[SR-Users] DRouting cause Kamailio 3.2 to stop

Daniel-Constantin Mierla miconda at gmail.com
Mon Mar 19 15:18:00 CET 2012


Hello,

On 3/19/12 1:28 PM, Fatima Chahrour~Vanrise Support wrote:
>
> Hi,
>
> Thanks for the reply, it works with no crash now and I can now 
> understand the reason behind the crash;
>
welcome.
>
> Note: After removing 4 from dr_rule table no more crash occurs, yet 
> the call is still ending with Request Timeout. Shall I add this issue 
> in a new post or can I continue here? Because I still need help to 
> know why is my call not successful.
>

Better start a new email thread, with new subject, appropriate to the 
issue you are facing. Attach ngrep traces for such a call.

Cheers,
Daniel

> Thanks in advance,
>
> F.Chahrour
>
> *From:*Daniel-Constantin Mierla [mailto:miconda at gmail.com]
> *Sent:* Friday, March 16, 2012 7:12 PM
> *To:* SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - 
> Users Mailing List
> *Cc:* Fatima Chahrour~Vanrise Support
> *Subject:* Re: [SR-Users] DRouting cause Kamailio 3.2 to stop
>
> Hello,
>
> finally I had the time to look at the documents you sent. The problem 
> is that you have recursive execution of do_routing("0") from 
> do_routing("0").
>
> This happens because you have route[4] like:
>
> route[4] {
>   if (!do_routing("0")) {
>     send_reply("503", "No Rules matching the URI");
>     exit;
>   }
> }
>
> route[4] is executed from request_route. But then, in database 
> dr_routes table, for the prefix 961 you are using for testing, the 
> routeid value is 4, meaning that, when do_routing("0") is matching 
> will execute the route[4] from the config. Which again is calling 
> do_routing("0") that matches again and executes again route[4] and so 
> on ...
>
> At some point the OS kills kamailio, resulting in a crash reported at 
> random lines of code -- these were misleading so far, because at some 
> of them was an impossible code fault crash condition.
>
> So, remove 4 from routeid column in the database dr_rules table.
>
> Cheers,
> Daniel
>
> On 3/2/12 9:57 AM, Daniel-Constantin Mierla wrote:
>
> By the way, in the config you sent in the very first email, you do 
> do_routing("0"), but I could not see rules with id 0. Can you add such 
> rules or use the id from the rules? Just to see if this is related or 
> not, it should not crash even if the id is missing.
>
> Daniel
>
> On 3/1/12 3:52 PM, Fatima Chahrour~Vanrise Support wrote:
>
> Hello,
>
> Full version output is:
>
> debian:/usr/local/etc/kamailio# /usr/local/sbin/kamailio -V
>
> version: kamailio 3.2.2 (i386/linux) 5fc59c
>
> flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, 
> USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, 
> SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX, 
> FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, 
> USE_DST_BLACKLIST, HAVE_RESOLV_RES
>
> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, 
> MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
>
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>
> id: 5fc59c
>
> compiled on 06:46:26 Feb 28 2012 with gcc 4.3.2
>
> Thanks in advance.
>
> F.Chahrour
>
> *From:*Daniel-Constantin Mierla [mailto:miconda at gmail.com]
> *Sent:* Thursday, March 01, 2012 3:44 PM
> *To:* SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - 
> Users Mailing List
> *Cc:* Fatima Chahrour~Vanrise Support
> *Subject:* Re: [SR-Users] DRouting cause Kamailio 3.2 to stop
>
> Hello,
>
> can you send also the full version - -the output of 
> '/usr/local/sbin/kamailio -V'
>
> Based on the backtrace, I could not match a valid line in the source 
> code that could cause a crash.
>
> Also, you haven't sent the output of 'bt full' -- you sent only from 
> 'bt', first part just limited number of printed line. Do 'bt full' in 
> gdb and sent the output.
>
> Cheers,
> Daniel
