[asterisk-bugs] [Asterisk 0016847]: Deadlock between dahdi_exception and dahdi_indicate

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=16847 
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Reported By:                shin-shoryuken
Assigned To:                
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Project:                    Asterisk
Issue ID:                   16847
Category:                   Channels/chan_dahdi
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     acknowledged
Asterisk Version:           1.6.1.14 
JIRA:                       SWP-927 
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:             2010-02-16 15:16 CST
Last Modified:              2010-06-11 21:23 CDT
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Summary:                    Deadlock between dahdi_exception and dahdi_indicate
Description: 
I've encountered a deadlock situation between dahdi_exception and
dahdi_indicate, running Asterisk 1.6.1.6 (confirmed as well in 1.6.1.14) on
Debian Lenny x86_64.  Deadlock occurs roughly once a week, usually under
lower call volume (strangely enough).  The issue seems to arise mostly when
swapping between call-waiting lines on a DAHDI channel.
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 (0123299) alecdavis (manager) - 2010-06-11 21:23
 https://issues.asterisk.org/view.php?id=16847#c123299 
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I have seen exactly the same with trunk Asterisk SVN-trunk-r270042M, with
callwaiting and swapping between the 2 calls.

Can very easily be repeated by dialling the same FXS port from a SIP phone
with 2 lines. At the FXS connected phone, hook flash between calls, and
deadlock. 

Issue History 
Date Modified    Username       Field                    Change               
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2010-06-11 21:23 alecdavis      Note Added: 0123299                          
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