(gdb) bt full
#0  0x00007f8f94d7df8e in ?? () from /usr/lib64/libodbc.so.2
No symbol table info available.
#1  0x00007f8f94d49072 in ?? () from /usr/lib64/libodbc.so.2
No symbol table info available.
#2  0x00007f8f47825a4b in generic_prepare (obj=0x1352428, data=0x7f8f4001b028) at cdr_adaptive_odbc.c:289
        res = 0
        i = 1
        stmt = 0x0
        nativeerror = 0
        numfields = 0
        diagbytes = 0
        state = "\000\000\000\000\000\000\000\000\245\260"
        diagnostic = '\000' <repeats 32 times>, "\020<\004F\000\000\000\000\022<\004F\217\177\000\000\000\000\004F\217\177\000\000\000\000\000\000\000\000\000\000\017@\004F\217\177", '\000' <repeats 42 times>"\377, \377\377\377\000\000\000\000a4\004F\217\177\000\000\000\000\000\000\000\000\000\000@\204X\005;", '\000' <repeats 11 times>, "\020\071\004F\217\177\000\000\020<\004F\217\177\000\000\000\000\000\000\000\000\000\000\060:\004F\217\177\000\000\020<\004F\217\177\000\000\377\377\377\377\000\000\000\000\003\000\000\000\000\000\000\000\241\223\202G\217\177\000\000@\204X\005;\000\000\000\267\260\001@\217\177\000\000\260\071\004F\217\177\000\000\260C\004F\217\177\000\000\300\231\004F\217\177\000"
        __PRETTY_FUNCTION__ = "generic_prepare"
#3  0x00007f8f94fb768a in ast_odbc_prepare_and_execute (obj=0x1352428, prepare_cb=0x7f8f47825a01 <generic_prepare>, data=0x7f8f4001b028) at res_odbc.c:624
        res = 0
        i = 0
        attempt = 0
        nativeerror = 0
        numfields = 0
        diagbytes = 0
        state = "\227\231\202G\217\177\000\000D\214"
        diagnostic = " :\004F\217\177\000\000\212\224\202G\217\177\000\000\000\000\000\000\000\000\000\000 @\004F\217\177", '\000' <repeats 19 times>, ";\004F\217\177\000\000N\320U\000\000\000\000\000H\020\000\000\000\000\000\000\212\224\202G\217\177\000\000\000\000\000\000\000\000\000\000 @\004F\217\177\000\000\030\000\000\000\060\000\000\000\020;\004F\217\177\000\000@:\004F\217\177\000\000\020;\004F\316\000\000\000P:\004F\217\177\000\000\363\003\000\000\000\000\000\000\377r\v@\217\177\000\000\370q\a@\217\177", '\000' <repeats 19 times>, "#\267\001\000\000\000\000\001", '\000' <repeats 20 times>, "\004\000\000\020<\004F\217\177\000\000\b<\004F\217\177\000\000\200$\267\001\000\000\000\000`o\v@\217\177\000\000\020\244\242G\217\177\000\000\227\231\202Gu\001\000"
        stmt = 0x7f8f46043c10
        __PRETTY_FUNCTION__ = "ast_odbc_prepare_and_execute"
#4  0x00007f8f47828826 in odbc_log (cdr=0x7f8f400b6f60) at cdr_adaptive_odbc.c:690
        first = 0
        tableptr = 0x1b5aad0
        entry = 0x0
        obj = 0x1352428
        sql = 0x7f8f4001b010
        sql2 = 0x7f8f400771e0
        tmp = 0x7f8f46043c1d ""
        colbuf = "1321893386.13\000-20111121173626-1321893386.13\000\217\177", '\000' <repeats 34 times>, "\030\217\004F\217\177\000\000 \217\004F\217\177\000\000(\217\004F\217\177\000\000\060\217\004F\217\177\000\000\070\217\004F\217\177\000\000\000\000\000\000\000\000\000\000@\217\004F\217\177\000\000}W.\005;", '\000' <repeats 27 times>, "IW.\005;\000\000\000\000\000\000\000\000\000\000@", '\000' <repeats 48 times>, "q%\240\373\006\032\027I\001\000\000\000\000\000\000\000\340>\004F\217\177\000\000`=\004F\217\177\000\000 @\004F\217\177\000\000P\266/\005;\000\000\000\224\266/\005;\000\000\000\020@\004F\217\177\000\000 @\004F\217\177\000\000"...
