(gdb) bt full
#0  0xb77a8424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6e14781 in raise () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb6e17bb2 in abort () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7771a1f in smb_panic_default (why=0xb777ead9 "internal error") at ../lib/util/fault.c:147
        result = -1217056768
        __FUNCTION__ = "smb_panic_default"
#4  0xb7771a60 in smb_panic (why=0xb777ead9 "internal error") at ../lib/util/fault.c:160
No locals.
#5  0xb777173b in fault_report (sig=11) at ../lib/util/fault.c:77
        counter = 1
        __FUNCTION__ = "fault_report"
#6  0xb7771758 in sig_fault (sig=11) at ../lib/util/fault.c:88
No locals.
#7  <signal handler called>
No symbol table info available.
#8  0xb75a1a2e in pipe_dead (c=0x8401c30, status=...) at ../source4/librpc/rpc/dcerpc_smb.c:46
        smb = 0x0
#9  0xb75a20ad in smb_trans_callback (req=0x87a3bd0) at ../source4/librpc/rpc/dcerpc_smb.c:233
        state = 0x897b848
        c = 0x8401c30
        status = {v = 3221225653}
#10 0xb6b7e97c in smbcli_timeout_handler (ev=0x80e1a58, te=0x8b2f930, t=..., private_data=0x87a3bd0) at ../source4/libcli/raw/clitransport.c:554
        req = 0x87a3bd0
#11 0xb6f37f8a in tevent_common_loop_timer_delay () from /usr/lib/libtevent.so.0
No symbol table info available.
#12 0xb6f37879 in ?? () from /usr/lib/libtevent.so.0
No symbol table info available.
#13 0xb6f33d28 in _tevent_loop_once () from /usr/lib/libtevent.so.0
No symbol table info available.
#14 0xb6f33dbf in tevent_common_loop_wait () from /usr/lib/libtevent.so.0
No symbol table info available.
#15 0xb6f33a98 in _tevent_loop_wait () from /usr/lib/libtevent.so.0
No symbol table info available.
#16 0xb779c1cc in standard_new_task (ev=0x80e1a58, lp_ctx=0x80d8f98, service_name=0xb5e0817b "winbind", new_task=0xb76e2e59 <task_server_callback>, 
    private_data=0x84e9e18) at ../source4/smbd/process_standard.c:199
        pid = 10698
#17 0xb76e3026 in task_server_startup (event_ctx=0x80e1a58, lp_ctx=0x80d8f98, service_name=0xb5e0817b "winbind", model_ops=0xb779d6d8, 
    task_init=0xb5df18df <winbind_task_init>) at ../source4/smbd/service_task.c:110
        state = 0x84e9e18
#18 0xb76e1535 in server_service_init (name=0x80da998 "winbind", event_context=0x80e1a58, lp_ctx=0x80d8f98, model_ops=0xb779d6d8)
    at ../source4/smbd/service.c:63
        srv = 0x80e18a8
#19 0xb76e1682 in server_service_startup (event_ctx=0x80e1a58, lp_ctx=0x80d8f98, model=0x8056111 "standard", server_services=0x80daa18)
    at ../source4/smbd/service.c:95
        status = {v = 0}
        i = 7
        model_ops = 0xb779d6d8
        __FUNCTION__ = "server_service_startup"
#20 0x08052418 in binary_smbd_main (binary_name=0x8055f77 "samba", argc=3, argv=0xbfa4bee4) at ../source4/smbd/server.c:463
        opt_daemon = true
        opt_interactive = false
        opt = -1
        pc = 0x80d8028
        static_init = {0xb76e12fc <server_service_auth_init>, 0xb76e3eed <server_service_echo_init>, 0}
        shared_init = 0x80f56b0
        event_ctx = 0x80e1a58
        stdin_event_flags = 0
        status = {v = 0}
        model = 0x8056111 "standard"
        max_runtime = 0
        long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0xb6f458e0, val = 0, descrip = 0x805611a "Help options:", 
            argDescrip = 0x0}, {longName = 0x8056128 "daemon", shortName = 68 'D', argInfo = 0, arg = 0x0, val = 1000, 
            descrip = 0x805612f "Become a daemon (default)", argDescrip = 0x0}, {longName = 0x8056149 "interactive", shortName = 105 'i', argInfo = 0, 
            arg = 0x0, val = 1001, descrip = 0x8056158 "Run interactive (not a daemon)", argDescrip = 0x0}, {longName = 0x8056177 "model", 
            shortName = 77 'M', argInfo = 1, arg = 0x0, val = 1002, descrip = 0x805617d "Select process model", argDescrip = 0x8056192 "MODEL"}, {
            longName = 0x8056198 "maximum-runtime", shortName = 0 '\000', argInfo = 2, arg = 0xbfa4bdb8, val = 0, 
            descrip = 0x80561a8 "set maximum runtime of the server process, till autotermination", argDescrip = 0x80561e8 "seconds"}, {
            longName = 0x80561f0 "show-build", shortName = 98 'b', argInfo = 0, arg = 0x0, val = 1003, descrip = 0x80561fb "show build info", 
            argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x8057700, val = 0, descrip = 0x805620b "Common samba options:", 
            argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x8057800, val = 0, descrip = 0x805620b "Common samba options:", 
            argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
        __FUNCTION__ = "binary_smbd_main"
#21 0x08052503 in main (argc=3, argv=0xbfa4bee4) at ../source4/smbd/server.c:483
No locals.