[OpenSIPS-Users] opensips tm timer core dump

[Bogdan-Andrei Iancu]

Hi Kennard,

Ok, keep the core next time :)

Regards,
Bogdan

Kennard_White at logitech.com wrote:
>
> Hi Bogden,
>
> Thanks for explaining the child processes involved -- I misunderstood 
> what was happening.
>
> Unfortunately, I don't have the core anymore. My recollection is that 
> I couldn't print anything useful due to compiler optimization. That 
> said, this should re-create pretty easily, and I'll get more dumps 
> next time it happens.
>
> Regards,
> Kennard
>
> Inactive hide details for Bogdan-Andrei Iancu ---10/05/2010 01:41:38 
> AM---Hi Kennard, The core was generated by process 22255:Bogdan-Andrei 
> Iancu ---10/05/2010 01:41:38 AM---Hi Kennard, The core was generated 
> by process 22255:
>
> From: Bogdan-Andrei Iancu <bogdan at voice-system.ro>
> To: OpenSIPS users mailling list <users at lists.opensips.org>
> Date: 10/05/2010 01:41 AM
> Subject: Re: [OpenSIPS-Users] opensips tm timer core dump
> Sent by: users-bounces at lists.opensips.org
>
> ------------------------------------------------------------------------
>
>
>
> Hi Kennard,
>
> The core was generated by process 22255:
>    [22238]: INFO:core:handle_sigs: child process 22255 exited by a
> signal 11
>
> and this process also reported mem problems:
>    [22255]: ERROR:tm:new_t: out of mem
>
> Can you print the "tl" or "ptr" variables in frame 0?
>
> Regards,
> Bogdan
>
> Kennard_White at logitech.com wrote:
> >
> > Running against opensips HEAD, I got a segfault in the tm timer code.
> > I believe this is triggered by running out of shared memory.
> >
> >
> > The stack trace:
> >
> > (gdb) where
> > #0 0x00007fe8f8d96212 in insert_timer_unsafe (new_tl=0x7fe8f66337b0,
> > list_id=WT_TIMER_LIST, ext_timeout=<value optimized out>) at timer.c:731
> > #1 set_1timer (new_tl=0x7fe8f66337b0, list_id=WT_TIMER_LIST,
> > ext_timeout=<value optimized out>) at timer.c:904
> > #2 0x00007fe8f8d78ac8 in t_release_transaction (trans=0x7fe8f6633730)
> > at t_funcs.c:122
> > #3 0x00007fe8f8d808e5 in t_unref (p_msg=<value optimized out>)
> > at t_lookup.c:1152
> > #4 0x0000000000483ae5 in exec_post_req_cb ()
> > #5 0x000000000046c1e4 in receive_msg ()
> > #6 0x00000000004bc77c in udp_rcv_loop ()
> > #7 0x000000000042de9c in main ()
> >
> > The offending code (I believe):
> > if (tl->time_out==ptr->time_out) {
> > tl->ld_tl = ptr->ld_tl
> > ptr->ld_tl = 0;
> > tl->ld_tl->ld_tl = tl; <-- SEG FAULT HERE (according to trace)
> > } else {
> > tl->ld_tl = tl;
> > }
> >
> > Unfortunately, due to optimization I cannot dump anything useful, and
> > I'm not convinced the actual fault is on the line indicated. Note that
> > the core dump is not one of the processes that reported out of memory.
> > Maybe one of the other processes left the timer list in a corrupt state?
> >
> > The log file:
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22255]:
> > ERROR:tm:sip_msg_cloner: no more share memory
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22255]:
> > ERROR:tm:new_t: out of mem
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22255]:
> > ERROR:tm:t_newtran: new_t failed
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22254]:
> > WARNING:core:fm_malloc: Not enough free memory, will atempt 
> defragmenation
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22254]:
> > ERROR:tm:sip_msg_cloner: no more share memory
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22254]:
> > ERROR:tm:new_t: out of mem
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22254]:
> > ERROR:tm:t_newtran: new_t failed
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22238]:
> > INFO:core:handle_sigs: child process 22255 exited by a signal 11
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22238]:
> > INFO:core:handle_sigs: core was generated
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22238]:
> > INFO:core:handle_sigs: terminating due to SIGCHLD
> > Sep 29 11:43:36 org-sip01 /var/run/openser/opensips-pres[22256]:
> > INFO:core:sig_usr: signal 15 received
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Users mailing list
> > Users at lists.opensips.org
> > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >  
>
>
> -- 
> Bogdan-Andrei Iancu
> OpenSIPS Bootcamp
> 15 - 19 November 2010, Edison, New Jersey, USA
> www.voice-system.ro
>
>
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-- 
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
15 - 19 November 2010, Edison, New Jersey, USA
www.voice-system.ro