        colptr = 0x7f8f46043c10 "1321893386.13"
        stmt = 0x0
        rows = 0
        __PRETTY_FUNCTION__ = "odbc_log"
#5  0x000000000045eeff in post_cdr (cdr=0x7f8f400b6f60) at cdr.c:1135
        i = 0x1b34840
        __PRETTY_FUNCTION__ = "post_cdr"
#6  0x000000000045f860 in ast_cdr_detach (cdr=0x7f8f400b6f60) at cdr.c:1331
        newtail = 0x0
        curr = 32655
        __PRETTY_FUNCTION__ = "ast_cdr_detach"
---Type <return> to continue, or q <return> to quit---
#7  0x000000000045f028 in ast_cdr_reset (cdr=0x7f8f74172560, _flags=0x7f8f46044270) at cdr.c:1155
        duplicate = 0x7f8f400b6f60
        flags = {flags = 2}
#8  0x00000000005169bb in pbx_builtin_resetcdr (chan=0x7f8f7416e658, data=0x7f8f46046470 "w") at pbx.c:9158
        args = 0x7f8f46044240 "w"
        flags = {flags = 2}
#9  0x00000000004fb800 in pbx_exec (c=0x7f8f7416e658, app=0x18e48c0, data=0x7f8f46046470 "w") at pbx.c:1419
        res = 32655
        u = 0x0
        saved_c_appl = 0x0
        saved_c_data = 0x0
        __PRETTY_FUNCTION__ = "pbx_exec"
#10 0x00000000005052d4 in pbx_extension_helper (c=0x7f8f7416e658, con=0x0, context=0x7f8f7416ebb0 "to-internal-users-self", exten=0x7f8f7416ec00 "3941", priority=367, label=0x0, callerid=0x7f8f4001b270 "1688", 
    action=E_SPAWN, found=0x7f8f46048b60, combined_find_spawn=1) at pbx.c:4115
        e = 0x1c16ea0
        app = 0x18e48c0
        res = 1947590960
        q = {incstack = {0x0 <repeats 128 times>}, stacklen = 0, status = 5, swo = 0x0, data = 0x0, foundcontext = 0x7f8f7416ebb0 "to-internal-users-self"}
        passdata = "w\000### Called user 3941 unreachable (BUSY)\\, offer call completion\000\071_150\000 'Japes, Stefan' >/dev/null 2>&1 &\000ed\000d\000_not_screened\000ot_screened", '\000' <repeats 1871 times>, ">9'\005;\000\000\000@s\004F\217\177\000\000\060s\004F\217\177\000\000!\000\000\000\000\000\000\000\320t\004F\217\177\000\000hQ\037\207\217\177\000\000\274>$\005;", '\000' <repeats 171 times>...
        matching_action = 0
        __PRETTY_FUNCTION__ = "pbx_extension_helper"
#11 0x0000000000506d81 in ast_spawn_extension (c=0x7f8f7416e658, context=0x7f8f7416ebb0 "to-internal-users-self", exten=0x7f8f7416ec00 "3941", priority=367, callerid=0x7f8f4001b270 "1688", found=0x7f8f46048b60, 
    combined_find_spawn=1) at pbx.c:4668
No locals.
#12 0x00000000005077cf in __ast_pbx_run (c=0x7f8f7416e658, args=0x0) at pbx.c:4766
        digit = 0
        invalid = 0
        timeout = 0
        dst_exten = '\000' <repeats 168 times>, " \000\000@\217\177\000\000P\020\000\000\000\000\000\000 \000\000@\217\177\000\000@~\001\000\000\000\000\000\300\221\000@\217\177\000\000\210\000\000@\217\177\000\000\342\200'\005;", '\000' <repeats 11 times>, "H\020", '\000' <repeats 14 times>, "c\000\000\000\000\000\000"
        pos = 0
        found = 1
        res = 0
        autoloopflag = 0
        error = 0
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#13 0x000000000050944b in pbx_thread (data=0x7f8f7416e658) at pbx.c:5101
        c = 0x7f8f7416e658
#14 0x000000000055edda in dummy_start (data=0x7f8f741754e0) at utils.c:1004
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {0, 4569733018001971956, 140254640903760, 140253331757504, 0, 3, 4569733018025040628, -4578894917359789324}, __mask_was_saved = 0}}, __pad = {
            0x7f8f46048e90, 0x0, 0x3b05277a08, 0x0}}
        __cancel_routine = 0x43635d <ast_unregister_thread>
        __cancel_arg = 0x7f8f46049700
        not_first_call = 0
        ret = 0x3b05585850
        a = {start_routine = 0x509426 <pbx_thread>, data = 0x7f8f7416e658, name = 0x7f8f74176a20 "pbx_thread", ' ' <repeats 11 times>, "started at [ 5122] pbx.c ast_pbx_start()"}
        lock_info = 0x7f8f40002a50
        mutex_attr = {__size = "\001\000\000", __align = 1}
#15 0x0000003b05a077e1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#16 0x0000003b052e577d in clone () from /lib64/libc.so.6
No symbol table info available.
(gdb)