[asterisk-users] Asterisk SIP deadlocks - update_provisional_keepalive

[Duane Larson]

It just happened again on the 11.0.1 box and I was able to grab a debug.  I
am hoping someone can tell me if this is a bug or something wrong with my
config.

gdb asterisk-bin/sbin/asterisk 29048

Go here for the debug output
http://pastebin.com/DGXx0BSk


On Tue, Apr 2, 2013 at 7:42 PM, Duane Larson <duane.larson at gmail.com> wrote:

> I am currently running two different versions of Asterisk
>
> 11.0.1
> 11.2.1
>
> I have noticed the bug occur on both servers.
>
> The issue is that when I try to dial a phone number sometimes the call
> will never go out.  I will check the Asterisk server with NGREP and see
> that the SIP messages are making it to Asterisk but Asterisk isn't
> responding.
>
> I do the following command "netstat -nap |grep 5060" and see that Asterisk
> has a lot under the "Recv-Q" column.
>
> It usually takes about 10 minutes before Asterisk becomes responsive again
> or else before 10 minutes is up I could restart Asterisk and everything
> will be back to normal.
>
> I see in the message logs the following errors
>
> On the 11.0.1 Asterisk server
> WARNING[23723][C-00000010] chan_sip.c: Unable to cancel schedule ID 11473.
>  This is probably a bug (chan_sip.c: update_provisional_keepalive, line
> 4406).
>
> On the 11.2.1 Asterisk server
> WARNING[3493][C-0000001f] chan_sip.c: Unable to cancel schedule ID 30810.
>  This is probably a bug (chan_sip.c: update_provisional_keepalive, line
> 4683).
>
>
> When I look in chan_sip.c on both servers I see that they are the same
> line of code
>
> AST_SCHED_DEL_UNREF(sched, pvt->provisional_keepalive_sched_id,
> dialog_unref(pvt, "when you delete the provisional_keepalive_sched_id, you
> should dec the refcount for the stored dialog ptr"));
>
>
>
> What could be causing this because it seems to happen at least once a day.
>



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Duane
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