On Wed, Jun 01, 2011 at 04:10:34PM +0200, randall wrote:
> On 06/01/2011 03:55 PM, randall wrote:
> > On 06/01/2011 03:41 PM, Tzafrir Cohen wrote:
> >> On Wed, Jun 01, 2011 at 08:06:02AM +0200, randall wrote:
> >>> Hi all,
> >>>
> >>> After running fine for a few months now asterisk seems to hang
> >>> frequently , still functioning but the DAHDI channels seem busy  (users
> >>> report a busy signal when calling or being called)
> >>>
> >>> A reboot will allow it to run for another day or maybe 2  or 3 till the
> >>> problem occurs again.
> >>>
> >>>
> >>> running stock Asterisk 1.6.2.9-2+squeeze2 on Debian with stock kernel
> >>> 2.6.32-5-686
> >>>
> >>> i get the following errors:
> >>> pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of 
> >>> span 2
> >>>
> >>> (happens on all 4 spans)
> >>>
> >>> and the following in dmesg:
> >>> [ 9004.635323] NOTICE-xpd_bri: XBUS-00/XPD-01: D-Chan RX DROP: BADFCS: 252
> >>> [ 9004.635332] NOTICE-xpd_bri: XBUS-00/XPD-01: D-Chan RX:    current
> >>> packet[0..2]: 55 55 FC
> >>> [ 9004.635340] NOTICE-xpd_bri: XBUS-00/XPD-01: Multibyte Drop: errno=-71
> >>>
> >>>
> >>> Channel 0/1, span 1 got hangup, cause 18
> >>
> >> Is this happening in the middle of a call? Or only a while after the
> >> call ended?
> >>
> > 
> > the "bad fcs" messages seem to happen random
> there seems to be a relation indeed, have seen them happen randomly
> quite spurious, but they indeed tend to happen a while after the call is
> made.

A while after a call is made? A while after a call is ended?

Maybe the provider intentionally sets layer 1 down ("to save power")?

That makes sense on PtMP, though I was not aware of this being used on
PtP.

-- 
               Tzafrir Cohen
icq#16849755              jabber:tzafrir.co...@xorcom.com
+972-50-7952406           mailto:tzafrir.co...@xorcom.com
http://www.xorcom.com  iax:gu...@local.xorcom.com/tzafrir

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