.
Thread 3 (process 6692):
#0  0x00007fc8e9b32421 in ?? ()
#1  0x0000000000000005 in ?? ()
#2  0x0000000000000000 in ?? ()
.
Thread 2 (process 6700):
#0  0x00007fc8e4e70537 in __pthread_mutex_cond_lock () from /lib/libpthread.so.0
#1  0x00007fc8e4e6b374 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00007fc8e1ce280b in pa_threaded_mainloop_wait (m=0x24fc980) at pulse/thread-mainloop.c:200
	__func__ = "pa_threaded_mainloop_wait"
	__PRETTY_FUNCTION__ = "pa_threaded_mainloop_wait"
#3  0x00007fc8e1f19302 in pulse_wait_operation (p=0x24fcce0, o=0x2510e60) at pulse.c:93
	err = <value optimized out>
	__PRETTY_FUNCTION__ = "pulse_wait_operation"
#4  0x00007fc8e1f18613 in pulse_stop (io=<value optimized out>) at pcm_pulse.c:206
	pcm = (snd_pcm_pulse_t *) 0x250c360
	o = <value optimized out>
	u = <value optimized out>
	err = 0
	err_o = <value optimized out>
	err_u = <value optimized out>
	__PRETTY_FUNCTION__ = "pulse_stop"
#5  0x00007fc8e21ac037 in snd_pcm_ioplug_drop (pcm=0x2512aa0) at pcm_ioplug.c:464
	io = (ioplug_priv_t *) 0x2510eb0
#6  0x00007fc8e216d6f6 in snd_pcm_close (pcm=0x24fcac0) at pcm.c:688
	res = <value optimized out>
	err = <value optimized out>
	__PRETTY_FUNCTION__ = "snd_pcm_close"
#7  0x00007fc8e23fe071 in outstanding_free (o=0x24c6e10) at alsa.c:78
	__PRETTY_FUNCTION__ = "outstanding_free"
#8  0x00007fc8e23fe631 in thread_func (userdata=<value optimized out>) at alsa.c:411
	out = (struct outstanding *) 0x24c6e10
	ret = 0
	data = (void *) 0x2513c30
	d = <value optimized out>
	fs = 4
	data_size = 16384
	nbytes = 0
	pfd = (struct pollfd *) 0x2511050
	n_pfd = 2
	p = (struct private *) 0x24c6dc0
	__PRETTY_FUNCTION__ = "thread_func"
#9  0x00007fc8e4e673ea in start_thread () from /lib/libpthread.so.0
#10 0x00007fc8e4bd4b9d in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()
.
Thread 1 (process 6699):
#0  0x00007fc8e1cfd9f9 in pa_flist_push (l=0x250fdd0, p=0x2511910) at ./pulsecore/atomic.h:86
	idx = <value optimized out>
	len = <value optimized out>
	n = 38860098
	cells = (struct cell *) 0x250fde0
	__func__ = "pa_flist_push"
	__PRETTY_FUNCTION__ = "pa_flist_push"
#1  0x00007fc8e1cf7410 in pa_queue_pop (q=0x2511d70) at pulsecore/queue.c:113
	p = (void *) 0x250fd70
	e = (struct queue_entry *) 0x2511910
	__func__ = "pa_queue_pop"
	__PRETTY_FUNCTION__ = "pa_queue_pop"
#2  0x00007fc8e1cf5f53 in do_something (p=0x2511230) at pulsecore/pstream.c:474
	__func__ = "do_something"
	__PRETTY_FUNCTION__ = "do_something"
#3  0x00007fc8e1cd866d in pa_mainloop_dispatch (m=0x24fc9c0) at pulse/mainloop.c:679
	dispatched = 0
	__func__ = "pa_mainloop_dispatch"
	__PRETTY_FUNCTION__ = "pa_mainloop_dispatch"
#4  0x00007fc8e1cd88f6 in pa_mainloop_iterate (m=0x24fc9c0, block=<value optimized out>, retval=0x0)
    at pulse/mainloop.c:922
	r = <value optimized out>
	__func__ = "pa_mainloop_iterate"
	__PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#5  0x00007fc8e1cd89b0 in pa_mainloop_run (m=0x24fc9c0, retval=0x0) at pulse/mainloop.c:937
	r = <value optimized out>
#6  0x00007fc8e1ce2d6d in thread (userdata=0x24fc980) at pulse/thread-mainloop.c:91
	mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#7  0x00007fc8e1cff400 in internal_thread_func (userdata=0x2511b40) at pulsecore/thread-posix.c:73
	__func__ = "internal_thread_func"
	__PRETTY_FUNCTION__ = "internal_thread_func"
#8  0x00007fc8e4e673ea in start_thread () from /lib/libpthread.so.0
#9  0x00007fc8e4bd4b9d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()