (Thread 0x7ff162ffd700 (LWP 5196)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
---Type <return> to continue, or q <return> to quit---
#1  0x00007ff1a2981e1e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
No symbol table info available.
#2  0x00007ff1a0854464 in start_thread (arg=0x7ff162ffd700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff162ffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674724779776, 
                409454835677917999, 0, 140722592715359, 0, 140675818590272, 
                -410838019811708113, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 10 (Thread 0x7ff1637fe700 (LWP 5195)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
---Type <return> to continue, or q <return> to quit---
No locals.
#1  0x00007ff1a2981e1e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
No symbol table info available.
#2  0x00007ff1a0854464 in start_thread (arg=0x7ff1637fe700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff1637fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674733172480, 
                409454835677917999, 0, 140722592715359, 0, 140675818590272, 
                -410834721813695697, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 9 (Thread 0x7ff163fff700 (LWP 5194)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
---Type <return> to continue, or q <return> to quit---
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007ff1a2981e1e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
No symbol table info available.
#2  0x00007ff1a0854464 in start_thread (arg=0x7ff163fff700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff163fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674741565184, 
                409454835677917999, 0, 140722592715359, 0, 140675818590272, 
                -410835821862194385, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 8 (Thread 0x7ff168d6b700 (LWP 5193)):

---Type <return> to continue, or q <return> to quit---
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007ff170b452bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#2  0x00007ff170b45117 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#3  0x00007ff1a0854464 in start_thread (arg=0x7ff168d6b700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff168d6b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674822747904, 
                409454835677917999, 0, 140674981641919, 0, 140675818590272, 
                -410816380692729041, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
---Type <return> to continue, or q <return> to quit---
No locals.

