[sr-dev] [Redis module] Kamailio crashes in case of connection lost to redis server

[Daniel-Constantin Mierla]

Hello,

can you give the full output for 'bt full' with gdb on the core file? 
You gave only partial list of the frames, not being enough to see the 
execution trace.

Cheers,
Daniel

On 11/27/13 6:52 PM, Tuan Viet Nguyen wrote:
> Hello,
>
> I'll try to shut down the redis server to test the behavior of 
> kamailio and it has crashed if a call is received and then cancelled.
>
> *1/The kamailio version is 4.0.4*
>
> *2/ Kamailio log *
> /usr/local/sbin/kamailio[25333]: ERROR: ndb_redis 
> [redis_client.c:364]: redisc_exec(): Redis error: Server closed the 
> connection
> /usr/local/sbin/kamailio[25361]: : <core> [pass_fd.c:293]: 
> receive_fd(): ERROR: receive_fd: EOF on 13
> /usr/local/sbin/kamailio[25328]: ALERT: <core> [main.c:788]: 
> handle_sigs(): child process 25333 exited by a signal 11
> /usr/local/sbin/kamailio[25328]: ALERT: <core> [main.c:791]: 
> handle_sigs(): core was generated
>
> _*3/ Interesting information in the core*_
> #3  0x00007fc79412893d in redisvCommand (c=0x64657461, format=0x9 
> <Address 0x9 out of bounds>, ap=0x30, ap at entry=0x7fff0ff56aa8) at 
> hiredis.c:1304
> No locals.
> #4  0x00007fc794341713 in redisc_exec (srv=srv at entry=0x7fff0ff56be0, 
> res=res at entry=0x7fff0ff56c00, cmd=cmd at entry=0x7fff0ff56bf0) at 
> redis_client.c:368
>         rsrv = 0x7fc794565150
>         rpl = 0x7fc7946fab70
>         c = 0 '\000'
>         ap = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 
> 0x7fff0ff56bb0, reg_save_area = 0x7fff0ff56ac0}}
>         __FUNCTION__ = "redisc_exec"
> #5  0x00007fc79433b781 in w_redis_cmd5 (msg=<optimized out>, 
> ssrv=<optimized out>, scmd=<optimized out>, sargv1=<optimized out>, 
> sargv2=0x7fc7946f7bf0 "p\243_\224\307\177", sres=0x7fc7946f7c50 " 
> \253_\224\307\177") at ndb_redis_mod.c:250
>         s = {{s = 0x7fc7945fb300 "kamailio_redis", len = 14}, {s = 
> 0x7fc7945f5f50 "PUBLISH %s %s", len = 13}, {s = 0x7fc7945fab20 "r", 
> len = 1}}
>         arg1 = {s = 0x7fc7945f5f80 "notification", len = 12}
>         arg2 = {
>           s = 0x7fc794551c60 "info XXX"...,
>           len = 212}
>         c1 = 0 '\000'
>         c2 = 0 '\000'
>         __FUNCTION__ = "w_redis_cmd5"
>
>
> I've found one of post that this issue has been fixed but it seems 
> that it's always the case ..
> http://www.mail-archive.com/search?l=sr-users@lists.sip-router.org&q=subject:%22Re%3A+%5BSR-Users%5D+ndb_redis+module+fails+after+a+while%22
>
> Do you have any idea?
> Thank you
>
>
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> sr-dev at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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