(gdb) thread apply all bt full
[New Thread 8029]
[New Thread 8050]

Thread 3 (Thread 8050):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S:144
No locals.
#1  0xb762d2e8 in _L_lock_850 () from /localdata/mburton-cn5410-main/build/saos-sim5410/fs/releasefs/debug/ctm10/i486-sim/rootfs/lib/libpthread.so.0
No symbol table info available.
#2  0xb762d12b in __pthread_mutex_lock (mutex=0xb7822e80) at pthread_mutex_lock.c:61
        ignore3 = 0
        ignore1 = -512
        ignore2 = 128
        type = <value optimized out>
        __PRETTY_FUNCTION__ =           "__pthread_mutex_lock"
#3  0xb77283b6 in pthread_mutex_lock (mutex=0xb7822e80) at forward.c:182
        __p = 0xfffffe00
#4  0xb77ffb38 in ust_lock () at ltt-events.c:70
No locals.
#5  0xb77fa05d in ust_listener_thread (arg=0xb781e9a0) at lttng-ust-comm.c:681
        sock_info = 0xb781e9a0
        sock = 0
        ret = 0
        prev_connect_failed = 0
        has_waited = 0
        __func__ =           "ust_listener_thread"
        __PRETTY_FUNCTION__ =           "ust_listener_thread"
#6  0xb762b723 in start_thread (arg=0xb6e21b70) at pthread_create.c:304
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xb6e21b70
        unwind_buf = {
          cancel_jmp_buf =             {{
              jmp_buf =                 {-1218203660,
                0,
                8195840,
                -1226699416,
                119572838,
                106195301}, 
              mask_was_saved = 0
            }}, 
          priv = {
            pad =               {0x0,
              0x0,
              0x0,
              0x0}, 
            data = {
              prev = 0x0, 
              cleanup = 0x0, 
              canceltype = 0
            }
          }
        }
        not_first_call = 0
        robust = <value optimized out>
---Type <return> to continue, or q <return> to quit---
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ =           "start_thread"
#7  0xb771aade in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133
No locals.

Thread 2 (Thread 8029):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S:144
No locals.
#1  0xb762d2e8 in _L_lock_850 () from /localdata/mburton-cn5410-main/build/saos-sim5410/fs/releasefs/debug/ctm10/i486-sim/rootfs/lib/libpthread.so.0
No symbol table info available.
#2  0xb762d12b in __pthread_mutex_lock (mutex=0xb7822e80) at pthread_mutex_lock.c:61
        ignore3 = 5
        ignore1 = -512
        ignore2 = 128
        type = <value optimized out>
        __PRETTY_FUNCTION__ =           "__pthread_mutex_lock"
#3  0xb77283b6 in pthread_mutex_lock (mutex=0xb7822e80) at forward.c:182
        __p = 0xfffffe00
#4  0xb77ffb38 in ust_lock () at ltt-events.c:70
No locals.
#5  0xb77fb5aa in ust_before_fork (save_sigset=0xb761fa60) at lttng-ust-comm.c:1021
        all_sigs = {
          __val =             {2147483647,
            4294967294,
            4294967295 <repeats 30 times>}
        }
        ret = 0
        __func__ =           "ust_before_fork"
#6  0xb77ca647 in fork () at ustfork.c:47
        sigset = {
          __val =             {2147221231,
            4294967294,
            3076651693,
            3076651736,
            3078871104,
            3078398428,
            3078785376,
            4294967295,
            448139,
            3078909940,
            3078783968,
            3078784408,
            3076651728,
            3078847288,
            3078784408,
            3076815328,
            1,
            5,
            0,
            5,
            3078556861,
            189,
            3078549504,
---Type <return> to continue, or q <return> to quit---
            194532,
            3078398428,
            3078743412,
            8029,
            3078715683,
            3076653128,
            3078871104,
            2,
            3078399436}
        }
        retval = 2
        plibc_func = 0xb76e32f0 <__libc_fork>
#7  0xb77f91cd in get_wait_shm (sock_info=0xb78209c0, mmap_size=4096) at lttng-ust-comm.c:472
        wait_shm_fd = -1
        ret = -1216417792
        pid = 193988
        __func__ =           "get_wait_shm"
#8  0xb77f99a1 in get_map_shm (sock_info=0xb78209c0) at lttng-ust-comm.c:581
        mmap_size = 4096
        wait_shm_fd = -1218313384
        ret = -1217231946
        wait_shm_mmap = 0xb7822e80 "\002"
        __func__ =           "get_map_shm"
#9  0xb77f9c87 in wait_for_sessiond (sock_info=0xb78209c0) at lttng-ust-comm.c:615
        ret = -1217231866
        __func__ =           "wait_for_sessiond"
#10 0xb77fa02d in ust_listener_thread (arg=0xb78209c0) at lttng-ust-comm.c:668
        sock_info = 0xb78209c0
        sock = 1
        ret = 0
        prev_connect_failed = 1
        has_waited = 0
        __func__ =           "ust_listener_thread"
        __PRETTY_FUNCTION__ =           "ust_listener_thread"
#11 0xb762b723 in start_thread (arg=0xb7621b70) at pthread_create.c:304
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xb7621b70
        unwind_buf = {
          cancel_jmp_buf =             {{
              jmp_buf =                 {-1218203660,
                0,
                8195840,
                -1218310808,
                119572837,
                106195301}, 
              mask_was_saved = 0
            }}, 
          priv = {
            pad =               {0x0,
              0x0,
              0x0,
---Type <return> to continue, or q <return> to quit---
              0x0}, 
            data = {
              prev = 0x0, 
              cleanup = 0x0, 
              canceltype = 0
            }
          }
        }
        not_first_call = 0
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ =           "start_thread"
#12 0xb771aade in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133
No locals.