Thread 7 (Thread 0x7ff171cf4700 (LWP 5192)):
#0  0x00007ff1a085c577 in futex_abstimed_wait_cancelable (private=0, 
    abstime=0x0, expected=0, futex_word=0x7ff164239120)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:205
        __ret = -512
        oldtype = 0
        err = <optimized out>
#1  do_futex_wait (sem=sem at entry=0x7ff164239120, abstime=0x0)
    at sem_waitcommon.c:111
No locals.
#2  0x00007ff1a085c624 in __new_sem_wait_slow (sem=0x7ff164239120, abstime=0x0)
    at sem_waitcommon.c:181
        _buffer = {__routine = 0x7ff1a085c530 <__sem_wait_cleanup>, 
          __arg = 0x7ff164239120, __canceltype = 1680052544, __prev = 0x0}
        err = <optimized out>
        d = 0
#3  0x000056455bbea058 in ?? ()
No symbol table info available.
#4  0x00007ff1a0854464 in start_thread (arg=0x7ff171cf4700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff171cf4700
---Type <return> to continue, or q <return> to quit---
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674973255424, 
                409454835677917999, 0, 140674981644463, 0, 140675818590272, 
                -410867023188987089, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 6 (Thread 0x7ff1724f5700 (LWP 5191)):
#0  0x00007ff19b54b56d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff194c02150 in poll (__timeout=-1, __nfds=1, __fds=0x7ff1724f4310)
    at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
No locals.
#2  _xcb_conn_wait (c=c at entry=0x7ff16424af00, cond=cond at entry=0x7ff1724f4430, 
    vector=vector at entry=0x0, count=count at entry=0x0) at ../../src/xcb_conn.c:479
        ret = <optimized out>
---Type <return> to continue, or q <return> to quit---
        fd = {fd = 8, events = 1, revents = 0}
#3  0x00007ff194c03c0f in wait_for_reply (c=c at entry=0x7ff16424af00, 
    request=request at entry=104239, e=e at entry=0x7ff1724f4500)
    at ../../src/xcb_in.c:516
        cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, 
            __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, 
            __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, 
          __align = 0}
        reader = {request = 104239, data = 0x7ff1724f4430, next = 0x0}
        ret = 0x0
#4  0x00007ff194c03d81 in xcb_wait_for_reply64 (c=0x7ff16424af00, 
    request=104239, e=0x7ff1724f4500) at ../../src/xcb_in.c:560
        ret = <optimized out>
#5  0x00007ff19fb0b018 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007ff19dfef8da in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
No symbol table info available.
#7  0x00007ff19dfefc37 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
No symbol table info available.
#8  0x00007ff170ab054d in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#9  0x00007ff170aaaa14 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#10 0x00007ff1709975d4 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#11 0x00007ff17099854c in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#12 0x00007ff1709441cb in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#13 0x00007ff17094ce54 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#14 0x000056455bbd4ba5 in ?? ()
No symbol table info available.
#15 0x000056455bbdc8a9 in ?? ()
No symbol table info available.
#16 0x000056455bbd9eaf in ?? ()
No symbol table info available.
#17 0x00007ff1a0854464 in start_thread (arg=0x7ff1724f5700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff1724f5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674981648128, 
                409454835677917999, 0, 140722592716175, 0, 140675818590272, 
                -410872521283996881, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
---Type <return> to continue, or q <return> to quit---
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#18 0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 5 (Thread 0x7ff17364e700 (LWP 5190)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x000056455bb32623 in ?? ()
No symbol table info available.
#2  0x00007ff1a0854464 in start_thread (arg=0x7ff17364e700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff17364e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674999838464, 
                409454835677917999, 0, 140722592716559, 140674999838464, 
                94855919212832, -410870138114018513, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
---Type <return> to continue, or q <return> to quit---
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 4 (Thread 0x7ff173fff700 (LWP 5188)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x000056455bb64bc3 in ?? ()
No symbol table info available.
#2  0x000056455bb66ceb in ?? ()
No symbol table info available.
#3  0x000056455bb7e801 in ?? ()
No symbol table info available.
#4  0x00007ff19e754c75 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#5  0x00007ff19e760825 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#6  0x00007ff19e754f9e in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#7  0x00007ff19e750fdb in lua_callk ()
   from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#8  0x000056455bb7d912 in ?? ()
No symbol table info available.
#9  0x00007ff19e754c75 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#10 0x00007ff19e754f92 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#11 0x00007ff19e7545cf in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#12 0x00007ff19e755201 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#13 0x00007ff19e7510a1 in lua_pcallk ()
   from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#14 0x000056455bb7f484 in ?? ()
No symbol table info available.
#15 0x00007ff19e754c75 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#16 0x00007ff19e754f92 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#17 0x00007ff19e7545cf in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#18 0x00007ff19e755201 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#19 0x00007ff19e7510a1 in lua_pcallk ()
   from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#20 0x000056455bb7f9aa in ?? ()
No symbol table info available.
#21 0x000056455bb84d69 in ?? ()
No symbol table info available.
#22 0x00007ff1a0854464 in start_thread (arg=0x7ff173fff700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff173fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140675010000640, 
                409454835677917999, 0, 140722592716511, 0, 140675818590272, 
                -410871006234283217, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
---Type <return> to continue, or q <return> to quit---
        __PRETTY_FUNCTION__ = "start_thread"
#23 0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 3 (Thread 0x7ff178c0e700 (LWP 5187)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x000056455bb64bc3 in ?? ()
No symbol table info available.
#2  0x000056455bb66ceb in ?? ()
No symbol table info available.
#3  0x000056455bb7e801 in ?? ()
No symbol table info available.
#4  0x00007ff19e754c75 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#5  0x00007ff19e760825 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#6  0x00007ff19e754f9e in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#7  0x00007ff19e750fdb in lua_callk ()
   from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#8  0x000056455bb7d912 in ?? ()
No symbol table info available.
#9  0x00007ff19e754c75 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#10 0x00007ff19e754f92 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#11 0x00007ff19e7545cf in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#12 0x00007ff19e755201 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#13 0x00007ff19e7510a1 in lua_pcallk ()
   from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#14 0x000056455bb7f484 in ?? ()
No symbol table info available.
#15 0x00007ff19e754c75 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#16 0x00007ff19e754f92 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#17 0x00007ff19e7545cf in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#18 0x00007ff19e755201 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#19 0x00007ff19e7510a1 in lua_pcallk ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#20 0x000056455bb7f9aa in ?? ()
No symbol table info available.
#21 0x000056455bb84d69 in ?? ()
No symbol table info available.
#22 0x00007ff1a0854464 in start_thread (arg=0x7ff178c0e700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff178c0e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140675089753856, 
                409454835677917999, 0, 140722592716495, 0, 140675818590272, 
                -410851755653991633, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#23 0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
---Type <return> to continue, or q <return> to quit---

