!@!@!@! thread1.txt !@!@!@!

$1 = {si_signo = 11, si_errno = 0, si_code = 1, _sifields = {_pad = {0, 0, 0, 0, 446807504, -24863, -1266046807, -1, 0 <repeats 20 times>}, _kill = {si_pid = 0, si_uid = 0}, _timer = {si_tid = 0, si_overrun = 0, si_sigval = {sival_int = 0, sival_ptr = 0x0}}, _rt = {si_pid = 0, si_uid = 0, si_sigval = {sival_int = 0, sival_ptr = 0x0}}, _sigchld = {si_pid = 0, si_uid = 0, si_status = 0, si_utime = 1919023617287389184, si_stime = -5437629626975281439}, _sigfault = {si_addr = 0x0}, _sigpoll = {si_band = 0, si_fd = 0}}}
Signal        Stop	Print	Pass to program	Description
SIGSEGV       Yes	Yes	Yes		Segmentation fault

Thread 1 (Thread 0x7f6512dee700 (LWP 6897)):
#0  0x00000000004bc78d in ast_channel_is_multistream (chan=0x0) at channel_internal_api.c:1590
#1  0x0000000000486e11 in bridge_channel_write_frame (bridge_channel=0x7f65851dbd30, frame=0x7f6512ded930) at bridge_channel.c:661
        t38_parameters = 0x7f655a3960b0
        unmapped_stream_num = 40
        deferred = 32613
        __PRETTY_FUNCTION__ = "bridge_channel_write_frame"
#2  0x0000000000488016 in ast_bridge_channel_write_control_data (bridge_channel=0x7f65851dbd30, control=AST_CONTROL_UNHOLD, data=0x0, datalen=0) at bridge_channel.c:1160
        frame = {frametype = AST_FRAME_CONTROL, subclass = {integer = 17, format = 0x0, frame_ending = 0}, datalen = 0, samples = 0, mallocd = 0, mallocd_hdr_len = 0, offset = 0, src = 0x0, data = {ptr = 0x0, uint32 = 0, pad = "000000000000000000000"}, delivery = {tv_sec = 0, tv_usec = 0}, frame_list = {next = 0x0}, flags = 0, ts = 0, len = 0, seqno = 0, stream_num = 0}
#3  0x0000000000488159 in ast_bridge_channel_write_unhold (bridge_channel=0x7f65851dbd30) at bridge_channel.c:1200
        chan = 0x7f655a3960b0
        __PRETTY_FUNCTION__ = "ast_bridge_channel_write_unhold"
#4  0x0000000000478fde in ast_bridge_transfer_attended (to_transferee=0x7f676caadc10, to_transfer_target=0x7f655a3960b0) at bridge.c:4805
        target_complete_sound = 0x688800 <__PRETTY_FUNCTION__.9319> "ast_taskprocessor_execute"
        to_transferee_bridge = 0x7f676c88b900
        to_target_bridge = 0x7f658416bd70
        to_transferee_bridge_channel = 0x7f676c917eb0
        to_target_bridge_channel = 0x7f65851dbd30
        channels = 0x0
        transferee = 0x0
        transfer_msg = 0x7f66e3b4a650
        the_bridge = 0x0
        chan_bridged = 0x0
        chan_unbridged = 0x0
        transfer_prohibited = 0
        do_bridge_transfer = 6847113
        res = 1232
        app = 0x0
        hangup_target = 0
        __PRETTY_FUNCTION__ = "ast_bridge_transfer_attended"
#5  0x00007f66573640db in refer_attended_task (data=0x7f64c8494198) at res_pjsip_refer.c:564
        attended = 0x7f64c8494198
        response = 0
        task_cb = 0x8eddfc0
        __PRETTY_FUNCTION__ = "refer_attended_task"
#6  0x00000000005b3144 in ast_taskprocessor_execute (tps=0x8ede000) at taskprocessor.c:1237
        local = {local_data = 0x7d000, data = 0x5c35bf <ast_threadstorage_set_ptr+60>}
        t = 0x7f64e5cb07c0
        size = 1
        __PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#7  0x00000000005bc8cc in execute_tasks (data=0x8ede000) at threadpool.c:1354
        tps = 0x8ede000
#8  0x00000000005b3144 in ast_taskprocessor_execute (tps=0x17b0450) at taskprocessor.c:1237
        local = {local_data = 0x17aed30, data = 0x17aed58}
        t = 0x7f64bc6efa10
        size = 316595344
        __PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#9  0x00000000005ba788 in threadpool_execute (pool=0x17aed70) at threadpool.c:367
        __PRETTY_FUNCTION__ = "threadpool_execute"
#10 0x00000000005bc1ba in worker_active (worker=0x7f6610031aa0) at threadpool.c:1137
        alive = 0
#11 0x00000000005bbf5a in worker_start (arg=0x7f6610031aa0) at threadpool.c:1056
        worker = 0x7f6610031aa0
        saved_state = ALIVE
        __PRETTY_FUNCTION__ = "worker_start"
#12 0x00000000005c514b in dummy_start (data=0x7f6610026970) at utils.c:1299
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {0, -7628209219766729143, 0, 512000, 0, 140072085022464, -7628209219791894967, 7559587899773929033}, __mask_was_saved = 0}}, __pad = {0x7f6512deddb0, 0x0, 0x0, 0x0}}
        __cancel_routine = 0x4551e4 <ast_unregister_thread>
        __cancel_arg = 0x7f6512dee700
        __not_first_call = 0
        ret = 0x0
        a = {start_routine = 0x5bbed3 <worker_start>, data = 0x7f6610031aa0, name = 0x7f6610031bb0 "worker_start         started at [ 1111] threadpool.c worker_thread_start()"}
        __PRETTY_FUNCTION__ = "dummy_start"
#13 0x00007f6846eb6ea5 in start_thread () at /usr/lib64/libpthread.so.0
#14 0x00007f68462569fd in clone () at /usr/lib64/libc.so.6