Program terminated with signal 11, Segmentation fault.
#0  0x000000000044249e in INTERNAL_OBJ (user_data=0x72742f504953203a) at astobj2.c:120
120             if (AO2_MAGIC != (p->priv_data.magic) ) {
(gdb) bt
#0  0x000000000044249e in INTERNAL_OBJ (user_data=0x72742f504953203a) at astobj2.c:120
#1  0x0000000000442610 in __ao2_ref_debug (user_data=0x72742f504953203a, delta=1, tag=0x2aaab8b90abc "", file=0x2aaab8b90714 "chan_sip.c", line=8123,
    funcname=0x2aaab8b95d00 "sip_pvt_lock_full") at astobj2.c:212
#2  0x00002aaab8b0b299 in sip_pvt_lock_full (pvt=0xdcfdf18) at chan_sip.c:8123
#3  0x00002aaab8af79f0 in send_provisional_keepalive_full (pvt=0xdcfdf18, with_sdp=0) at chan_sip.c:4154
#4  0x00002aaab8af7bff in send_provisional_keepalive (data=0xdcfdf18) at chan_sip.c:4200
#5  0x000000000054b4af in ast_sched_runq (con=0x2aaab011dad0) at sched.c:640
#6  0x00002aaab8b66c68 in do_monitor (data=0x0) at chan_sip.c:26146
#7  0x0000000000568925 in dummy_start (data=0x2aaab013fd10) at utils.c:1012
#8  0x000000392000677d in start_thread () from /lib64/libpthread.so.0
#9  0x000000391f0d3c1d in clone () from /lib64/libc.so.6
(gdb) bt full
#0  0x000000000044249e in INTERNAL_OBJ (user_data=0x72742f504953203a) at astobj2.c:120
        p = 0x72742f5049531fe2
        __PRETTY_FUNCTION__ = "INTERNAL_OBJ"
#1  0x0000000000442610 in __ao2_ref_debug (user_data=0x72742f504953203a, delta=1, tag=0x2aaab8b90abc "", file=0x2aaab8b90714 "chan_sip.c", line=8123,
    funcname=0x2aaab8b95d00 "sip_pvt_lock_full") at astobj2.c:212
        obj = 0xdcfdf18
#2  0x00002aaab8b0b299 in sip_pvt_lock_full (pvt=0xdcfdf18) at chan_sip.c:8123
        chan = 0x72742f504953203a
        __PRETTY_FUNCTION__ = "sip_pvt_lock_full"
#3  0x00002aaab8af79f0 in send_provisional_keepalive_full (pvt=0xdcfdf18, with_sdp=0) at chan_sip.c:4154
        msg = 0x0
        chan = 0x1b012efe0
        res = 0
        __PRETTY_FUNCTION__ = "send_provisional_keepalive_full"
#4  0x00002aaab8af7bff in send_provisional_keepalive (data=0xdcfdf18) at chan_sip.c:4200
        pvt = 0xdcfdf18
#5  0x000000000054b4af in ast_sched_runq (con=0x2aaab011dad0) at sched.c:640
        current = 0x2aaab01ef460
        when = {tv_sec = 1349911342, tv_usec = 290156}
        numevents = 2
        res = 60000
        __PRETTY_FUNCTION__ = "ast_sched_runq"
#6  0x00002aaab8b66c68 in do_monitor (data=0x0) at chan_sip.c:26146
---Type <return> to continue, or q <return> to quit---
        res = 1
        t = 1349911331
        reloading = 0
        __PRETTY_FUNCTION__ = "do_monitor"
#7  0x0000000000568925 in dummy_start (data=0x2aaab013fd10) at utils.c:1012
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {0, 9175997920219961311, 0, 7, 4096, 1096626176, 9175997920219961071, 9175997919162318537},
              __mask_was_saved = 0}}, __pad = {0x415d21a0, 0x0, 0x0, 0x0}}
        __cancel_routine = 0x43725f <ast_unregister_thread>
        __cancel_arg = 0x415d2940
        not_first_call = 0
        ret = 0x0
        a = {start_routine = 0x2aaab8b66921 <do_monitor>, data = 0x0,
          name = 0x2aaab013fd30 "do_monitor", ' ' <repeats 11 times>, "started at [26175] chan_sip.c restart_monitor()"}
        lock_info = 0xe0d4530
        mutex_attr = {__size = "\001\000\000", __align = 1}
#8  0x000000392000677d in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#9  0x000000391f0d3c1d in clone () from /lib64/libc.so.6
No symbol table info available.