[asterisk-bugs] [Asterisk 0014057]: Deadlock chan_dahdi.c and channel.c

Asterisk Bug Tracker noreply at bugs.digium.com
Mon Dec 15 12:31:09 CST 2008


A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=14057 
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Reported By:                rtrauntvein
Assigned To:                putnopvut
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Project:                    Asterisk
Issue ID:                   14057
Category:                   Channels/chan_dahdi
Reproducibility:            random
Severity:                   crash
Priority:                   normal
Status:                     assigned
Asterisk Version:           1.4.22 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             2008-12-10 17:13 CST
Last Modified:              2008-12-15 12:31 CST
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Summary:                    Deadlock chan_dahdi.c and channel.c
Description: 
I have an asterisk system that has been deadlocking on a weekly basis at
least once, and we cant seem to reliably reproduce it. It is a production
system with about 25 users that is being constantly used.

Running zaptel 1.4.12.1 with a TE220 card.
(Planning on installing the DAHDI release over the weekend as next
troubleshooting step)
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---------------------------------------------------------------------- 
 (0096407) putnopvut (administrator) - 2008-12-15 12:31
 http://bugs.digium.com/view.php?id=14057#c96407 
---------------------------------------------------------------------- 
I've uploaded a v3 of the patch. This new approach is to fix the specific
deadlock encountered here instead of trying to make a generic solution for
all such related deadlocks. The problem is that it appears that such
individual changes are what will be necessary in order to fix this problem,
and spotting them is going to be very difficult. Nevertheless, I will try
to find other similar cases and fix those as well.

Anyway, try the patch and let me know if any problems are encountered. 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2008-12-15 12:31 putnopvut      Note Added: 0096407                          
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