[ngoonee@ngoonee-laptop ~]$ LD_BIND_NOW=1 gdb pulseaudio
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...
(gdb) handle SIGXCPU SIGPWR SIG33 SIG34 SIG42 SIG43 SIG44 SIG45 SIG46 SIG47 SIG48 SIG49 SIG50 SIG51 SIG52 SIG53 SIG63 SIG62 SIG61 SIG60 SIG59 SIG58 nostop noprint
Signal        Stop	Print	Pass to program	Description
SIGXCPU       No	No	Yes		CPU time limit exceeded
SIGPWR        No	No	Yes		Power fail/restart
SIG33         No	No	Yes		Real-time event 33
SIG34         No	No	Yes		Real-time event 34
SIG42         No	No	Yes		Real-time event 42
SIG43         No	No	Yes		Real-time event 43
SIG44         No	No	Yes		Real-time event 44
SIG45         No	No	Yes		Real-time event 45
SIG46         No	No	Yes		Real-time event 46
SIG47         No	No	Yes		Real-time event 47
SIG48         No	No	Yes		Real-time event 48
SIG49         No	No	Yes		Real-time event 49
SIG50         No	No	Yes		Real-time event 50
SIG51         No	No	Yes		Real-time event 51
SIG52         No	No	Yes		Real-time event 52
SIG53         No	No	Yes		Real-time event 53
SIG58         No	No	Yes		Real-time event 58
SIG59         No	No	Yes		Real-time event 59
SIG60         No	No	Yes		Real-time event 60
SIG61         No	No	Yes		Real-time event 61
SIG62         No	No	Yes		Real-time event 62
---Type <return> to continue, or q <return> to quit---
SIG63         No	No	Yes		Real-time event 63
(gdb) run
Starting program: /usr/bin/pulseaudio 
[Thread debugging using libthread_db enabled]
W: pid.c: Stale PID file, overwriting.
[New Thread 0x7f3bce0d8740 (LWP 16577)]
E: bluetooth-util.c: Error from ListAdapters reply: org.freedesktop.DBus.Error.ServiceUnknown
[New Thread 0x7f3bc36b2950 (LWP 16581)]
[New Thread 0x7f3bc2284950 (LWP 16609)]
[New Thread 0x7f3bc1a83950 (LWP 16611)]
[New Thread 0x7f3bc1282950 (LWP 16612)]
[Thread 0x7f3bc36b2950 (LWP 16581) exited]
[New Thread 0x7f3bc36b2950 (LWP 16621)]
[New Thread 0x7f3bc385d950 (LWP 16626)]
W: module-jack-source.c: JACK error >zombified - calling shutdown handler<
[Thread 0x7f3bc1282950 (LWP 16612) exited]
[Thread 0x7f3bc2284950 (LWP 16609) exited]
[New Thread 0x7f3bc2284950 (LWP 16736)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f3bc1a83950 (LWP 16611)]
0x00007f3bc228e8c4 in jack_port_get_total_latency ()
   from /usr/lib/libjack.so.0
(gdb) thread apply all bt full

Thread 8 (Thread 0x7f3bc2284950 (LWP 16736)):
#0  0x00007f3bca868e95 in ppoll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f3bcdca4c60 in pa_rtpoll_run (p=0xac9830, wait=true)
    at pulsecore/rtpoll.c:413
	ts = {tv_sec = 2, tv_nsec = 226871000}
	i = <value optimized out>
	r = <value optimized out>
	timeout = {tv_sec = 2, tv_usec = 226871}
	__func__ = "pa_rtpoll_run"
	__PRETTY_FUNCTION__ = "pa_rtpoll_run"
#2  0x00007f3bc0be407f in thread_func (
    userdata=<value optimized out>)
    at modules/module-null-sink.c:238
	ret = <value optimized out>
	u = (struct userdata *) 0xabefe0
	__func__ = "thread_func"
	__PRETTY_FUNCTION__ = "thread_func"
#3  0x00007f3bcd824c50 in internal_thread_func (userdata=0xac4140)
    at pulsecore/thread-posix.c:72
	__func__ = "internal_thread_func"
	__PRETTY_FUNCTION__ = "internal_thread_func"
---Type <return> to continue, or q <return> to quit---
#4  0x00007f3bcaafcfc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#5  0x00007f3bca8715dd in clone () from /lib/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 7 (Thread 0x7f3bc385d950 (LWP 16626)):
#0  0x00007f3bca868c66 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f3bc228d0c6 in jack_client_core_wait ()
   from /usr/lib/libjack.so.0
No symbol table info available.
