[asterisk-bugs] [JIRA] (ASTERISK-20757) Deadlock with 1.8 certified when abandoning queue calls

[Marc Soda (JIRA)]

Marc Soda created ASTERISK-20757:
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             Summary: Deadlock with 1.8 certified when abandoning queue calls
                 Key: ASTERISK-20757
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20757
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
    Affects Versions: 1.8.11.1
            Reporter: Marc Soda
            Severity: Blocker


We are experiencing an easily reproducible deadlock in Asterisk 1.8.11-cert8.  We have a queue setup with a rrmemory and two agents.  The system is under no load.

Steps to reproduce:

1. Call into queue.

2. Agent 1 rings and rejects call.

3. Agent 2 rings and rejects call.

4. Agent 1 rings and rejects call.

5. Agent 2 rings and rejects call.

6. Caller hangs up.

Asterisk is now in a deadlocked state.  Running 'core show locks' or 'queue show' produces no results.

Note, that if you hang up after step 3 above a lock is still held and shows up in 'core show locks'.

I will post the output of 'core show locks' and the core as well.



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