.
Thread 3 (Thread 0x7fa0cd807700 (LWP 2182)):
#0  0x00007fa0d3e0549f in __GI_ppoll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, sigmask=<optimized out>) at ../sysdeps/unix/sysv/linux/ppoll.c:57
        resultvar = 18446744073709551102
        oldtype = 0
        tval = {tv_sec = 37768592, tv_nsec = 38332208}
        result = <optimized out>
#1  0x00007fa0d55415d0 in pa_rtpoll_run () from /usr/lib/libpulsecore-4.0.so
No symbol table info available.
#2  0x00007fa0ce836253 in ?? () from /usr/lib/pulse-4.0/modules/libalsa-util.so
No symbol table info available.
#3  0x00007fa0d52eeee8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
No symbol table info available.
#4  0x00007fa0d47f6f6e in start_thread (arg=0x7fa0cd807700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fa0cd807700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140328619243264, 8390806316868314141, 0, 140328755273824, 140328736655136, 4096, -8416177793071963107, -8416232519528864739}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007fa0d3e11e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (Thread 0x7fa0ce008700 (LWP 2181)):
#0  0x00007fa0d3e0549f in __GI_ppoll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, sigmask=<optimized out>) at ../sysdeps/unix/sysv/linux/ppoll.c:57
        resultvar = 18446744073709551102
        oldtype = 0
        tval = {tv_sec = 140328191396384, tv_nsec = 37993168}
        result = <optimized out>
#1  0x00007fa0d55415d0 in pa_rtpoll_run () from /usr/lib/libpulsecore-4.0.so
No symbol table info available.
#2  0x00007fa0ce82fde3 in ?? () from /usr/lib/pulse-4.0/modules/libalsa-util.so
No symbol table info available.
#3  0x00007fa0d52eeee8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
No symbol table info available.
#4  0x00007fa0d47f6f6e in start_thread (arg=0x7fa0ce008700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fa0ce008700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140328627635968, 8390806316868314141, 0, 140328755273824, 140328736655136, 4096, -8416174494000208867, -8416232519528864739}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007fa0d3e11e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (Thread 0x7fa0d5990740 (LWP 2174)):
#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.