#0  0x00007fa0d52cd2b0 in pa_idxset_string_hash_func () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
No symbol table info available.
#1  0x00007fa0d52cc256 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
No symbol table info available.
#2  0x00007fa0d52cc884 in pa_hashmap_remove_all () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
No symbol table info available.
#3  0x00007fa0d52cc912 in pa_hashmap_free () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
No symbol table info available.
#4  0x00007fa0c2fb07b2 in pa_dbusiface_card_free () from /usr/lib/pulse-4.0/modules/module-dbus-protocol.so
No symbol table info available.
#5  0x00007fa0c2fb8d8a in ?? () from /usr/lib/pulse-4.0/modules/module-dbus-protocol.so
No symbol table info available.
#6  0x00007fa0d55346ff in ?? () from /usr/lib/libpulsecore-4.0.so
No symbol table info available.
#7  0x00007fa0d5081c8a in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#8  0x00007fa0d5081eea in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#9  0x00007fa0d5081f90 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#10 0x0000000000406e82 in main ()
No symbol table info available.