#2  0x00007f3bc228d50b in jack_thread_wait ()
   from /usr/lib/libjack.so.0
No symbol table info available.
#3  0x00007f3bc228d6aa in jack_client_thread ()
   from /usr/lib/libjack.so.0
No symbol table info available.
#4  0x00007f3bcaafcfc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#5  0x00007f3bca8715dd in clone () from /lib/libc.so.6
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#6  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 6 (Thread 0x7f3bc36b2950 (LWP 16621)):
#0  0x00007f3bca868e95 in ppoll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f3bcdca4c60 in pa_rtpoll_run (p=0xabad40, wait=true)
    at pulsecore/rtpoll.c:413
	ts = {tv_sec = 0, tv_nsec = 0}
	i = <value optimized out>
	r = <value optimized out>
	timeout = {tv_sec = 0, tv_usec = 0}
	__func__ = "pa_rtpoll_run"
	__PRETTY_FUNCTION__ = "pa_rtpoll_run"
#2  0x00007f3bc1000561 in thread_func (
    userdata=<value optimized out>)
    at modules/module-jack-source.c:202
	ret = -514
	u = (struct userdata *) 0xaab9d0
	__func__ = "thread_func"
	__PRETTY_FUNCTION__ = "thread_func"
#3  0x00007f3bcd824c50 in internal_thread_func (userdata=0xaa6a00)
    at pulsecore/thread-posix.c:72
---Type <return> to continue, or q <return> to quit---
	__func__ = "internal_thread_func"
	__PRETTY_FUNCTION__ = "internal_thread_func"
#4  0x00007f3bcaafcfc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#5  0x00007f3bca8715dd in clone () from /lib/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 4 (Thread 0x7f3bc1a83950 (LWP 16611)):
#0  0x00007f3bc228e8c4 in jack_port_get_total_latency ()
   from /usr/lib/libjack.so.0
No symbol table info available.
#1  0x00007f3bc24a2208 in sink_process_msg (o=0xabff70, code=7, 
    data=0x7f3bc1a82ea0, offset=0, memchunk=0x0)
    at modules/module-jack-sink.c:175
	l = <value optimized out>
	ft = <value optimized out>
	d = <value optimized out>
	u = (struct userdata *) 0xabbdd0
	__func__ = "sink_process_msg"
	__PRETTY_FUNCTION__ = "sink_process_msg"
#2  0x00007f3bcdcbd00d in pa_sink_process_msg (o=0xabff70, 
---Type <return> to continue, or q <return> to quit---
    code=<value optimized out>, userdata=<value optimized out>, 
    offset=0, chunk=<value optimized out>) at pulsecore/sink.c:1542
	usec = 0
	sink_nbytes = <value optimized out>
	total_nbytes = <value optimized out>
	i = (pa_sink_input *) 0xac6ca0
	__func__ = "pa_sink_process_msg"
	__PRETTY_FUNCTION__ = "pa_sink_process_msg"
#3  0x00007f3bc24a2151 in sink_process_msg (o=0xabff70, code=10, 
    data=0xac6ca0, offset=0, memchunk=0x7f3bc1a82f90)
    at modules/module-jack-sink.c:195
	u = (struct userdata *) 0xabbdd0
	__func__ = "sink_process_msg"
	__PRETTY_FUNCTION__ = "sink_process_msg"
#4  0x00007f3bcdca3904 in asyncmsgq_read_work (i=0xabd470)
    at pulsecore/rtpoll.c:730
	ret = <value optimized out>
	object = (pa_msgobject *) 0xabff70
	code = 10
	data = (void *) 0xac6ca0
