[asterisk-users] Abandoned SIP-TCP connection causes Asterisk to crash

[Joshua Colp]

Nasir Iqbal wrote:
> Hi All,
>
> We are using SIP over TCP transport but often we got an Asterisk crash
> with following error.
>
> [Mar  1 11:23:13] WARNING[1509]: chan_sip.c:3755 __sip_xmit: sip_xmit of
> 0x7f294000cac0 (len 680) to Soft.Phone.IP.Address:56780 returned -2:
> Interrupted system call
> ....
> Asterisk uncleanly ending (0).
> Executing last minute cleanups
>    == Destroying musiconhold processes
>    == Manager unregistered action DBGet
>    == Manager unregistered action DBPut
>    == Manager unregistered action DBDel
>    == Manager unregistered action DBDelTree

Interestingly this doesn't appear as though it's a crash. Whatever is 
happening is causing Asterisk to then shutdown normally.

>
> We have tested this issue with Asterisk 11.20 and it can be reproduced
> as following
>
> 1. From client workstation / labptop register a softphone with Asterisk
> over TCP
> 2. Dial into some local asterisk extension. (i.e play voice message in
> loop )
> 3. From client side kill the softphone i.e ( killall zoiper )
> 4. Wait some time, Asterisk will crash....

Please file an issue[1] for this so we can narrow down the problem. I'm 
not aware of any currently open and I don't think I've seen it.

[1] https://issues.asterisk.org/jira

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org