[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:           1.4.33 
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:              2010-09-15 05:06 CDT
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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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---------------------------------------------------------------------- 
 (0126976) alecdavis (manager) - 2010-09-15 05:06
 https://issues.asterisk.org/view.php?id=16057#c126976 
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ast_do_masquerade: Hangup failed! Strange things may happen!

Finally caught the following log: 2 planned masq's, but are recursive.
7->10 and 0-7<pre>
[Sep 15 19:57:24] DEBUG[26290] channel.c: Planning to masquerade channel
Local/10007 at phones-3e58;1 into the structure of Local/10010 at phones-7008;1
[Sep 15 19:57:24] DEBUG[26290] channel.c: Done planning to masquerade
channel Local/10007 at phones-3e58;1 into the structure of
Local/10010 at phones-7008;1
[Sep 15 19:57:24] DEBUG[26290] chan_local.c: Not posting to queue since
already masked on 'Local/10010 at phones-7008;2'

[Sep 15 19:57:24] DEBUG[26293] channel.c: Planning to masquerade channel
<u>Local/10000 at phones-5a27;1 into the structure of
Local/10007 at phones-3e58;1</u>
[Sep 15 19:57:24] DEBUG[26293] channel.c: Done planning to masquerade
channel <u>Local/10000 at phones-5a27;1 into the structure of
Local/10007 at phones-3e58;1</u>
[Sep 15 19:57:24] DEBUG[26293] chan_local.c: Not posting to queue since
already masked on 'Local/10007 at phones-3e58;2'

[Sep 15 19:57:24] DEBUG[26293] chan_local.c: Not posting to queue since
already masked on 'Local/10007 at phones-3e58;2'

[Sep 15 19:57:24] DEBUG[26289] channel.c: Putting channel
Local/10007 at phones-3e58;1 in alaw/alaw formats
[Sep 15 19:57:24] DEBUG[26289] channel.c: Released clone lock on
'Local/10010 at phones-7008;1<ZOMBIE>'
[Sep 15 19:57:24] DEBUG[26289] channel.c: Done Masquerading
Local/10007 at phones-3e58;1 (6)

[Sep 15 19:57:24] DEBUG[26293] chan_local.c: Not posting to queue since
already masked on 'Local/10007 at phones-3e58;2'

[Sep 15 19:57:24] DEBUG[26289] chan_local.c: Not posting to queue since
already masked on 'Local/10007 at phones-3e58;1'

<b>[Sep 15 19:57:24] WARNING[26290] channel.c: Fixup failed on channel
Local/10000 at phones-5a27;1<MASQ>, strange things may happen.
[Sep 15 19:57:24] WARNING[26290] channel.c: Hangup failed!  Strange things
may happen!</b></pre>

patch bug16057.diff.txt is for trunk, the key here is to check the
original->masqr if it's set then a planned masq, hasn't yet happened. 

Issue History 
Date Modified    Username       Field                    Change               
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2010-09-15 05:06 alecdavis      Note Added: 0126976                          
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