[asterisk-bugs] [JIRA] (ASTERISK-24600) IAX hangs

[Jeff Collell (JIRA)]

Jeff Collell created ASTERISK-24600:
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             Summary: IAX hangs
                 Key: ASTERISK-24600
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24600
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_iax2
    Affects Versions: 13.0.1
         Environment: Ubuntu 14.04.1 LTS (trusty) x86_64
            Reporter: Jeff Collell


Setup:

20 endpoints, register locally over SIP (no NAT)
1 IAX trunk to another remote Asterisk box (unauthenticated, IP restricted on firewalls)
Server randomly gets 2 IAX channels "stuck" (most likely after the call has ended since we haven't had complaints of dropped calls), stops responding to IAX, SIP registrations, etc. High CPU usage on 2 threads (see attached).

Issue seems to be happening randomly with calls over trunk (SIP to IAX and IAX to SIP). I can reproduce it by simply creating lots of channels over the trunk (it's not rare, but more channels just means I get the issue to happen sooner, not a load issue). Happens every few dozen calls made by the client (about daily since this is a small office).

Our next steps will be to configure a SIP trunk between sites to isolate if the issue is IAX specific.



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