.
Thread 3 (Thread 0x7f4ebd14b700 (LWP 1869)):
#0  0x00007f4ec42bd9bf in poll () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f4ebde9c1ae in g_main_context_iterate.isra () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.1
No symbol table info available.
#2  0x00007f4ebde9c533 in g_main_loop_run () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.1
No symbol table info available.
#3  0x00007f4ebe22f986 in thread_main () from /tmp/apport_sandbox_om0t5p40/usr/lib/pulse-13.99.1/modules/module-snap-policy.so
No symbol table info available.
#4  0x00007f4ec462c57c in internal_thread_func () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
No symbol table info available.
#5  0x00007f4ec4503609 in start_thread () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f4ec42ca153 in clone () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 2 (Thread 0x7f4ebea5f700 (LWP 1868)):
#0  0x00007f4ec42bdab6 in ppoll () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f4ec46911d4 in pa_rtpoll_run () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-13.99.so
No symbol table info available.
#2  0x00007f4ebea62b25 in thread_func () from /tmp/apport_sandbox_om0t5p40/usr/lib/pulse-13.99.1/modules/module-null-sink.so
No symbol table info available.
#3  0x00007f4ec462c57c in internal_thread_func () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
No symbol table info available.
#4  0x00007f4ec4503609 in start_thread () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007f4ec42ca153 in clone () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 1 (Thread 0x7f4ec3932ec0 (LWP 1862)):
#0  0x00007f4ec41ee18b in raise () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f4ec41cd859 in abort () from /tmp/apport_sandbox_om0t5p40/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f4ebc800761 in pa_alsa_ucm_add_profile_set () from /tmp/apport_sandbox_om0t5p40/usr/lib/pulse-13.99.1/modules/libalsa-util.so
No symbol table info available.
#3  0x00007f4ebc945fa6 in module_alsa_card_LTX_pa__init () from /tmp/apport_sandbox_om0t5p40/usr/lib/pulse-13.99.1/modules/module-alsa-card.so
No symbol table info available.
#4  0x00007f4ec46874a1 in pa_module_load () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-13.99.so
No symbol table info available.
#5  0x00007f4ebeae820f in verify_access () from /tmp/apport_sandbox_om0t5p40/usr/lib/pulse-13.99.1/modules/module-udev-detect.so
No symbol table info available.
#6  0x00007f4ebeae8e85 in inotify_cb () from /tmp/apport_sandbox_om0t5p40/usr/lib/pulse-13.99.1/modules/module-udev-detect.so
No symbol table info available.
#7  0x00007f4ec45aaba3 in pa_mainloop_dispatch () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
No symbol table info available.
#8  0x00007f4ec45aaed2 in pa_mainloop_iterate () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
No symbol table info available.
#9  0x00007f4ec45aaf70 in pa_mainloop_run () from /tmp/apport_sandbox_om0t5p40/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
No symbol table info available.
#10 0x000056377f3e839f in main ()
No symbol table info available.