I'm going to upgrade the BIOS and update dahdi to the latest and greatest first.
I did look at the link you sent when I first started this mission. It
was the basis of me looking at using ACPI to get the IRQs to change.
My maintenance window is tomorrow, so I'll let anyone who's interested
know what happened.
Dean
On Wed, May 4, 2011 at 2:31 AM, Johan Wilfer li...@jttech.se wrote:
On 2011-05-03 16:32, Dean Hoover wrote:
I am running Asterisk 1.16.2.13, dahdi 2.4.0 and libpri 1.4.11.4 on an
HP ML110 G6 using Ubuntu Linux 10.04 LTS.
I have two Digium TE121 single T1 port cards and a Digium AEX800
8-port FXS card. All PCI Express cards.
Co-workers are hearing hissing sounds on some calls, and I am getting
IRQ errors when running dahdi show status.
I see that sharing IRQs for Digium cards isn't recommended, so I'm
trying to set it so each card gets its own. From the few web sites
I've read so far, including Digium's FAQ site, I've added ACPI and
verified that the BIOS does not give me the ability to manually set
the IRQ. I've even taken one of the TE121's out of the server (it
isn't being used anyways). Everything I've done so far has not fixed
it. All the cards (as well as USB1) all use IRQ 16.
The other option given was to use setpci, but I am unfamiliar with
that command. I did what I could to try and find the setting (based
on what the man page on Ubuntu's web site) where I could see the value
16, but not getting anywhere.
I know that this is more of an Asterisk forum than Digium. If I need
to put in a case at Digium I will, but wanted to see if there were any
suggestions here before I pursued that.
Any help would be appreciated.
Dean Hoover
A month ago I had similar problems with a HP DL360g6 and a HP DL380g7
running Debian 5 Lenny.
In the HP DL360g6 I had one TE121. I noticed IRQ misses and the problem was
easily reproduced
by running dahdi_maint to enable loopback and patlooptest while compiling
asterisk to create some i/o.
When I installed Debian 6 Squeeze instead the problem went away. Tested
with both servers above.
On this page I found some information about APIC (Advanced Programmable
Interupt Controller)
http://www.asteriskguru.com/tutorials/pci_irq_apic_tdm_ticks_te410p_te405p_noise.html
(quite old but informative)
I haven't got the time to verify the root cause of the problem yet (I've
planned to do this at the end of this month)
but my theory is that it has something to do with the kernels APIC handling
that was fixed between Debian 5 and 6.
Maybe you experience something similar?
/Johan
--
Johan Wilfer email: jo...@jttech.se
JT Tech | Utvecklare webb: http://jttech.se
direkt: +46 31 380 91 01 support: +46 31 380 91 00
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