[asterisk-bugs] [Asterisk 0016057]: Asterisk crashes with "Fixup failed on channel XXX, strange things may happen."

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=16057 
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Reported By:                amorsen
Assigned To:                
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Project:                    Asterisk
Issue ID:                   16057
Category:                   Core/General
Reproducibility:            sometimes
Severity:                   crash
Priority:                   normal
Status:                     acknowledged
Asterisk Version:           1.6.0.16-rc2 
JIRA:                       SWP-303 
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:             2009-10-12 08:23 CDT
Last Modified:              2010-03-09 04:55 CST
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Summary:                    Asterisk crashes with "Fixup failed on channel XXX,
strange things may happen."
Description: 
[Oct 12 11:26:07] WARNING[1684] channel.c: Fixup failed on channel
Local/1127-0004132c4403-1 at DialLine-3d9b;1<MASQ>, strange things may happen.
[Oct 12 11:26:07] WARNING[1684] channel.c: Hangup failed!  Strange things
may happen!
[Oct 12 11:26:07] WARNING[1684] channel.c: Failed to perform masquerade
[Oct 12 11:26:07] WARNING[1684] channel.c: Channel
'Local/1127-0004132c4403-1 at DialLine-3d9b;1' may not have been hung up
properly

The bug happens several times a day.
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 (0119174) daren (reporter) - 2010-03-09 04:55
 https://issues.asterisk.org/view.php?id=16057#c119174 
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For information, i previously worked with the same dialplan on 1.4.25.1 on
a 686 kernel machine and moved yesterday to a 1.4.29.1 amd64 kernel, and
now i get the same issue on 1.4.29.1 once

If problem occurs again, i will try the DONT_OPTIMIZE flag, i'll keep you
informed

[Mar  9 11:22:34] WARNING[3581] channel.c: Fixup failed on channel
IAX2/sortie1-15429<MASQ>, strange things may happen.
[Mar  9 11:22:34] WARNING[3581] channel.c: Hangup failed!  Strange things
may happen!
[Mar  9 11:22:34] WARNING[3581] channel.c: Masquerade failed
[Mar  9 11:22:34] WARNING[3581] channel.c: Channel 'IAX2/sortie1-15429'
may not have been hung up properly

Then asterisk crashes 

Issue History 
Date Modified    Username       Field                    Change               
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2010-03-09 04:55 daren          Note Added: 0119174                          
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