[SR-Users] Kamailio 3.0.4: Segfault at 4 [..] error 4 in dialog.so

[Henning Westerholt]

On Thursday 17 February 2011, Klaus Feichtinger wrote:
> does anybody have an idea, what this error messages could mean?
> 
> Feb 16 11:23:27 SipSrvLstI1 kernel: [429767.707165] kamailio[10758]:
> segfault at 4 ip b78ba6e5 sp bfacece0 error 4 in dialog.so[b78a0000+32000]
> Feb 16 13:40:42 SipSrvLstI1 kernel: [438003.071797] kamailio[24880]:
> segfault at 4 ip b79416e5 sp bff7d460 error 4 in dialog.so[b7927000+32000]
> Feb 16 18:47:25 SipSrvLstI1 kernel: [456406.166885] kamailio[20939]:
> segfault at 4 ip b78d56e5 sp bfd821c0 error 4 in dialog.so[b78bb000+32000]
> 
> I am setting the dialog flag for any incoming call..... Whenever a load
> test is running, this error occurs. I am not sure if it is reproduceable,
> or not. But I think it should be, because in worst case (during a load
> test over night) this error was indicated in a period of 1-2 minutes. But
> I've found this error only yesterday, because the server was down (as a
> result of this error....).
> 
> The daemon (kamailio_3.0.4+lenny1_i386.deb) is running on a virtual
> machine (ESX) with OS Debian Lenny.
> 
> How can I find / deliver additional info to this error / fault for
> analyzation?

Hi Klaus,

try to get hold of a core dump, and analyse it. More informations e.g. here:

http://www.kamailio.org/dokuwiki/doku.php/troubleshooting:corefiles

The backtrace that you get will help a lot in debugging and also fixing the 
issue.

Cheers,

Henning