Asterisk restarting during conference call

ralph.collins

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We have an Elastix installation running Asterisk 1.4.24 that we use as a conference bridge. It has been running for well over a year with no issues and in the last month we are experiencing a problem where Asterisk will restart during a conference. No other applications restart, just Asterisk. I have checked the resources during the conferences and the memory usage and CPU Usage are low.

Here is what it looks like in the Asterisk log:

[Jan 12 09:01:18] VERBOSE[29989] logger.c: -- Starting simple switch on 'DAHDI/17-1'
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:1] Set("DAHDI/17-1", "__FROM_DID=8697") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:2] Gosub("DAHDI/17-1", "app-blacklist-check|s|1") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [s@app-blacklist-check:1] LookupBlacklist("DAHDI/17-1", "") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [s@app-blacklist-check:2] GotoIf("DAHDI/17-1", "0?blacklisted") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [s@app-blacklist-check:3] Return("DAHDI/17-1", "") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:3] ExecIf("DAHDI/17-1", "1 |Set|CALLERID(name)=") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:4] Set("DAHDI/17-1", "__CALLINGPRES_SV=allowed_not_screened") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:5] SetCallerPres("DAHDI/17-1", "allowed_not_screened") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:6] Set("DAHDI/17-1", "_RGPREFIX=Trunk") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:7] Set("DAHDI/17-1", "CALLERID(name)=Trunk") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [8697@from-pstn:8] Goto("DAHDI/17-1", "conferences|5555|1") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Goto (conferences,5555,1)
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [5555@conferences:1] Answer("DAHDI/17-1", "") in new stack
[Jan 12 09:01:22] DEBUG[29989] chan_dahdi.c: Took DAHDI/17-1 off hook
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- Executing [5555@conferences:2] CBMySQL("DAHDI/17-1", "") in new stack
[Jan 12 09:01:22] VERBOSE[29989] logger.c: -- <DAHDI/17-1> Playing 'conf-getconfno' (language 'en') <------ last thing before restart
[Jan 12 09:01:27] VERBOSE[30007] logger.c: Asterisk Event Logger Started /var/log/asterisk/event_log
[Jan 12 09:01:27] VERBOSE[30007] logger.c: Asterisk Dynamic Loader Starting:
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Parsing '/etc/asterisk/modules.conf': [Jan 12 09:01:27] VERBOSE[30007] logger.c: Found
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Parsing '/etc/asterisk/dnsmgr.conf': [Jan 12 09:01:27] VERBOSE[30007] logger.c: Found
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Parsing '/etc/asterisk/http.conf': [Jan 12 09:01:27] VERBOSE[30007] logger.c: Found
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Parsing '/etc/asterisk/cdr.conf': [Jan 12 09:01:27] VERBOSE[30007] logger.c: Found
[Jan 12 09:01:27] NOTICE[30007] cdr.c: CDR simple logging enabled.
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Parsing '/etc/asterisk/rtp.conf': [Jan 12 09:01:27] VERBOSE[30007] logger.c: Found
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == RTP Allocating from port range 10000 -> 20000
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Parsing '/etc/asterisk/udptl.conf': [Jan 12 09:01:27] VERBOSE[30007] logger.c: Found
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == UDPTL allocating from port range 4000 -> 4999
[Jan 12 09:01:27] VERBOSE[30007] logger.c: Asterisk PBX Core Initializing
[Jan 12 09:01:27] VERBOSE[30007] logger.c: Registering builtin applications:
[Jan 12 09:01:27] VERBOSE[30007] logger.c: [Answer]
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Registered application 'Answer'
[Jan 12 09:01:27] VERBOSE[30007] logger.c: [BackGround]
[Jan 12 09:01:27] VERBOSE[30007] logger.c: == Registered application 'BackGround'

I'm trying to understand how to narrow down this problem.

Has anyone experienced this or have any idea how to proceed?

Thanks
 

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