[Asterisk-Users] PRI HDLC Abort (6) Errors

[Matt Klein]

ztcfg -vvvv works, too.. after a timing source change... power cycle 
works.

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"Yeah, we rocked the vote all right. Those little
bastards betrayed us again."
- Hunter S. Thompson on the 2004 election.

On Fri, 4 Mar 2005, Steven Critchfield wrote:

> On Fri, 2005-03-04 at 15:27 -0700, Tom wrote:
>> Hello,
>> I have searched and searched, and come up with nothing.  I am running Asterisk
>> with a wcte110p configured for t1.  Our PRI is staying up, and we can make
>> calls however our service provider's logs are flooding with errors and we are
>> getting lots of HDLC Abort (6) on Primary D-Channel Errors.
>>
>> Our provider says it looks like our box is trying to be the master timer on the
>> circuit (which is not correct they are providing the timing) we have tried both
>> span=1,1,0,esf,b8zs and span=1,0,0,esf,b8zs in zaptel.conf both produce the
>> same problems.  The problem is not in "Asterisk" per se as the errors start
>> happening as soon as I modprobe the driver and run ztcfg.  As soon as the
>> circuit comes up the errors start on the provider's end.
>
> Did you make sure to power cycle afterwords? Sometimes the zap cards
> don't change critical settings like timing once configured.
>
>
>
>> We are running CVS Asterisk/zaptel/libpri from March 2nd 2005 on Fedora Core 3
>> fully patched as of last night, I was thinking the problem was with the 2.6
>> kernel getting preempted and therefore the driver not being able to do its
>> timings right, however fc3's kernels have preemption disabled by default.  Does
>> Digium hardware really need/expect a real time OS to run properly?
>> Like I said previously I think the problem is in the driver itself not in
>> asterisk.  Any help would be appreciated, and I can code a bit in c so if
>> someone can point me in the right direction I might be able to fix it myself...
>
> You probably want to dump the FC kernel like a bad habit. Get a plain
> vanilla kernel and see if that fixes your problems.
> -- 
> Steven Critchfield <critch at basesys.com>
>
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