Anton wrote: > I can go to IRC when needed. Just tell me when. > > Regards, Here's a patch. Apply it to your asterisk source tree. > Anton. > > On Monday 10 November 2008 21:09, Matthew Fredrickson wrote: >> Anton wrote: >>> Hi Matthew, >>> >>> One of the ss7 bugs I've discovered on quick tests, and >>> it's critical to normal functionality: >>> >>> short description: ss7 does not release channels on the >>> other side channel reset/failure. >> Crap, yes. I don't know why I still haven't fixed >> that... keep forgetting. Most of the time it's not a >> problem, because if we receive an individual reset (RSC >> message) we *do* actually drop the call. It's only on >> group resets that I still haven't added the code to drop >> it. If you're on AIM, MSN, or anything like that and can >> get in contact with me, I would like to fix this (should >> be just about 5 minutes of coding and a retest from your >> test scenario). >> >> Matthew Fredrickson >> Digium, Inc. >> >>> It means, when there are some amount of calls going >>> through the system, and remote switch just going down >>> abnormally (and than may restore), libss7 asterisk >>> would not release the channels, which was in use. >>> >>> used: asterisk 1.6.0.1 >>> libss7 1.0.2 >>> dahdi-linux 2.0.0 >>> dahdi-tools 2.0.0 >>> >>> To reproduce the error: >>> >>> 1st box asterisk libss7 >>> >>> 2nd box asterisk chan_ss7 (1.4.21.1) >>> >>> (though I think 2nd box version or switchtype does not >>> matter at all, considering the symptoms) >>> >>> Making 5 looped calls, which after 5 calls end up with >>> Echo() app. to test our voice. Than just stopping box2 >>> (chan_ss7) side by "stop now" - and we'll see that on >>> box1 core show channels will have all calls in progress >>> not released. This call wll remain unreleased even when >>> calling party hangup, so making channels stuck forever. >>> This is despite, that libss7 acknowledged the other >>> side by sending reset ask: >>> >>> [Nov 9 22:11:02] DEBUG[10593]: chan_dahdi.c:9494 >>> ss7_linkset: Got Reset for CICs 1 to 15: Acknowledging >>> [Nov 9 22:11:02] DEBUG[10593]: chan_dahdi.c:9494 >>> ss7_linkset: Got Reset for CICs 17 to 31: Acknowledging >>> >>> *CLI> dahdi show channels group 1 >>> Chan Extension Context Language MOH >>> Interpret Blocked State 1 incoming >>> default In >>> Service 2 incoming default >>> In Service 3 >>> incoming default >>> In Service 4 3772059 incoming >>> default In Service 5 >>> incoming default >>> In Service 6 incoming >>> default In Service 7 >>> incoming default >>> In Service 8 incoming >>> default In Service 9 >>> incoming default >>> In Service 10 3772059 incoming >>> default In Service 11 >>> incoming default >>> In Service 12 incoming >>> default In Service 13 >>> incoming default >>> In Service 14 incoming >>> default In Service 15 >>> incoming default >>> In Service 17 incoming >>> default R In Service 18 >>> incoming default >>> In Service 19 incoming >>> default In Service 20 >>> incoming default >>> In Service 21 incoming >>> default In Service 22 >>> incoming default >>> In Service 23 3772059 incoming >>> default In Service 24 >>> incoming default >>> In Service 25 incoming >>> default In Service 26 >>> incoming default >>> In Service 27 3772059 incoming >>> default In Service 28 >>> incoming default >>> In Service 29 3772059 incoming >>> default In Service 30 >>> incoming default >>> In Service 31 incoming >>> default In Service *CLI> >>> >>> while other side is: >>> >>> *CLI> core show channels >>> Channel Location State >>> Application(Data) 0 active channels >>> 0 active calls >>> *CLI> ss7 linestat >>> Linkset: east1 >>> CIC 1 Idle >>> CIC 2 Idle >>> CIC 3 Idle >>> CIC 4 Idle >>> CIC 5 Idle >>> CIC 6 Idle >>> CIC 7 Idle >>> CIC 8 Idle >>> CIC 9 Idle >>> CIC 10 Idle >>> CIC 11 Idle >>> CIC 12 Idle >>> CIC 13 Idle >>> CIC 14 Idle >>> CIC 15 Idle >>> CIC 17 Idle >>> CIC 18 Idle >>> CIC 19 Idle >>> CIC 20 Idle >>> CIC 21 Idle >>> CIC 22 Idle >>> CIC 23 Idle >>> CIC 24 Idle >>> CIC 25 Idle >>> CIC 26 Idle >>> CIC 27 Idle >>> CIC 28 Idle >>> CIC 29 Idle >>> CIC 30 Idle >>> CIC 31 Idle >>> *CLI> >>> >>> and we've asknowledged the reset: >>> >>> [Nov 9 22:11:02] DEBUG[10593]: chan_dahdi.c:9494 >>> ss7_linkset: Got Reset for CICs 1 to 15: Acknowledging >>> [Nov 9 22:11:02] DEBUG[10593]: chan_dahdi.c:9494 >>> ss7_linkset: Got Reset for CICs 17 to 31: >>> >>> There is probably missing channel release on ss7 >>> channel reset and asterisk itself. -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: ss7_hangup_patch_on_grs.diff Url: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20081112/dd8eb046/attachment.txt
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