#0  0x00007f0f46ec818b in raise () from /tmp/apport_sandbox_nb4z45e1/lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f0f46ea7859 in abort () from /tmp/apport_sandbox_nb4z45e1/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f0f41ec071a in sink_set_port_ucm_cb () from /tmp/apport_sandbox_nb4z45e1/usr/lib/pulse-13.99.1/modules/libalsa-util.so
#3  0x00007f0f473894bb in pa_sink_set_port () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-13.99.so
#4  0x00007f0f4208493a in command_set_sink_or_source_port () from /tmp/apport_sandbox_nb4z45e1/usr/lib/pulse-13.99.1/modules/libprotocol-native.so
#5  0x00007f0f472f0d20 in pa_pdispatch_run () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#6  0x00007f0f4208fe3b in pstream_packet_callback () from /tmp/apport_sandbox_nb4z45e1/usr/lib/pulse-13.99.1/modules/libprotocol-native.so
#7  0x00007f0f472f37a1 in do_read () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#8  0x00007f0f472f657b in do_pstream_read_write () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#9  0x00007f0f472f693a in srb_callback () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#10 0x00007f0f472f71ca in srbchannel_rwloop () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#11 0x00007f0f47284ba3 in pa_mainloop_dispatch () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
#12 0x00007f0f47284ed2 in pa_mainloop_iterate () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
#13 0x00007f0f47284f70 in pa_mainloop_run () from /tmp/apport_sandbox_nb4z45e1/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
#14 0x000055d1a98fd39f in main ()