#0  0x00007fef58a68b27 in pa_flist_pop (l=0x127d320) at ./pulsecore/atomic.h:86
	idx = <value optimized out>
	len = <value optimized out>
	n = 2
	cells = (struct cell *) 0x127d330
	__func__ = "pa_flist_pop"
	__PRETTY_FUNCTION__ = "pa_flist_pop"
#1  0x00007fef58a45a61 in pa_operation_new (c=0x127a170, s=0x127cca0, cb=0x7fef58c84130 <pulse_stream_success_cb>, userdata=0x126a910) at pulse/operation.c:41
	o = <value optimized out>
	__func__ = "pa_operation_new"
	__PRETTY_FUNCTION__ = "pa_operation_new"
#2  0x00007fef58a4959f in pa_stream_cork (s=0x127cca0, b=1, cb=0x1349d330, userdata=0x1222000) at pulse/stream.c:1343
	o = <value optimized out>
	t = <value optimized out>
	tag = <value optimized out>
	__func__ = "pa_stream_cork"
	__PRETTY_FUNCTION__ = "pa_stream_cork"
#3  0x00007fef58c83630 in pulse_stop (io=<value optimized out>) at pcm_pulse.c:191
	pcm = (snd_pcm_pulse_t *) 0x12834c0
	o = <value optimized out>
	u = <value optimized out>
	err = 0
	err_o = <value optimized out>
	err_u = <value optimized out>
	__PRETTY_FUNCTION__ = "pulse_stop"
#4  0x00007fef58f17037 in snd_pcm_ioplug_drop (pcm=0x12814a0) at pcm_ioplug.c:464
	io = (ioplug_priv_t *) 0x1281390
#5  0x00007fef58ed86f6 in snd_pcm_close (pcm=0x127d320) at pcm.c:688
	res = <value optimized out>
	err = <value optimized out>
	__PRETTY_FUNCTION__ = "snd_pcm_close"
#6  0x00007fef59169071 in outstanding_free (o=0x1235f90) at alsa.c:78
	__PRETTY_FUNCTION__ = "outstanding_free"
#7  0x00007fef59169631 in thread_func (userdata=<value optimized out>) at alsa.c:411
	out = (struct outstanding *) 0x1235f90
	ret = 0
	data = (void *) 0x1283660
	d = <value optimized out>
	fs = 4
	data_size = 16384
	nbytes = 0
	pfd = (struct pollfd *) 0x12819d0
	n_pfd = 2
	p = (struct private *) 0x1231490
	__PRETTY_FUNCTION__ = "thread_func"
#8  0x00007fef5bbd13ea in start_thread () from /lib/libpthread.so.0
#9  0x00007fef5b93ec6d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()