[Asterisk-Dev] clearing 'stuck' channels

John Todd jtodd at loligo.com
Thu Aug 28 13:59:47 MST 2003


Did you find any solutions to this?  I've recently discovered the 
same problem with my server here.  I had 499 "sip show channels" 
entries, and then Asterisk refused to start up any new sessions due 
to "Too many files open".   In fact, 'reload' worked but didn't work, 
due to the inability of the system to open any of the config files. 
I had to shut Asterisk down to get things working again.  My CVS 
version was four days old.

I've updated to CVS as of two hours ago, and am watching to see if 
this happens any more.  I think it has something to do with 
"REGISTER" requests outbound from * not being cleared correctly, 
somehow.

JT


>	I'm seeing a case where I get a large number of 'stuck'
>channels as it relates to users that sit behind poorly behaving
>nat devices.
>
>	these calls tend to be initiated and have unidirectional
>voice (eg: we can hear the user behind the nat, but not the
>other way around ..)
>
>	this means that messages can't be sent to them (and get ACK)
>saying that they will terminate the call, etc..
>
>	is there a way that i'm unaware of to time these out, or
>is this what I think it is which is a bug where the call/channel gets
>stuck until such time as it can be terminated?
>
>	- jared
>
>-- snip --
>
>	peer and dialed numbers munged to protect the innocent ;-)
>
>sip-server*CLI> sip show channels
>Peer             User/ANR    Call ID      Seq (Tx/Rx)  Lag      Jitter  Format
>10.0.0.1    662273    41ac7485598  00577/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00577/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00577/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00577/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00576/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00576/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00576/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00576/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00575/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00575/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00575/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00575/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00574/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00574/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00574/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00574/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00573/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00573/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00573/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00573/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00572/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00572/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00572/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00572/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00571/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00571/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00571/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00571/00000  00000ms  0000ms  UNKN
>10.0.0.1    662596    1a6840f5592  00217/00000  00000ms  0000ms  UNKN
>10.0.0.1    662273    41ac7485598  00217/00000  00000ms  0000ms  UNKN
>10.0.0.1    662100     77f92ccd1cb  00217/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00217/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00216/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00216/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00216/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00216/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00215/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00215/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00215/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00215/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00214/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00214/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00214/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00214/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00212/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00212/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00212/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00212/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00211/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00211/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00211/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00211/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00210/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00210/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00210/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00210/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00209/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00209/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00209/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00209/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00208/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00208/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00208/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00208/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662596    1a6840f5592  00207/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662273    41ac7485598  00207/00000  00000ms  0000ms  UNKN 
>10.0.0.1    662100     77f92ccd1cb  00207/00000  00000ms  0000ms  UNKN 
>10.0.0.1    6620      17fc565515b  00207/00000  00000ms  0000ms  UNKN 
>10.0.0.2   "asterisk"  0d5df4d8420  00104/00103  00000ms  0000ms  UNKN 
>
>
>--
>Jared Mauch  | pgp key available via finger from jared at puck.nether.net
>clue++;      | http://puck.nether.net/~jared/  My statements are only mine.
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