[asterisk-bugs] [Asterisk 0019112]: Deadlock ao2_callback / ast_write / handle_incoming

Wed Apr 13 03:10:06 CDT 2011

The following issue has been SUBMITTED. 
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https://issues.asterisk.org/view.php?id=19112 
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Reported By:                irroot
Assigned To:                
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Project:                    Asterisk
Issue ID:                   19112
Category:                   Channels/chan_sip/General
Reproducibility:            random
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           1.8.4-rc2 
JIRA:                        
Regression:                 No 
Reviewboard Link:           https://reviewboard.asterisk.org/r/1171 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2011-04-13 03:10 CDT
Last Modified:              2011-04-13 03:10 CDT
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Summary:                    Deadlock ao2_callback / ast_write / handle_incoming
Description: 

Channel walk is contending a lock on a channel held by ast_write while
sip_write is contending a private lock held by handle incoming that is
contending the channel lock held by the write ...

now if i was holding the channel lock in handle_incoming before i locked
private this would not happen ...
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Issue History 
Date Modified    Username       Field                    Change               
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2011-04-13 03:10 irroot         New Issue                                    
2011-04-13 03:10 irroot         Asterisk Version          => 1.8.4-rc2       
2011-04-13 03:10 irroot         Regression                => No              
2011-04-13 03:10 irroot         Reviewboard Link          =>
https://reviewboard.asterisk.org/r/1171
2011-04-13 03:10 irroot         SVN Branch (only for SVN checkouts, not tarball
releases) => N/A             
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