#0  0x0066ed34 in pthread_mutex_lock () from /lib/tls/libpthread.so.0
(gdb) bt full
#0  0x0066ed34 in pthread_mutex_lock () from /lib/tls/libpthread.so.0
No symbol table info available.
#1  0x08132f9d in ast_mutex_lock (pmutex=0x21ad) at /usr/src/asterisk_1.4_latest/include/asterisk/lock.h:532
No locals.
#2  0x08133be3 in ast_rtp_lookup_code (rtp=0x39, isAstFormat=1, code=256) at rtp.c:1670
	pt = 0
#3  0x08132137 in bridge_p2p_rtp_write (rtp=0x84bb108, rtpheader=0x84bb18c, len=32, hdrlen=12) at rtp.c:1041
	bridged = (struct ast_rtp *) 0x39
	res = 0
	payload = 18
	bridged_payload = 0
	version = 2
	padding = 0
	mark = 0
	ext = 0
	rtpPT = {isAstFormat = 1, code = 256}
	seqno = 6653
	__PRETTY_FUNCTION__ = "bridge_p2p_rtp_write"
#4  0x081386db in p2p_rtp_callback (id=0x840d450, fd=15, events=1, cbdata=0x84bb108) at rtp.c:2896
	res = 32
	hdrlen = 12
	sin = {sin_family = 2, sin_port = 29225, sin_addr = {s_addr = 2787244863}, sin_zero = "\000\000\000\000\000\000\000"}
	len = 16
	header = (unsigned int *) 0x84bb18c
	rtp = (struct ast_rtp *) 0x84bb108
	__PRETTY_FUNCTION__ = "p2p_rtp_callback"
#5  0x08112083 in ast_io_wait (ioc=0x83fb880, howlong=169) at io.c:279
	res = 1
	x = 13
	origcnt = 20
#6  0x00cacfcd in do_monitor (data=0x0) at chan_sip.c:14866
	res = 169
	sip = (struct sip_pvt *) 0x0
	peer = (struct sip_peer *) 0x0
	t = 1166122488
	fastrestart = 0
	lastpeernum = -1
	curpeernum = 8
	reloading = 0
	__PRETTY_FUNCTION__ = "do_monitor"
#7  0x0815cf09 in dummy_start (data=0x83fd8f0) at utils.c:545
	_buffer = {__routine = 0x80d9e95 <ast_unregister_thread>, __arg = 0xab5bb0, __canceltype = 0, __prev = 0x0}
	ret = (void *) 0x0
	a = {start_routine = 0xcaca62 <do_monitor>, data = 0x0, 
  name = 0x83fd900 "do_monitor", ' ' <repeats 11 times>, "started at [14925] chan_sip.c restart_monitor()"}
#8  0x0066d371 in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#9  0x00558ffe in clone () from /lib/tls/libc.so.6
No symbol table info available.
(gdb) quit