[asterisk-users] kernel: dahdi: Master changed to TE2/0/2 --- Is a normal message

[equis software]

Thanks, I'll try changing cables.

On Wed, Sep 12, 2012 at 12:21 PM, Shaun Ruffell <sruffell at digium.com> wrote:

> On Wed, Sep 12, 2012 at 12:19:41PM -0300, equis software wrote:
> > I have a server with an asterisk ss7 link connected to a Siemens
> > working well for over a year.
> >
> > A few days ago I started having problems with signaling.  I found
> > the following logs in / var / log / messages
> >
> > [1018427.030959] dahdi: Master changed to TE2/0/2
> > [1018427.120740] dahdi: Master changed to TE2/0/1
> > [1018427.789173] dahdi: Master changed to TE2/0/2
> > [1018427.884828] dahdi: Master changed to TE2/0/1
> > [1018431.209621] dahdi: Master changed to TE2/0/2
> > [1018431.300289] dahdi: Master changed to TE2/0/1
> > [1018434.763742] dahdi: Master changed to TE2/0/2
> >
> > If I stop the asterisk and dahdi driver just let the messages
> > continue to appear.
> >
> > Any ideas??
>
> My guess is you have a cabling problem and that span TE2/0/1 is
> going into and out of alarm.
>
> Each time it goes into alarm the core of DAHDI will look for a new
> span to use as a timing source for asterisk. If TE2/0/1 is the
> "preferred" timing source, when it comes out of alarm, DAHDI will
> switch the timing back to it.
>
> --
> Shaun Ruffell
> Digium, Inc. | Linux Kernel Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> Check us out at: www.digium.com & www.asterisk.org
>
> --
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