[asterisk-bugs] [Asterisk 0018837]: [patch] Deadlock with attended transfer of SIP call

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18837 
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Reported By:                alecdavis
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18837
Category:                   Core/RTP
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     ready for testing
Asterisk Version:           1.8.2.3 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2011-02-17 19:25 CST
Last Modified:              2011-02-18 04:50 CST
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Summary:                    [patch] Deadlock with attended transfer of SIP call
Description: 
3 SIP phones.

A calls B, and B answers on line 1.
B puts A on hold by selecting line2.
B calls C, and C answers.
B initiates transfer of line1 to line2, phone uses REFER.


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Relationships       ID      Summary
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has duplicate       0018468 SIP crash on transfer
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 (0132125) alecdavis (manager) - 2011-02-18 04:50
 https://issues.asterisk.org/view.php?id=18837#c132125 
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Just tried with 
 DirectMedia  : Yes
 DTMFmode     : info
no core locks.

    -- Called GXP8924
    -- SIP/GXP8924-00000003 is ringing
    -- SIP/GXP8924-00000003 answered SIP/GXP8923-00000002
    -- Remotely bridging SIP/GXP8923-00000002 and SIP/GXP8924-00000003
    -- Started music on hold, class 'default', on SIP/GXP8924-00000003
    -- Stopped music on hold on SIP/GXP8922-00000000
    -- Stopped music on hold on SIP/GXP8924-00000003
    -- Remotely bridging SIP/GXP8922-00000000 and SIP/GXP8924-00000003
  == Spawn extension (trusted, 8923, 1) exited non-zero on
'SIP/GXP8923-00000002<ZOMBIE>'
astrid*CLI> core show locks

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=== Currently Held Locks ==============================================
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===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock
name> <lock addr> (times locked)
===
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  == Spawn extension (trusted, 8924, 1) exited non-zero on
'SIP/GXP8922-00000000' 

Issue History 
Date Modified    Username       Field                    Change               
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2011-02-18 04:50 alecdavis      Note Added: 0132125                          
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