[Asterisk-Users] E1 PRI slips on TE410P

Tue Nov 15 13:03:30 MST 2005

Now with IRQ 10 it should be super....

On 11/15/05, Nir Simionovich - CTO <nirs at dimitel.com> wrote:
>
> Hi George,
>   Thanks for the tip, now /proc/interrupts looks like this:
>   CPU0 CPU1
> 0: 61155 0 XT-PIC timer
> 1: 2 0 XT-PIC keyboard
> 2: 0 0 XT-PIC cascade
> 8: 1 0 XT-PIC rtc
> 10: 590503 0 XT-PIC wct4xxp
> 11: 2940 0 XT-PIC eth0
> 14: 43026 0 XT-PIC ide0
> 15: 136 0 XT-PIC ide1
> NMI: 0 0
> LOC: 61080 61100
> ERR: 0
> MIS: 0
>  Now lets see if the issue continues. I've also disabled HT on the box.
>  Nir S
>
>  ------------------------------
> *From:* asterisk-users-bounces at lists.digium.com [mailto:
> asterisk-users-bounces at lists.digium.com] *On Behalf Of *George Vagenas
> *Sent:* Tuesday, November 15, 2005 7:58 PM
> *To:* Asterisk Users Mailing List - Non-Commercial Discussion
> *Subject:* Re: [Asterisk-Users] E1 PRI slips on TE410P
>
> 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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