No subject


Thu Jul 12 09:23:04 CDT 2007


does not deadlock during the night, so at least it happens when there are
open sip channels going on.

Other than that I cannot say.

Luckily I was able to "core show locks" quite a number of times during
deadlocks, as it happens quite often during the day (sometimes more than
once a day).

Something interesting happened on the last deadlock, which happened today.
When I ran "core show locks", it crashed the machine. I will provide here
bt and bt full too so you can figure out what went wrong this time around.
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 putnopvut - 10-11-07 17:35  
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I've examined the core show locks output some more and I was wondering if
the apparent deadlock goes away after a few seconds or if it never does.

The reason I ask is that the problem appears to be that the section of SIP
code that is sending MWI is what is holding the lock, and the manager
command of attempting to show sip peers is what is waiting on the same
lock. Since I know that you use IMAP for your voicemail boxes, it wouldn't
surprise me to know that the MWI could take longer than expected and that
this could cause a stall in the system. I wonder if setting your checkmwi
value larger (like to 60 seconds for instance) clears this up. 

Issue History 
Date Modified   Username       Field                    Change               
====================================================================== 
10-11-07 17:35  putnopvut      Note Added: 0071847                          
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