[Asterisk-Dev] bug in res_monitor ?

[Alexandru Coseru]

Here is what I've got when exit from an custom application the does some monitoring on a channel (using pbx_findapp and pbx_exec).


  == Spawn extension (default, 16173, 1) exited non-zero on 'Zap/31-1'
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:2498 zt_setoption: Set option AUDIO MODE, value: ON(1) on Zap/31-1
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:2003 zt_hangup: Hangup: channel: 31 index = 0, normal = 43, callwait = -1, thirdcall = -1
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:2140 zt_hangup: Not yet hungup...  Calling hangup once with icause, and clearing call
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:1290 zt_disable_ec: disabled echo cancellation on channel 31
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:2410 zt_setoption: Set option TDD MODE, value: OFF(0) on Zap/31-1
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:1227 update_conf: Updated conferencing on 31, with 0 conference users
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:2492 zt_setoption: Set option AUDIO MODE, value: OFF(0) on Zap/31-1
Jan  7 15:04:08 DEBUG[23888]: chan_zap.c:1290 zt_disable_ec: disabled echo cancellation on channel 31
    -- Hungup 'Zap/31-1'
Segmentation fault (core dumped)


Here is the gdb output:


Reading symbols from /usr/lib/asterisk/modules/app_while.so...done.
Loaded symbols for /usr/lib/asterisk/modules/app_while.so
Reading symbols from /usr/lib/asterisk/modules/cdr_pgsql.so...done.
Loaded symbols for /usr/lib/asterisk/modules/cdr_pgsql.so
#0  0xb7e6edce in mallopt () from /lib/tls/libc.so.6
(gdb) bt
#0  0xb7e6edce in mallopt () from /lib/tls/libc.so.6
#1  0xb7e6ec62 in mallopt () from /lib/tls/libc.so.6
#2  0xb7e6cdda in free () from /lib/tls/libc.so.6
#3  0xb5af2ccc in ast_monitor_stop (chan=0x8118818, need_lock=0) at res_monitor.c:258
#4  0x0805c92d in ast_channel_free (chan=0x8136288) at channel.c:642
#5  0x0805cd20 in ast_hangup (chan=0x8136288) at channel.c:790
#6  0x0807f766 in ast_pbx_run (c=0x8136288) at pbx.c:2060
#7  0x08088fc1 in pbx_thread (data=0x80ee041) at pbx.c:2072
#8  0xb7fd6b3c in start_thread () from /lib/tls/libpthread.so.0
#9  0xb7ec993a in clone () from /lib/tls/libc.so.6
(gdb) bt full
#0  0xb7e6edce in mallopt () from /lib/tls/libc.so.6
No symbol table info available.
#1  0xb7e6ec62 in mallopt () from /lib/tls/libc.so.6
No symbol table info available.
#2  0xb7e6cdda in free () from /lib/tls/libc.so.6
No symbol table info available.
#3  0xb5af2ccc in ast_monitor_stop (chan=0x8118818, need_lock=0) at res_monitor.c:258
        tmp = '\0' <repeats 1023 times>
        dir = 0x0
        tmp2 = '\0' <repeats 1023 times>
        format = 0x0
        name = 0x0
        filename = '\0' <repeats 64 times>, "G~ý·\000\000\000\000\000\000\000\000\210b\023\bù\033\016\b\002\000\000\000èX¨¬\234\036\n\b\214\022\020\b", '\0' <repeats 52 times>, "d\214æ·¤®å·\000\000\000\000¡1ä·\000\000\000\000\030bò·Ê\020¯¬\000\000\000\000üN¨¬ÉDä· O¨¬Ê\020¯¬", '\0' <repeats 40 times>, "èN¨¬¸J¨¬\000\000\000\000\000\000\000\000XVä·", '\0' <repeats 174 times>, "d ", '\0' <repeats 48 times>, "\n", '\0' <repeats 15 times>, "s\000\000\000\001\000\000\000<P¨¬èN¨¬\000\000\000\000È\020¯¬\001\000\000\000ÿÿÿÿ", '\0' <repeats 92 times>...
        execute = Variable "execute" is not available.




Sistem info:

Glibc: glibc-2.3.3-23.1.101mdk    
Asterisk CVS-HEAD-01/07/05-14:19:20 built by root at voce1 on a i686 running Linux
Linux voce1 2.6.9 #5 SMP Wed Dec 22 13:28:40 EET 2004 i686 unknown unknown GNU/Linux



Any clues ?

Thanks
    Alex
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