.
Thread 4 (Thread 0x7f75e757c700 (LWP 9333)):
#0  0x00007f75fd3edd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f76007a9321 in ?? ()
No symbol table info available.
#2  0x00007f76007acb37 in ?? ()
No symbol table info available.
#3  0x00007f75fd3e9e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#4  0x00007f75fd116cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f76006d7780 (LWP 9330)):
#0  0x00007f75fd110023 in select () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f76008744d1 in ?? ()
No symbol table info available.
#2  0x00007f760079cceb in main ()
No symbol table info available.
.
Thread 2 (Thread 0x7f75e7d7d700 (LWP 9332)):
#0  0x00007f75fd10b303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f75fee22b6f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007f75fee140b5 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007f75fee14719 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x00007f75fee147d0 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#5  0x00007f75fee22b1f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#6  0x00007f75fba55543 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-2.1.so
No symbol table info available.
#7  0x00007f75fd3e9e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#8  0x00007f75fd116cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f75f48d5700 (LWP 9331)):
#0  0x00007f75fd059425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f75fd05cb8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f76008d1566 in ?? ()
No symbol table info available.
#3  0x00007f76008ce6ca in ?? ()
No symbol table info available.
#4  0x00007f76008cb87f in ?? ()
No symbol table info available.
#5  0x00007f76008cc755 in ?? ()
No symbol table info available.
#6  0x00007f75fd3e9e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007f75fd116cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.