$ coredumpctl gdb
           PID: 24028 (mpv)
           UID: 1000 (ef)
           GID: 35 (games)
        Signal: 6 (ABRT)
     Timestamp: Mon 2017-06-19 15:49:08 CEST (9min ago)
  Command Line: mpv /media/somevideo.mkv
    Executable: /usr/bin/mpv
 Control Group: /user.slice/user-1000.slice/session-c3.scope
          Unit: session-c3.scope
         Slice: user-1000.slice
       Session: c3
     Owner UID: 1000 (ef)
       Boot ID: ece521e1714d450283ab97879a33fa25
    Machine ID: 15de4a91845efdb338b900e757d16f92
      Hostname: T801
       Storage: /var/lib/systemd/coredump/core.mpv.1000.ece521e1714d450283ab97879a33fa25.24028.1497880148000000.lz4
       Message: Process 24028 (mpv) of user 1000 dumped core.
                
                Stack trace of thread 24028:
                #0  0x000000000e125ff4 raise (libc.so.6)

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Reading symbols from /usr/bin/mpv...(no debugging symbols found)...done.
[New LWP 24028]
[New LWP 24029]
[New LWP 24030]
[New LWP 24033]
[New LWP 24034]
[New LWP 24035]
[New LWP 24040]
[New LWP 24042]
[New LWP 24043]
[New LWP 24044]
[New LWP 24041]
[New LWP 24046]
[New LWP 24039]
[New LWP 24031]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
Core was generated by `mpv /media/somevideo.mkv'.
Program terminated with signal SIGABRT, Aborted.
#0  0x0e125ff4 in raise () from /lib/libc.so.6
[Current thread is 1 (Thread 0xf7e58000 (LWP 24028))]
(gdb) bt
#0  0x0e125ff4 in raise () from /lib/libc.so.6
#1  0x0e127dd4 in abort () from /lib/libc.so.6
#2  0x0dcb4ad8 in pa_mutex_unlock () from /usr/lib/pulseaudio/libpulsecommon-10.0.so
#3  0x0f8b2060 in pa_threaded_mainloop_unlock () from /usr/lib/libpulse.so.0
#4  0x1001b810 in ?? ()
#5  0x10016bb0 in ?? ()
#6  0x10017244 in ?? ()
#7  0x10050058 in ?? ()
#8  0x10050978 in ?? ()
#9  0x1006cbb8 in ?? ()
#10 0x10063e98 in ?? ()
#11 0x10064b98 in ?? ()
#12 0x0e10e6b4 in ?? () from /lib/libc.so.6
#13 0x0e10e870 in __libc_start_main () from /lib/libc.so.6
#14 0x00000000 in ?? ()
(gdb)