	chunk = {memblock = 0x0, index = 0, length = 0}
	offset = 0
	__func__ = "asyncmsgq_read_work"
---Type <return> to continue, or q <return> to quit---
	__PRETTY_FUNCTION__ = "asyncmsgq_read_work"
#5  0x00007f3bcdca4b5f in pa_rtpoll_run (p=0xabc060, wait=true)
    at pulsecore/rtpoll.c:341
	k = <value optimized out>
	i = (pa_rtpoll_item *) 0xabd470
	r = <value optimized out>
	timeout = {tv_sec = 0, tv_usec = 0}
	__func__ = "pa_rtpoll_run"
	__PRETTY_FUNCTION__ = "pa_rtpoll_run"
#6  0x00007f3bc24a2889 in thread_func (
    userdata=<value optimized out>)
    at modules/module-jack-sink.c:235
	ret = -839773947
	u = (struct userdata *) 0xabbdd0
	__func__ = "thread_func"
	__PRETTY_FUNCTION__ = "thread_func"
#7  0x00007f3bcd824c50 in internal_thread_func (userdata=0xac1b80)
    at pulsecore/thread-posix.c:72
	__func__ = "internal_thread_func"
	__PRETTY_FUNCTION__ = "internal_thread_func"
#8  0x00007f3bcaafcfc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#9  0x00007f3bca8715dd in clone () from /lib/libc.so.6
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 1 (Thread 0x7f3bce0d8740 (LWP 16577)):
#0  0x00007f3bcab02ba1 in sem_wait () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f3bcd824e18 in pa_semaphore_wait (s=0xaab810)
    at pulsecore/semaphore-posix.c:63
	ret = <value optimized out>
	__func__ = "pa_semaphore_wait"
	__PRETTY_FUNCTION__ = "pa_semaphore_wait"
#2  0x00007f3bcdc8635a in pa_asyncmsgq_send (a=0xa7e180, 
    object=<value optimized out>, code=<value optimized out>, 
    userdata=<value optimized out>, offset=<value optimized out>, 
    chunk=<value optimized out>) at pulsecore/asyncmsgq.c:167
	i = {code = 10, object = 0xabff70, userdata = 0xac6ca0, 
  free_cb = 0, offset = 0, memchunk = {memblock = 0x0, index = 0, 
    length = 0}, semaphore = 0xaab810, ret = -1}
	__func__ = "pa_asyncmsgq_send"
	__PRETTY_FUNCTION__ = "pa_asyncmsgq_send"
#3  0x00007f3bcdcb3440 in pa_sink_input_start_move (i=0xac6ca0)
    at pulsecore/sink-input.c:1165
---Type <return> to continue, or q <return> to quit---
	p = (pa_source_output *) 0x0
	r = <value optimized out>
	__func__ = "pa_sink_input_start_move"
	__PRETTY_FUNCTION__ = "pa_sink_input_start_move"
#4  0x00007f3bcdcb38e2 in pa_sink_input_move_to (i=0xac6ca0, 
    dest=0xacb140, save=false) at pulsecore/sink-input.c:1286
	r = -19
	__func__ = "pa_sink_input_move_to"
	__PRETTY_FUNCTION__ = "pa_sink_input_move_to"
#5  0x00007f3bc3aba265 in sink_hook_callback (c=0xa67940, 
    sink=0xabff70, userdata=<value optimized out>)
    at modules/module-rescue-streams.c:80
	target = (pa_sink *) 0xacb140
	__func__ = "sink_hook_callback"
	__PRETTY_FUNCTION__ = "sink_hook_callback"
#6  0x00007f3bcdc9a290 in pa_hook_fire (hook=0xa67b78, 
    data=0xabff70) at pulsecore/hook-list.c:104
	slot = (pa_hook_slot *) 0xaa3cc0
	next = <value optimized out>
	result = PA_HOOK_OK
	__func__ = "pa_hook_fire"
	__PRETTY_FUNCTION__ = "pa_hook_fire"
