[Asterisk-Users] PRI Advice...

[Matt Loretitsch]

I am using a Dell Optiplex G1.  Unable to ascertain who made the motherboard for them at that time.  It doesn't look familiar internally.  Maybe I'll switch PCI ports and see what comes of it.  Mine doesn't appear the share any interrupts either.  The zttest gives me 99.999% for a 5 minute average, well above their minimum spec.  At least I'm not alone on this.

-Matt

-----Original Message-----
From: Michael Crozier [mailto:crozierm at conducivetech.com] 
Sent: Friday, April 08, 2005 2:13 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] PRI Advice...




> This appears to be a problem with some specific motherboard.  What 
> motherboard (brand AND model) are you using?

I seem to be having a similar problem, where my asterisk machine appears to 
lose sync with the PRI/T1.  This causes the entire T1 (initially coming 
through an Adtran 600R to separate the data/voice channels) to be reset, 
including the data channels.  The problems occurs often.

NOTICE[3646]: chan_zap.c:7395 pri_dchannel: PRI got event: HDLC Bad FCS (8) on 
Primary D-channel of span 1
NOTICE[3646]: chan_zap.c:7395 pri_dchannel: PRI got event: HDLC Abort (6) on 
Primary D-channel of span 1
NOTICE[3646]: chan_zap.c:7395 pri_dchannel: PRI got event: HDLC Abort (6) on 
Primary D-channel of span 1

I am using an TE110P on a Intel SE7210TP1-E motherboard loaded with Debian 
testing, but a stock 2.6.11.6 kernel version.  The TE110P appears to be on 
it's own interrupt. The Zaptel and Asterisk code is from stable/1.0.7 CVS.

The zaptel drivers are proving quite unstable with this combination.  If I 
attempt to rmmod the zap drivers, the machine hangs and is unresponsive to 
keyboard input, ping, or sysreq.  Additionally, I attempted to bypass the 
Adtran unit using the TE110's to separate the data channels into an HDLC 
interface.  I wasn't succesfull, as the HDLC interface triggered similar 
"hanging" problems and I never succeeded in getting packets of the data 
channels.

I'm looking for advice on likely causes of this problem or suggestions for how 
I might further diagnose it.  I welcome any advice regarding my network, 
software, or hardware configuration.  Pointers to helpful documentation or 
archived discussions would also be quite helpful.

Thanks,

 Michael


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