[Asterisk-Users] Avoided deadlock

[mattf]

Hello,

I'd suggest posting a bug if you haven't already and if you have purchased
any Digium products I would recommend calling them as well. The
ast_channel_walk_locked error is a rare and hard to diagnose problem and the
bug trackers and Digium would be the best people to help you. 

It might also help to know what kind of SIP client you are using (hard/soft
phone) and what the network you are on is like.

MATT---


-----Original Message-----
From: Paradise Dove [mailto:pardove at gmail.com]
Sent: Wednesday, December 01, 2004 7:56 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Avoided deadlock


but i have already an UltraWide 320 Scsi HardDisk installed on my * box.
seems that this won't be the cause of my problem at least.
i think that it should be something betweeen these two errors:

- NOTICE[6189]: Disconnecting call 'SIP/2502-6303' for lack of RTP
activity in 4794 seconds
- WARNING[6189]: channel.c:495 ast_channel_walk_locked: Avoided
deadlock for 'SIP/2502-6303', 10 retries!

I have these two lines in my sip.conf

rtptimeout=300
rtpholdtimeout=480

it seems that these options don't work as expected.

Paradise Dove


On Wed, 1 Dec 2004 07:11:53 -0500, mattf <mattf at vicimarketing.com> wrote:
> Hello,
> 
> I had this problem a few months ago on a machine that I did a lot of
> recording on. It was caused by slow disk access time. Asterisk would wait
> for something to write to disk and basically freeze everything. It would
> always eventually happen to the same machine no matter if I wiped it
> completely and did a full reinstall. I fixed it by buying 4 new 320-SCSI
> drives and a new 320SCSI RAID card, no problems since then(6 months).
> 
> I did report this to Digium several times, they were even in my machine a
> few times to monitor it, they had no clue what was causing it, and the
> ast_channel_walk_locked bug has no documentation anywhere about it(not
much
> help to look in the code either).
> 
> Hope this helps.
> 
> MATT---
> 
> 
> 
> 
> -----Original Message-----
> From: Bartosz Jozwiak [mailto:bartek at cq-link.sr]
> Sent: Wednesday, December 01, 2004 6:40 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Avoided deadlock
> 
> > at the same time I have also this notice log.
> > this makes my problem more meaningful.
> > i think it might be a bug inside *. (am i right?)
> >
> > Dec  1 12:44:46 NOTICE[6189]: Disconnecting call 'SIP/2502-6303' for
> > lack of RTP activity in 4794 seconds
> > Dec  1 12:44:47 NOTICE[6189]: Disconnecting call 'SIP/2502-6303' for
> > lack of RTP activity in 4795 seconds
> > Dec  1 12:44:47 NOTICE[6189]: Disconnecting call 'SIP/2502-6303' for
> > lack of RTP activity in 4795 seconds
> >
> > Paradise Dove
> >
> > > Dec  1 12:08:43 WARNING[6189]: channel.c:495 ast_channel_walk_locked:
> > > Avoided deadlock for 'SIP/2502-6303', 10 retries!
> > > Dec  1 12:08:44 WARNING[6189]: channel.c:495 ast_channel_walk_locked:
> > > Avoided deadlock for 'SIP/2502-6303', 10 retries!
> > > Dec  1 12:08:44 WARNING[6189]: channel.c:495 ast_channel_walk_locked:
> > > Avoided deadlock for 'SIP/2502-6303', 10 retries!
> > >
> > > what does this warning really mean? I have tones of them!!!!!
> > > does it have any side effect on my * box? 'cose I've recently had
> > > random seg. faults on my box.
> > > I'm using latest CVS -r v1-0
> 
> I have the same problem as you. But so far did not find an asnwer for it.
> 
> Bartosz
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