#7  0x00007f3bcdcb8a2b in pa_sink_unlink (s=0xabff70)
---Type <return> to continue, or q <return> to quit---
    at pulsecore/sink.c:404
	linked = true
	j = <value optimized out>
	__func__ = "pa_sink_unlink"
	__PRETTY_FUNCTION__ = "pa_sink_unlink"
#8  0x00007f3bc24a15bb in module_jack_sink_LTX_pa__done (
    m=<value optimized out>) at modules/module-jack-sink.c:475
	u = (struct userdata *) 0xabbdd0
	__func__ = "module_jack_sink_LTX_pa__done"
	__PRETTY_FUNCTION__ = "module_jack_sink_LTX_pa__done"
#9  0x00007f3bcdc9ba19 in pa_module_free (m=0xaba390)
    at pulsecore/module.c:156
	__func__ = "pa_module_free"
	__PRETTY_FUNCTION__ = "pa_module_free"
#10 0x00007f3bcdc96ab0 in core_process_msg (o=0xa67940, code=0, 
    userdata=0xaba390, offset=<value optimized out>, 
    chunk=<value optimized out>) at pulsecore/core.c:58
No locals.
#11 0x00007f3bcdcc9d7b in asyncmsgq_read_cb (
    api=<value optimized out>, e=<value optimized out>, 
    fd=<value optimized out>, events=<value optimized out>, 
    userdata=<value optimized out>) at pulsecore/thread-mq.c:65
	ret = <value optimized out>
---Type <return> to continue, or q <return> to quit---
	data = (void *) 0xaba390
	chunk = {memblock = 0x0, index = 0, length = 0}
	object = (pa_msgobject *) 0xa67940
	code = 0
	offset = 0
	aq = (pa_asyncmsgq *) 0xab04f0
	__func__ = "asyncmsgq_read_cb"
	__PRETTY_FUNCTION__ = "asyncmsgq_read_cb"
#12 0x00007f3bcda526c4 in pa_mainloop_dispatch (m=0xa654a0)
    at pulse/mainloop.c:683
	dispatched = 0
	__func__ = "pa_mainloop_dispatch"
	__PRETTY_FUNCTION__ = "pa_mainloop_dispatch"
#13 0x00007f3bcda52986 in pa_mainloop_iterate (m=0xa654a0, 
    block=<value optimized out>, retval=0x7fffd610214c)
    at pulse/mainloop.c:926
	r = <value optimized out>
	__func__ = "pa_mainloop_iterate"
	__PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#14 0x00007f3bcda52a40 in pa_mainloop_run (m=0xa654a0, 
    retval=0x7fffd610214c) at pulse/mainloop.c:941
	r = <value optimized out>
#15 0x000000000040b026 in main (argc=1, argv=<value optimized out>)
---Type <return> to continue, or q <return> to quit---
    at daemon/main.c:1054
	c = <value optimized out>
	buf = (pa_strbuf *) 0xa65290
	conf = <value optimized out>
	mainloop = <value optimized out>
	s = <value optimized out>
	r = <value optimized out>
	retval = 0
	d = 1
	suid_root = <value optimized out>
	real_root = <value optimized out>
	valid_pid_file = true
	gid = 4294967295
	ltdl_init = <value optimized out>
	passed_fd = <value optimized out>
	e = <value optimized out>
	daemon_pipe = {-1, -1}
	autospawn_fd = -1
	autospawn_locked = false
	dbus = <value optimized out>
	__func__ = "main"
	__PRETTY_FUNCTION__ = "main"
#0  0x00007f3bc228e8c4 in jack_port_get_total_latency ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/libjack.so.0
(gdb) q
The program is running.  Exit anyway? (y or n) y
[ngoonee@ngoonee-laptop ~]$