[Asterisk-Users] IRQ Misses and Dropped Calls?

[Bruce Komito]

Turn off interrupt masking in your IDE driver:

/sbin/hdparm -u1 /dev/hda

That solved the problem for me.

Bruce Komito
High Sierra Networks, Inc.
www.servers-r-us.com
(775) 236-5815


On Wed, 14 Jul 2004, Brian D'Arcy wrote:

> Hello everyone,
>
> I'm using a TE410P, no irq sharing, and all extraneous devices disabled,
> such as USB, Parallel etc.  I'm getting a few IRQ misses according to
> ZTTOOL.
>
> We're running a standard PRI_CPE interface and seem to be getting
> dropped calls, and errors on the D-CHANNEL occasionally.  The circuit
> itself is very solid, it was in use on our old PBX just a few weeks ago,
> never had any dropped calls, or any problems.  I'm receiving the
> following messages
>
> Jul  2 09:30:03 NOTICE[19475]: PRI got event: 4 on Primary D-channel of
> span 1
> Jul  2 09:30:03 WARNING[19475]: No D-channels available!  Using Primary
> on channel anyway 24!
> Jul  2 09:30:20 NOTICE[19475]: PRI got event: 5 on Primary D-channel of
> span 1
> Jul  2 09:30:41 WARNING[19475]: PRI: !! Got a UA, but i'm in state 1
>
> In between the D-Channel error notices/warings, I'll see channels 1-23
> goto yellow alarm state, then I'll see them clear.  It does not seem to
> coincide with the ~hourly reset of the b channels.
>
> I've looked everywhere for what these errors could mean, but I'm coming
> up empty handed.
>
> Could these errors be related to the IRQ misses I'm seeing?  I'm only
> logging about 8 misses a day total.
>
> Zaptel and Zapata configs pasted below...
>
> [Zaptel.conf]
> span=1,1,0,esf,b8zs
> bchan=1-23
> dchan=24
> defaultzone=us
> loadzone=us
>
> [Zapata.conf]
> [channels]
> context=inbound
> switchtype=dms100
> overlapdial=yes
> signalling=pri_cpe
> usecallerid=yes
> hidecallerid=no
> callwaiting=yes
> usecallingpres=yes
> callwaitingcallerid=yes
> transfer=yes
> cancallforward=yes
> callreturn=yes
> rxgain=0.0
> txgain=0.0
> group=1
> callgroup=1
> pickupgroup=1
> immediate=no
> musiconhold=default
> group = 1
> channel => 1-23
>
> Any tips, tricks or debugging methods anyone could provide would be
> extremely helpful!
>
> I'm running CVS-HEAD 7/2 for libpri, zaptel and asterisk, however the
> problem has been occurring since we took the system live in mid-June.
>
> Thanks in advance to anyone who might can shed some light.
>
> Brian D'Arcy
>
>
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