Thread 2 (Thread 0x7ff17940f700 (LWP 5186)):
#0  0x00007ff19b54b56d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x000056455bbf0382 in ?? ()
No symbol table info available.
#2  0x00007ff1a0854464 in start_thread (arg=0x7ff17940f700)
    at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff17940f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140675098146560, 
                409454835677917999, 0, 140722592716607, 0, 140675818590272, 
                -410848457655979217, -410412461305367761}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007ff19b5549df in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
---Type <return> to continue, or q <return> to quit---

Thread 1 (Thread 0x7ff1a4244a00 (LWP 5183)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x000056455bb50f03 in ?? ()
No symbol table info available.
#2  0x000056455bb81912 in ?? ()
No symbol table info available.
#3  0x000056455bb83679 in ?? ()
No symbol table info available.
#4  0x000056455bb7967c in ?? ()
No symbol table info available.
#5  0x000056455bb7a47d in ?? ()
No symbol table info available.
#6  0x00007ff19b48c2b1 in __libc_start_main (main=0x56455bb11b10 <main>, 
    argc=2, argv=0x7ffc88269958, init=<optimized out>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7ffc88269948)
    at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -6258848451249442001, 
                94855891065632, 140722592717136, 0, 0, -407649099603119313, 
                -410500941985877201}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x7ffc88269970, 0x7ff1a4322168}, data = {prev = 0x0, 
---Type <return> to continue, or q <return> to quit---
              cleanup = 0x0, canceltype = -2010736272}}}
        not_first_call = <optimized out>
#7  0x000056455bb11b4a in ?? ()
No symbol table info available.



   * What exactly did you do (or not do) that was effective (or
     ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

*** End of the template - remove these template lines ***


-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0+ (SMP w/4 CPU cores; PREEMPT)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: sysvinit (via /sbin/init)

Versions of packages mpv depends on:
ii  libasound2                              1.1.2-1
ii  libass5                                 0.13.4-1
ii  libavcodec57                            7:3.2.2-1
ii  libavdevice57                           7:3.2.2-1
ii  libavfilter6                            7:3.2.2-1
ii  libavformat57                           7:3.2.2-1
ii  libavutil55                             7:3.2.2-1
ii  libbluray1                              1:0.9.3-3
ii  libc6                                   2.24-8
ii  libcdio-cdda1                           0.83-4.2+b1
ii  libcdio-paranoia1                       0.83-4.2+b1
ii  libcdio13                               0.83-4.2+b1
ii  libdrm2                                 2.4.74-1
ii  libdvdnav4                              5.0.3-2
ii  libdvdread4                             5.0.3-2
ii  libegl1-mesa [libegl1-x11]              13.0.2-3
ii  libenca0                                1.19-1
ii  libgbm1                                 13.0.2-3
ii  libgl1-mesa-glx [libgl1]                13.0.2-3
ii  libguess1                               1.2-1.1
ii  libjack0 [libjack-0.116]                1:0.125.0-2
ii  libjpeg62-turbo                         1:1.5.1-2
ii  liblcms2-2                              2.8-2
ii  liblua5.2-0                             5.2.4-1.1+b1
ii  libpulse0                               9.0-5.0nosystemd1
ii  librubberband2                          1.8.1-6+b1
ii  libsdl2-2.0-0                           2.0.5+dfsg1-1
ii  libsmbclient                            2:4.5.2+dfsg-1.0nosystemd1
ii  libsndio6.1                             1.1.0-3
ii  libswresample2                          7:3.2.2-1
ii  libswscale4                             7:3.2.2-1
ii  libv4l-0                                1.10.1-1
ii  libva-drm1                              1.7.3-2
ii  libva-wayland1                          1.7.3-2
ii  libva-x11-1                             1.7.3-2
ii  libva1                                  1.7.3-2
ii  libvdpau1                               1.1.1-5
ii  libwayland-client0                      1.12.0-1
ii  libwayland-cursor0                      1.12.0-1
ii  libwayland-egl1-mesa [libwayland-egl1]  13.0.2-3
ii  libx11-6                                2:1.6.4-2
ii  libxext6                                2:1.3.3-1
ii  libxinerama1                            2:1.1.3-1+b1
ii  libxkbcommon0                           0.7.0-1
ii  libxrandr2                              2:1.5.1-1
ii  libxss1                                 1:1.2.2-1
ii  libxv1                                  2:1.0.11-1
ii  zlib1g                                  1:1.2.8.dfsg-4

Versions of packages mpv recommends:
ii  xdg-utils   1.1.1-1
ii  youtube-dl  2016.12.01-1

mpv suggests no packages.

-- debconf-show failed



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