[SR-Users] Kamailio crash

[Daniel-Constantin Mierla]

Hello,

On 5/15/13 6:43 AM, kiran bhosale wrote:
> Hi
>  we  have developed the custom module where in we have  created 
> shared  memory  area  which is not  used  by any other module or 
> process and  we locked it  using  locks as  recommended. but because 
> of  locks the kamailio  is getting crashed every now  and then . is 
> it  really important  to protect the  shared  memory area  with 
> locks.  if yes  then how to avoid  the crash ??
>
> so to locate the  crash  we  built kamailio wit h MM_DBG , and other 
> GCC  debug flags . but we are  getting  error "/No symbol table info  
> available/" . how  to  locate the  bugs.  the kamailio is  built  wit 
> h 1 MB of shared  memory  on MIPS  based VOIP gateway which is  
> having  * MB of flash and  16 MB or memory (RAM) .
set ulimit-c unlimited in order to get a core file, then use gdb to get 
the backtrace from the core. It will show where the crash happened.

Protection to shared memory is needed only when there is potential 
concurrent access.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, San Francisco, USA - June 24-27, 2013
   * http://asipto.com/u/katu *

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