[asterisk-bugs] [Asterisk 0017610]: [patch] Deadlock is happended.( between channel and sip_pvt lock)

Asterisk Bug Tracker noreply at bugs.digium.com
Thu Jul 29 16:46:03 CDT 2010


The following issue has been UPDATED. 
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https://issues.asterisk.org/view.php?id=17610 
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Reported By:                warmguy
Assigned To:                tilghman
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Project:                    Asterisk
Issue ID:                   17610
Category:                   Channels/chan_sip/General
Reproducibility:            have not tried
Severity:                   major
Priority:                   normal
Status:                     acknowledged
Target Version:             1.6.2.12
Asterisk Version:           SVN 
JIRA:                       SWP-1839 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!): 274052 
Request Review:              
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Date Submitted:             2010-07-08 23:36 CDT
Last Modified:              2010-07-29 16:46 CDT
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Summary:                    [patch] Deadlock is happended.( between channel and
sip_pvt lock)
Description: 
I have been testing asterisk. (Trunk version)
When testing more than 4cps asterisk does not work.

I am confirmed reason for using GDB.
The reason is estimated to deadlock. Help needed.

Between thread ID 24 and thread ID 5 the circular Deadlock occurs.
Thread 24 (Thread 0x8cc8b90 (LWP 1886)):   chan lock(waiting) <-
sip_pvt_lock(acquired) <- monlock(acquired) 
Thread 5 (Thread 0x648ab90 (LWP 1948)): sip_pvt lock(waiting) <- chan
lock(acquired) 

Here is the debugging information.
<removed> pabelanger
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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-07-29 16:46 tilghman       Summary                  Deadlock is happended.(
between channel and sip_pvt lock) => [patch] Deadlock is happended.( between
channel and sip_pvt lock)
======================================================================




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