(gdb) thread apply all bt

Thread 11 (process 1245):
#0  0xb7e813b1 in loser_poll () from /lib/libc.so.6
#1  0xb7e81339 in poll () from /lib/libc.so.6
#2  0x080b5abe in main (argc=0, argv=0xbffffdc4) at asterisk.c:2428

Thread 10 (process 1246):
#0  0xb7e813b1 in loser_poll () from /lib/libc.so.6
#1  0xb7e81339 in poll () from /lib/libc.so.6
#2  0xb7f95be0 in __pthread_manager () from /lib/libpthread.so.0
#3  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 9 (process 1248):
#0  0xb7e813b1 in loser_poll () from /lib/libc.so.6
#1  0xb7e81339 in poll () from /lib/libc.so.6
#2  0x080ba4b6 in listener (unused=0x0) at asterisk.c:584
#3  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#4  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 8 (process 1252):
#0  0xb7f98bd3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f98178 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f9a15e in __pthread_lock () from /lib/libpthread.so.0
#3  0xb7f96c9d in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x080570dc in ast_log (level=0, file=0xb7b45fb3 "chan_sip.c", line=11461, 
    function=0xb7b464fb "sip_devicestate", fmt=0xb7b4b300 "Checking device state for peer %s\n")
    at lock.h:592
#5  0xb7b18e6d in sip_devicestate (data=0xb7b45fb3) at chan_sip.c:11461
#6  0x080c936d in ast_device_state (device=0x817ec84 "SIP/14") at devicestate.c:125
#7  0x080c99a3 in do_devstate_changes (data=0x0) at devicestate.c:185
#8  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#9  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 7 (process 1254):
#0  0xb7e83861 in select () from /lib/libc.so.6
#1  0xb7c2998c in ?? () from /opt/asterisk1.2.2/usr/lib/asterisk/modules/res_features.so
#2  0x00000000 in ?? ()
#3  0x00000000 in ?? ()
#4  0x00000000 in ?? ()
#5  0xb7c24301 in do_parking_thread (ignore=0x0) at channel.h:1146
#6  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 6 (process 1255):
#0  0xb7f9c0fb in read () from /lib/libpthread.so.0
#1  0xb7c161a4 in ?? () from /opt/asterisk1.2.2/usr/lib/asterisk/modules/res_musiconhold.so
#2  0x00000000 in ?? ()
#3  0xb7c13386 in monmp3thread (data=0x812e600) at res_musiconhold.c:495
#4  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#5  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 5 (process 1257):
#0  0xb7e813b1 in loser_poll () from /lib/libc.so.6
#1  0xb7e81339 in poll () from /lib/libc.so.6
#2  0xb7b984a8 in do_monitor (data=0x0) at chan_zap.c:6465
#3  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#4  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 4 (process 1260):
#0  0xb7e58986 in nanosleep () from /lib/libc.so.6
#1  0x00000000 in ?? ()
#2  0xb7e587cf in sleep () from /lib/libc.so.6
#3  0xb7a8e27c in scan_thread (unused=0x0) at pbx_spool.c:365
#4  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#5  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 3 (process 1294):
#0  0xb7e813b1 in loser_poll () from /lib/libc.so.6
#1  0xb7e81339 in poll () from /lib/libc.so.6
#2  0x080bb043 in netconsole (vconsole=0x8125720) at asterisk.c:533
#3  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#4  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 2 (process 2280):
#0  0xb7e0b35e in vfprintf () from /lib/libc.so.6
#1  0xb7e2b630 in vsnprintf () from /lib/libc.so.6
#2  0xb7e14114 in snprintf () from /lib/libc.so.6
#3  0x0805729b in ast_log (level=0, file=0x80f5451 "pbx.c", line=2306, function=0x80f5e24 "__ast_pbx_run", 
    fmt=0x80fb040 "Spawn extension (%s,%s,%d) exited non-zero on '%s'\n") at logger.c:773
#4  0x0808f89a in __ast_pbx_run (c=0x818e5a0) at pbx.c:2306
#5  0x0809018f in pbx_thread (data=0xbe7fd954) at pbx.c:2507
#6  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e8a08a in clone () from /lib/libc.so.6

Thread 1 (process 1259):
#0  ast_rtp_destroy (rtp=0x81a6b68) at rtp.c:1083
#1  0xb7b1f17e in __sip_destroy (p=0x819eb40, lockowner=1) at chan_sip.c:2112
#2  0xb7b14479 in sip_destroy (p=0x45544956) at chan_sip.c:2265
#3  0xb7b1d738 in __sip_autodestruct (data=0x819eb40) at chan_sip.c:1317
#4  0x08056478 in ast_sched_runq (con=0x8129f30) at sched.c:373
#5  0xb7b28eba in do_monitor (data=0x0) at chan_sip.c:11281
#6  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e8a08a in clone () from /lib/libc.so.6
(gdb)