(gdb) bt full
#0  ast_rtp_destroy (rtp=0x81a6b68) at rtp.c:1083
No locals.
#1  0xb7b1f17e in __sip_destroy (p=0x819eb40, lockowner=1) at chan_sip.c:2112
        cur = (struct sip_pvt *) 0xbedfffff
        prev = (struct sip_pvt *) 0x0
        cp = (struct sip_pkt *) 0x819eb5c
#2  0xb7b14479 in sip_destroy (p=0x45544956) at chan_sip.c:2265
No locals.
#3  0xb7b1d738 in __sip_autodestruct (data=0x819eb40) at chan_sip.c:1317
No locals.
#4  0x08056478 in ast_sched_runq (con=0x8129f30) at sched.c:373
        tv = {tv_sec = 1163151702, tv_usec = -1092616193}
        x = 3
        res = 135562792
#5  0xb7b28eba in do_monitor (data=0x0) at chan_sip.c:11281
        res = 135438128
        sip = (struct sip_pvt *) 0x8129f30
        peer = (struct sip_peer *) 0x8129f30
        t = 1137965279
        fastrestart = 0
        lastpeernum = -1
        curpeernum = 8
        reloading = 135438128
#6  0xb7f9673e in pthread_start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7  0xb7e8a08a in clone () from /lib/libc.so.6
No symbol table info available.
(gdb)