.
Thread 3 (Thread 0x7f0666567700 (LWP 2559)):
#0  0x00007f066a56fab1 in __GI_ppoll (fds=0xbfca50, nfds=3, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:56
        resultvar = 18446744073709551102
        oldtype = 0
        tval = {tv_sec = 13644608, tv_nsec = 139665554983991}
        result = <optimized out>
#1  0x00007f066bcca7a7 in pa_rtpoll_run () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-8.0.so
No symbol table info available.
#2  0x00007f06645e6512 in ?? () from /usr/lib/pulse-8.0/modules/libalsa-util.so
No symbol table info available.
#3  0x00007f066ba6c178 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
No symbol table info available.
#4  0x00007f066af5966a in start_thread (arg=0x7f0666567700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f0666567700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139665463473920, 1016790885741137287, 0, 140724317718783, 8388608, 12384992, -1148258197816701561, -1148268340004876921}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f066a57b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7f0657ffd700 (LWP 2560)):
#0  0x00007f066a56fab1 in __GI_ppoll (fds=0xca43c0, nfds=3, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:56
        resultvar = 18446744073709551102
        oldtype = 0
        tval = {tv_sec = 13192576, tv_nsec = 139665554983991}
        result = <optimized out>
#1  0x00007f066bcca7a7 in pa_rtpoll_run () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-8.0.so
No symbol table info available.
#2  0x00007f06645eca5a in ?? () from /usr/lib/pulse-8.0/modules/libalsa-util.so
No symbol table info available.
#3  0x00007f066ba6c178 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
No symbol table info available.
#4  0x00007f066af5966a in start_thread (arg=0x7f0657ffd700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f0657ffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139665222915840, 1016790885741137287, 0, 140724317718799, 139665222916544, 0, -1148151737388593785, -1148268340004876921}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f066a57b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7f066c08d880 (LWP 2513)):
#0  0x00007f066a4a9227 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
        resultvar = 0
        pid = 2513
        selftid = 2513
#1  0x00007f066a4aae8a in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7ffceef815ca, sa_sigaction = 0x7ffceef815ca}, sa_mask = {__val = {0, 0, 0, 0, 0, 529, 139663746531328, 0, 0, 842, 139665545421763, 18446744073709551615, 0, 18446603349391829841, 140724317721775, 4294967295}}, sa_flags = 1805872981, sa_restorer = 0x7f066ba73270}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f066ba36f5e in pa_cvolume_set () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
No symbol table info available.
#3  0x00007f065475076b in ?? () from /usr/lib/pulse-8.0/modules/module-bluez5-device.so
No symbol table info available.
#4  0x00007f066bcbebbc in pa_hook_fire () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-8.0.so
No symbol table info available.
#5  0x00007f06573ef983 in ?? () from /usr/lib/pulse-8.0/modules/libbluez5-util.so
No symbol table info available.
#6  0x00007f066b7f00f7 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#7  0x00007f066b7f04fc in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#8  0x00007f066b7f05a0 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#9  0x0000000000406f95 in main ()
No symbol table info available.