>
> On 3/1/12 11:02 AM, Fatima Chahrour~Vanrise Support wrote:
>
> Hi Daniel,
>
> Please find output attached.
>
> Waiting your feedback.
>
> Thanks,
>
> F.Chahrour
>
> *From:*Daniel-Constantin Mierla [mailto:miconda at gmail.com]
> *Sent:* Thursday, March 01, 2012 11:34 AM
> *To:* SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - 
> Users Mailing List
> *Cc:* Fatima Chahrour~Vanrise Support
> *Subject:* Re: [SR-Users] DRouting cause Kamailio 3.2 to stop
>
> Hello,
>
> that's the core file, do:
>
> gdb /usr/local/sbin/kamailio /core
>
> The send out the output from the gdb commands:
>
> bt
> bt full
>
> Cheers,
> Daniel
>
> On 3/1/12 10:03 AM, Fatima Chahrour~Vanrise Support wrote:
>
> Dear Daniel,
>
> Thanks for your reply..
>
> I'd like to ask you too if my script in my first post that am using in 
> the routing area is correct?
>
> I found file named core in the '/' location as you mentioned.
>
> When I open it using #cat core, the opened file go crazy and writes 
> strange characters and it ending with the below:
>
> /usr/local/sbin/kamailio-P/var/run/kamailio.pid-f/usr/local/etc/kamailio//kamailio.cfgSSH_AGENT_PID=3234GPG_AGENT_INFO=/tmp/seahorse-jKaZEU/S.gpg-agent:3246:1TERM=xtermDESKTOP_STARTUP_ID=SHELL=/bin/bashGTK_RC_FILES=/etc/gtk/gtkrc:/home/vanrise/.gtkrc-1.2-gnome2WINDOWID=33580848USER=rootGNOME_KEYRING_SOCKET=/tmp/keyring-ZKxFck/socketSSH_AUTH_SOCK=/tmp/keyring-ZKxFck/sshUSERNAME=vanriseSESSION_MANAGER=local/debian:/tmp/.ICE-unix/3188MAIL=/var/mail/rootPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/DESKTOP_SESSION=defaultGDM_XSERVER_LOCATION=localPWD=/usr/local/etc/kamailioLANG=en_US.UTF-8GDM_LANG=en_US.UTF-8GDMSESSION=defaultSHLVL=4HOME=/rootGNOME_DESKTOP_SESSION_ID=DefaultLOGNAME=rootDBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-sH8atcWdX4,guid=f0dcba443f8fd1d5267161364f4dd99dXDG_DATA_DIRS=/usr/local/share/:/usr/share/:/usrdebian:/# 
> 62;9;c62;9
>
> Sorry, I've just realized an info that I should mention and would be 
> helpful, am running this Kamailio on a debian Lenny VMware as a trial 
> before migrating it to its server.
>
> Thank you,
>
> F.Chahrour
>
> *From:*Daniel-Constantin Mierla [mailto:miconda at gmail.com] 
> <mailto:[mailto:miconda at gmail.com]>
> *Sent:* Thursday, March 01, 2012 10:15 AM
> *To:* SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - 
> Users Mailing List
> *Cc:* Fatima Chahrour~Vanrise Support; 
> sr-users-bounces at lists.sip-router.org 
> <mailto:sr-users-bounces at lists.sip-router.org>
> *Subject:* Re: [SR-Users] DRouting cause Kamailio 3.2 to stop
>
> Hello,
>
> have you found the core file in /var/log/? It is a strange location 
> unless you started with -w /var/log. The core file is named usually 
> 'core' or core.pid (replace pid with same number, like, 'core.1234'). 
> The default location in in '/' unless there is a different location 
> set via -w or enforced by operating system (e.g., mac os x puts it in 
> '/corefiles').
>
> Hope it helps to locate the core file and send the backtrace.
>
> Cheers,
> Daniel
>
> On 3/1/12 9:05 AM, Fatima Chahrour~Vanrise Support wrote:
>
> I also tried :  #gdb /usr/local/sbin/kamailio  /var/log/core.file
>                           (gdb) bt
>
> And got No Stack..
>
> BR,
>
> F.Chahrour
>
>
>
> -- 
> Daniel-Constantin Mierla --http://www.asipto.com
> http://linkedin.com/in/miconda  -- http://twitter.com/miconda
>
>
>
> -- 
> Daniel-Constantin Mierla
> Kamailio Advanced Training, April 23-26, 2012, Berlin, Germany
> http://www.asipto.com/index.php/kamailio-advanced-training/

-- 
Daniel-Constantin Mierla
Kamailio Advanced Training, April 23-26, 2012, Berlin, Germany
http://www.asipto.com/index.php/kamailio-advanced-training/

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20120319/f2a415af/attachment-0001.htm>


More information about the sr-users mailing list