CORE DUMP #1 2008-03-11
(gdb) bt full
#0  0x005efe34 in pthread_mutex_lock () from /lib/tls/libpthread.so.0
No symbol table info available.
#1  0x03b1f8b5 in ast_mutex_lock (pmutex=0x30324035) at /usr/src/asterisk-1.4.18/include/asterisk/lock.h:701
No locals.
#2  0x03b1ee78 in retrans_pkt (data=0x88cabb0) at chan_sip.c:1900
        pkt = (struct sip_pkt *) 0x88cabb0
        prev = (struct sip_pkt *) 0x0
        cur = (struct sip_pkt *) 0x0
        reschedule = 1000
        xmitres = 0
        __PRETTY_FUNCTION__ = "retrans_pkt"
#3  0x080ef5bb in ast_sched_runq (con=0xb7d0a140) at sched.c:359
        current = (struct sched *) 0xb7c25768
        tv = {tv_sec = 1205248661, tv_usec = 942939}
        numevents = 0
        res = 26
#4  0x03b5e744 in do_monitor (data=0x0) at chan_sip.c:15606
        res = 0
        sip = (struct sip_pvt *) 0x0
        peer = (struct sip_peer *) 0x0
        t = 1205248661
        fastrestart = 0
        lastpeernum = -1
        curpeernum = 129
        reloading = 0
        __PRETTY_FUNCTION__ = "do_monitor"
#5  0x080fdc25 in dummy_start (data=0xb7d0dda0) at utils.c:852
        _buffer = {__routine = 0x8069ea8 <ast_unregister_thread>, __arg = 0x7454ba0, __canceltype = 0, __prev = 0x0}
        ret = (void *) 0x0
        a = {start_routine = 0x3b5e144 <do_monitor>, data = 0x0,
  name = 0xb7d0de20 "do_monitor", ' ' <repeats 11 times>, "started at [15660] chan_sip.c restart_monitor()"}
        __PRETTY_FUNCTION__ = "dummy_start"
#6  0x005ee3cc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#7  0x004d2c3e in clone () from /lib/tls/libc.so.6
No symbol table info available.

CORE DUMP #2 2008-03-12
(gdb) bt full
#0  0x005efe34 in pthread_mutex_lock () from /lib/tls/libpthread.so.0
No symbol table info available.
#1  0x00f8f8b5 in ast_mutex_lock (pmutex=0x0) at /usr/src/asterisk-1.4.18/include/asterisk/lock.h:701
No locals.
#2  0x00f8ee78 in retrans_pkt (data=0xb7a37578) at chan_sip.c:1900
        pkt = (struct sip_pkt *) 0xb7a37578
        prev = (struct sip_pkt *) 0x0
        cur = (struct sip_pkt *) 0x0
        reschedule = 1000
        xmitres = 0
        __PRETTY_FUNCTION__ = "retrans_pkt"
#3  0x080ef5bb in ast_sched_runq (con=0xb7c094c8) at sched.c:359
        current = (struct sched *) 0xb7a4de50
        tv = {tv_sec = 1205341632, tv_usec = 113546}
        numevents = 0
        res = 43
#4  0x00fce744 in do_monitor (data=0x0) at chan_sip.c:15606
        res = 0
        sip = (struct sip_pvt *) 0x0
        peer = (struct sip_peer *) 0x0
        t = 1205341632
        fastrestart = 0
        lastpeernum = -1
        curpeernum = 135
        reloading = 0
        __PRETTY_FUNCTION__ = "do_monitor"
#5  0x080fdc25 in dummy_start (data=0xb7c0d158) at utils.c:852
        _buffer = {__routine = 0x8069ea8 <ast_unregister_thread>, __arg = 0x7897ba0, __canceltype = 0, __prev = 0x0}
        ret = (void *) 0x0
        a = {start_routine = 0xfce144 <do_monitor>, data = 0x0,
  name = 0xb7c0d1d8 "do_monitor", ' ' <repeats 11 times>, "started at [15660] chan_sip.c restart_monitor()"}
        __PRETTY_FUNCTION__ = "dummy_start"
#6  0x005ee3cc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#7  0x004d2c3e in clone () from /lib/tls/libc.so.6
No symbol table info available.