#0  0x00697412 in __ast_pthread_mutex_lock (filename=0x6f1e35 "chan_sip.c",
    lineno=1935, func=0x6f23c4 "retrans_pkt",
    mutex_name=0x6f23d0 "&pkt->owner->lock", t=0x40)
    at /dar/build/asterisk-1.4.26/include/asterisk/lock.h:354
354     /dar/build/asterisk-1.4.26/include/asterisk/lock.h: No such file or directory.
        in /dar/build/asterisk-1.4.26/include/asterisk/lock.h
(gdb) bt
#0  0x00697412 in __ast_pthread_mutex_lock (filename=0x6f1e35 "chan_sip.c",
    lineno=1935, func=0x6f23c4 "retrans_pkt",
    mutex_name=0x6f23d0 "&pkt->owner->lock", t=0x40)
    at /dar/build/asterisk-1.4.26/include/asterisk/lock.h:354
#1  0x0069678b in retrans_pkt (data=0x98b2640) at chan_sip.c:1935
#2  0x0810fe79 in ast_sched_runq ()
#3  0x006e2c19 in do_monitor (data=0x0) at chan_sip.c:16788
#4  0x08121a6e in dummy_start ()
#5  0x008b249b in start_thread () from /lib/libpthread.so.0
#6  0x0080942e in clone () from /lib/libc.so.6
(gdb) bt full
#0  0x00697412 in __ast_pthread_mutex_lock (filename=0x6f1e35 "chan_sip.c",
    lineno=1935, func=0x6f23c4 "retrans_pkt",
    mutex_name=0x6f23d0 "&pkt->owner->lock", t=0x40)
    at /dar/build/asterisk-1.4.26/include/asterisk/lock.h:354
        res = 0
        canlog = 1
        __PRETTY_FUNCTION__ = "__ast_pthread_mutex_lock"
#1  0x0069678b in retrans_pkt (data=0x98b2640) at chan_sip.c:1935
        pkt = (struct sip_pkt *) 0x98b2640
        prev = (struct sip_pkt *) 0x9
        cur = (struct sip_pkt *) 0x0
        reschedule = 1000
        xmitres = 0
        __PRETTY_FUNCTION__ = "retrans_pkt"
#2  0x0810fe79 in ast_sched_runq ()
No symbol table info available.
#3  0x006e2c19 in do_monitor (data=0x0) at chan_sip.c:16788
        res = 0
        sip = (struct sip_pvt *) 0x0
        peer = (struct sip_peer *) 0x0
        t = 1248165474
        fastrestart = 0
        lastpeernum = -1
        curpeernum = 140
        reloading = 0
        __PRETTY_FUNCTION__ = "do_monitor"
#4  0x08121a6e in dummy_start ()
No symbol table info available.
#5  0x008b249b in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x0080942e in clone () from /lib/libc.so.6
No symbol table info available.
(gdb) thread apply all bt

Thread 1 (process 29026):
#0  0x00697412 in __ast_pthread_mutex_lock (filename=0x6f1e35 "chan_sip.c",
    lineno=1935, func=0x6f23c4 "retrans_pkt",
    mutex_name=0x6f23d0 "&pkt->owner->lock", t=0x40)
    at /dar/build/asterisk-1.4.26/include/asterisk/lock.h:354
#1  0x0069678b in retrans_pkt (data=0x98b2640) at chan_sip.c:1935
#2  0x0810fe79 in ast_sched_runq ()
#3  0x006e2c19 in do_monitor (data=0x0) at chan_sip.c:16788
#4  0x08121a6e in dummy_start ()
#5  0x008b249b in start_thread () from /lib/libpthread.so.0
#6  0x0080942e in clone () from /lib/libc.so.6