.
Thread 3 (Thread 0x7f035f7c2700 (LWP 1871)):
#0  0x00007f035de51e93 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f035eeba807 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007f035eebadd9 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007f035eebae90 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x0000000000406948 in main ()
No symbol table info available.
.
Thread 2 (Thread 0x7f0358fbc700 (LWP 1880)):
#0  0x00007f035de51e93 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f035f36e629 in pa_rtpoll_run () from /usr/lib/libpulsecore-1.1.so
No symbol table info available.
#2  0x00007f0358fe34df in ?? () from /usr/lib/pulse-1.1/modules/libalsa-util.so
No symbol table info available.
#3  0x00007f035f120c28 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
No symbol table info available.
#4  0x00007f035e835e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007f035de5d77d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f035ad3c700 (LWP 1878)):
#0  0x00007f035dda3475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f035dda6bdb in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f035f10a3ab in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
No symbol table info available.
#3  0x00007f035f10a620 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
No symbol table info available.
#4  0x00007f035f10afd4 in pa_memblockq_drop () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
No symbol table info available.
#5  0x00007f035a11f9c4 in ?? () from /usr/lib/pulse-1.1/modules/libprotocol-native.so
No symbol table info available.
#6  0x00007f035f37a17b in pa_sink_input_peek () from /usr/lib/libpulsecore-1.1.so
No symbol table info available.
#7  0x00007f035f38070a in ?? () from /usr/lib/libpulsecore-1.1.so
No symbol table info available.
#8  0x00007f035f382f47 in pa_sink_render_into () from /usr/lib/libpulsecore-1.1.so
No symbol table info available.
#9  0x00007f035f383499 in pa_sink_render_into_full () from /usr/lib/libpulsecore-1.1.so
No symbol table info available.
#10 0x00007f0358fde2c0 in ?? () from /usr/lib/pulse-1.1/modules/libalsa-util.so
No symbol table info available.
#11 0x00007f035f120c28 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
No symbol table info available.
#12 0x00007f035e835e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#13 0x00007f035de5d77d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.