Thread 1 (Thread 4238):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S:144
No locals.
#1  0xb762d2e8 in _L_lock_850 () from /localdata/mburton-cn5410-main/build/saos-sim5410/fs/releasefs/debug/ctm10/i486-sim/rootfs/lib/libpthread.so.0
No symbol table info available.
#2  0xb762d12b in __pthread_mutex_lock (mutex=0xb7822e80) at pthread_mutex_lock.c:61
        ignore3 = -1218151504
        ignore1 = -512
        ignore2 = 128
        type = <value optimized out>
        __PRETTY_FUNCTION__ =           "__pthread_mutex_lock"
#3  0xb77283b6 in pthread_mutex_lock (mutex=0xb7822e80) at forward.c:182
        __p = 0xfffffe00
#4  0xb77ffb38 in ust_lock () at ltt-events.c:70
No locals.
#5  0xb77fd8cc in ltt_probe_register (desc=0xb77c3e40) at ltt-probes.c:77
        iter = 0xb77f001c
        ret = 0
        i = -1216595880
        __func__ =           "ltt_probe_register"
        __PRETTY_FUNCTION__ =           "ltt_probe_register"
#6  0xb77c210f in __lttng_events_init__ust_libc () at ../include/lttng/ust-tracepoint-event.h:550
        ret = -1216225080
        __PRETTY_FUNCTION__ =           "__lttng_events_init__ust_libc"
#7  0xb77c2412 in __do_global_ctors_aux () from /localdata/mburton-cn5410-main/build/saos-sim5410/fs/releasefs/debug/ctm10/i486-sim/rootfs/usr/lib/liblttng-ust-libc-wrapper.so.0
No locals.
#8  0xb77c1930 in _init () from /localdata/mburton-cn5410-main/build/saos-sim5410/fs/releasefs/debug/ctm10/i486-sim/rootfs/usr/lib/liblttng-ust-libc-wrapper.so.0
No locals.
#9  0xb7838128 in call_init (l=0xb77c4000, argc=1, argv=0xbfa31814, env=0xbfa3181c) at dl-init.c:70
        init_array = <value optimized out>
#10 0xb783823f in _dl_init (main_map=0xb7847908, argc=1, argv=0xbfa31814, env=0xbfa3181c) at dl-init.c:134
        preinit_array = <value optimized out>
        preinit_array_size = <value optimized out>
        i = 3
#11 0xb782984f in _dl_start_user () from /localdata/mburton-cn5410-main/build/saos-sim5410/fs/releasefs/debug/ctm10/i486-sim/rootfs/lib/ld-linux.so.2
No symbol table info available.