[asterisk-bugs] [Asterisk 0018850]: Canary failure

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18850 
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Reported By:                viraptor
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18850
Category:                   Core/General
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           1.8.2.3 
JIRA:                        
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:             2011-02-20 14:46 CST
Last Modified:              2011-02-20 14:58 CST
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Summary:                    Canary failure
Description: 
I get a canary failure message ~a minute after asterisk starts up and
receives some messages. The server is handling IAX clients only.

What can I provide to help debugging this?
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 (0132205) viraptor (reporter) - 2011-02-20 14:58
 https://issues.asterisk.org/view.php?id=18850#c132205 
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For completeness in case they do matter - last events before the failure:

[...]
[Feb 20 22:56:52] DEBUG[28734]: devicestate.c:340 _ast_device_state: No
provider found, checking channel drivers for IAX2 - 1000202
[Feb 20 22:56:52] DEBUG[28734]: chan_iax2.c:13889 iax2_devicestate:
Checking device state for device 1000202
[Feb 20 22:56:52] DEBUG[28734]: chan_iax2.c:13897 iax2_devicestate:
iax2_devicestate: Found peer. What's device state of 1000202?
addr=1430796598, defaddr=0 maxms=2000, lastms=33
[Feb 20 22:56:52] DEBUG[28734]: devicestate.c:458 do_state_change:
Changing state for IAX2/1000202 - state 0 (Unknown)
[Feb 20 22:56:52] DEBUG[28734]: devicestate.c:438 devstate_event: device
'IAX2/1000202' state '0'
[Feb 20 22:56:52] DEBUG[28752]: chan_iax2.c:2714 sched_delay_remove:
schedule decrement of callno used for A.B.C.D in 60 seconds
[Feb 20 22:56:52] DEBUG[28741]: chan_iax2.c:2396 peercnt_remove: ip callno
count decremented to 2 for A.B.C.D
[Feb 20 22:56:53] WARNING[28729]: asterisk.c:3108 canary_thread: The
canary is no more.  He has ceased to be!  He's expired and gone to meet his
maker!  He's a stiff!  Bereft of life, he rests in peace.  His metabolic
processes are now history!  He's off the twig!  He's kicked the bucket. 
He's shuffled off his mortal coil, run down the curtain, and joined the
bleeding choir invisible!!  THIS is an EX-CANARY.  (Reducing priority) 

Issue History 
Date Modified    Username       Field                    Change               
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2011-02-20 14:58 viraptor       Note Added: 0132205                          
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