Program terminated with signal 11, Segmentation fault.
#0  0x08119b7d in __ast_pthread_mutex_lock (filename=0xefb3d4 "bridge_softmix.c", lineno=174, 
    func=0xefb418 "softmix_bridge_write", mutex_name=0xefb3f9 "&sc->lock", t=0x0) at lock.c:163
163		int canlog = strcmp(filename, "logger.c") & t->tracking;
(gdb) bt full
#0  0x08119b7d in __ast_pthread_mutex_lock (filename=0xefb3d4 "bridge_softmix.c", lineno=174, 
    func=0xefb418 "softmix_bridge_write", mutex_name=0xefb3f9 "&sc->lock", t=0x0) at lock.c:163
        res = 135371527
        lt = 0xb745266c
        canlog = 142584032
        bt = 0x0
        __PRETTY_FUNCTION__ = "__ast_pthread_mutex_lock"
#1  0x00efad67 in softmix_bridge_write (bridge=0x8832b50, bridge_channel=0xb69d4938, frame=0x882e6a0) at bridge_softmix.c:174
        sc = 0x0
        __PRETTY_FUNCTION__ = "softmix_bridge_write"
#2  0x0808ca85 in ast_bridge_handle_trip (bridge=0x8832b50, bridge_channel=0xb69d4938, chan=0x87550a0, outfd=-1) at bridging.c:299
        frame = 0x882e6a0
        __PRETTY_FUNCTION__ = "ast_bridge_handle_trip"
#3  0x007ce644 in multiplexed_thread_function (data=0xb7410c38) at bridge_multiplexed.c:237
        winner = 0x87550a0
        first = 0x87550a0
        to = -1
        outfd = -99999
        multiplexed_thread = 0xb7410c38
        fds = 35
        __PRETTY_FUNCTION__ = "multiplexed_thread_function"
#4  0x08198ae6 in dummy_start (data=0x8816f08) at utils.c:1004
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {14356468, 0, -1235100784, -1235102792, 1935196460, -853501048}, 
              __mask_was_saved = 0}}, __pad = {0xb661d470, 0x0, 0x87fa8e0, 0x87f2020}}
        __cancel_routine = 0x807b1e3 <ast_unregister_thread>
        __cancel_arg = 0xb661db90
        not_first_call = 0
        ret = 0xd9fbdc
        a = {start_routine = 0x7ce385 <multiplexed_thread_function>, data = 0xb7410c38, 
          name = 0x88489e0 "multiplexed_thread_function started at [  278] bridge_multiplexed.c multiplexed_add_or_remove()"}
        lock_info = 0x87fa8e0
        mutex_attr = {__size = "\001\000\000", __align = 1}
#5  0x00da0832 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x001d2e0e in clone () from /lib/libc.so.6