Thanks, I'll try changing cables.<br><br><div class="gmail_quote">On Wed, Sep 12, 2012 at 12:21 PM, Shaun Ruffell <span dir="ltr"><<a href="mailto:sruffell@digium.com" target="_blank">sruffell@digium.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On Wed, Sep 12, 2012 at 12:19:41PM -0300, equis software wrote:<br>
> I have a server with an asterisk ss7 link connected to a Siemens<br>
> working well for over a year.<br>
><br>
> A few days ago I started having problems with signaling. I found<br>
> the following logs in / var / log / messages<br>
><br>
</div><div class="im">> [1018427.030959] dahdi: Master changed to TE2/0/2<br>
</div><div class="im">> [1018427.120740] dahdi: Master changed to TE2/0/1<br>
</div><div class="im">> [1018427.789173] dahdi: Master changed to TE2/0/2<br>
</div><div class="im">> [1018427.884828] dahdi: Master changed to TE2/0/1<br>
</div><div class="im">> [1018431.209621] dahdi: Master changed to TE2/0/2<br>
</div><div class="im">> [1018431.300289] dahdi: Master changed to TE2/0/1<br>
</div><div class="im">> [1018434.763742] dahdi: Master changed to TE2/0/2<br>
><br>
> If I stop the asterisk and dahdi driver just let the messages<br>
> continue to appear.<br>
><br>
> Any ideas??<br>
<br>
</div>My guess is you have a cabling problem and that span TE2/0/1 is<br>
going into and out of alarm.<br>
<br>
Each time it goes into alarm the core of DAHDI will look for a new<br>
span to use as a timing source for asterisk. If TE2/0/1 is the<br>
"preferred" timing source, when it comes out of alarm, DAHDI will<br>
switch the timing back to it.<br>
<br>
--<br>
Shaun Ruffell<br>
Digium, Inc. | Linux Kernel Developer<br>
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA<br>
Check us out at: <a href="http://www.digium.com" target="_blank">www.digium.com</a> & <a href="http://www.asterisk.org" target="_blank">www.asterisk.org</a><br>
<br>
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</blockquote></div><br>