[Asterisk-Users] E1 PRI slips on TE410P

[George Vagenas]

The other possible way to change IRQ is to change the PCI slot. Why don't
you run zttool and check for missing interrupt? Also zttest could be a good
idea to check for E1 slip frames

On 11/15/05, Nir Simionovich - CTO <nirs at dimitel.com> wrote:
>
> Hi George,
>
> Well, here are my findings:
>
> 1. the card doesn't seem to share an IRQ with another device, at least on
> the surface visible to me.
> 2. APIC can't be disabled on this board, as it's a fairly old (about 18
> months old) Intel XEON board.
>
> Is there a way to define the IRQ to load the board one via the command
> line?
>
> Nir S
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of George
> Sent: Tuesday, November 15, 2005 11:04 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion; 'Asterisk
> Users
> Mailing List - Non-Commercial Discussion'
> Subject: Re: [Asterisk-Users] E1 PRI slips on TE410P
>
> Hi Nir,
>
> The wct4xxxp is in a different IRQ than ide0 and ide1 but the issue is
> that
> you have enabled the APIC (which extends the IRQ table). In reality the
> card might share IRQ with another device. My advice is to disable APIC and
> then check again what IRQ the card gets. If you see that the card shares
> an
> IRQ with another device try if its possible to disable this device , for
> example USB.
>
> George
>
> At 10:42 AM 2005-11-15, Nir Simionovich - CTO wrote:
> >Hi All,
> >
> > I've recently encountered a very funny problem, which wasn't
> >happening in the past. I will describe this in detail:
> >
> >During the past 4 weeks, our production Asterisk box had been
> >experiencing PRI (E1 lines) slips over and over at random intervals.
> >When digging into the available information and debug logs, I've
> >noticed HDLC hang-ups, followed by a complete reset of the line.
> >
> > Now, according to the lists and wiki, this is most probably caused
> >by an IRQ issue between the TE410P and the onboard IDE controller. So,
> >I looked into /proc/interrupts to find the following:
> >
> >[root at ivr00 root]# cat /proc/interrupts
> > CPU0 CPU1
> > 0: 196927300 456 IO-APIC-edge timer
> > 1: 2 0 IO-APIC-edge keyboard
> > 2: 0 0 XT-PIC cascade
> > 8: 1 0 IO-APIC-edge rtc
> > 14: 6152062 22 IO-APIC-edge ide0
> > 15: 137 1 IO-APIC-edge ide1
> > 16: 0 0 IO-APIC-level usb-uhci
> > 18: 0 0 IO-APIC-level usb-uhci
> > 19: 0 0 IO-APIC-level usb-uhci
> > 20: 21986877 21 IO-APIC-level eth0
> > 54: 1965865547 4505 IO-APIC-level wct4xxp
> >NMI: 0 0
> >LOC: 196918032 196918689
> >ERR: 0
> >MIS: 0
> >
> > As you can surely see, the wct4xxp driver and the ide0 and ide1 are
> >totally on different interrupts. The IDE drives are also set to do
> >UDMA2, as described in many other places.
> >
> > The board is a Dual XEON 2.8Ghz Intel board, with 1GB RAM and a
> >single IDE 80GB Hard drive.
> >
> > Any input would be highly appreciated.
> >
> >Regards,
> > Nir S
> >
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