[asterisk-bugs] [Asterisk 0017643]: [patch] dialplan reload deadlocks in ast_rdlock_contexts when calling ast_hint_state_changed

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=17643 
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Reported By:                zerohalo
Assigned To:                tilghman
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Project:                    Asterisk
Issue ID:                   17643
Category:                   Channels/chan_sip/General
Reproducibility:            have not tried
Severity:                   major
Priority:                   normal
Status:                     closed
Target Version:             1.4.36
Asterisk Version:           SVN 
JIRA:                       SWP-1855 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
Resolution:                 fixed
Fixed in Version:           
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Date Submitted:             2010-07-14 13:45 CDT
Last Modified:              2010-08-05 02:47 CDT
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Summary:                    [patch] dialplan reload deadlocks in
ast_rdlock_contexts when calling ast_hint_state_changed
Description: 
asterisk 1.4.33-rc2, odbc-mysql realtime

when reloading, if a devicestate callback for ast_hint_state_changed,
asterisk deadlocks chan_sip.

attaching core show locks and backtrace
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Relationships       ID      Summary
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related to          0016382 SIP OPTIONS qualify message forever
related to          0017122 Using pattern match in a hint causes de...
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 (0125568) svnbot (reporter) - 2010-08-05 02:47
 https://issues.asterisk.org/view.php?id=17643#c125568 
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Repository: asterisk
Revision: 280985

_U  trunk/
U   trunk/include/asterisk/pbx.h
U   trunk/main/pbx.c

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r280985 | tilghman | 2010-08-05 02:47:28 -0500 (Thu, 05 Aug 2010) | 29
lines

Merged revisions 280984 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r280984 | tilghman | 2010-08-05 02:46:36 -0500 (Thu, 05 Aug 2010) | 22
lines
  
  Merged revisions 280983 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
  ................
    r280983 | tilghman | 2010-08-05 02:40:47 -0500 (Thu, 05 Aug 2010) | 15
lines
    
    Merged revisions 280982 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
    ........
      r280982 | tilghman | 2010-08-05 02:28:33 -0500 (Thu, 05 Aug 2010) |
8 lines
      
      Change context lock back to a mutex, because functionality depends
upon the lock being recursive.
      
      (closes issue https://issues.asterisk.org/view.php?id=17643)
       Reported by: zerohalo
       Patches: 
             20100726__issue17643.diff.txt uploaded by tilghman (license
14)
       Tested by: zerohalo
    ........
  ................
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http://svn.digium.com/view/asterisk?view=rev&revision=280985 

Issue History 
Date Modified    Username       Field                    Change               
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2010-08-05 02:47 svnbot         Note Added: 0125568                          
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