[PlanetCCRMA] Help with APIC/IRQ setup...

Brian Jarrett bjarrett@garcoschools.org
Wed Jun 22 11:59:01 2005


The only thing I've noticed is some pops when I was recording a single
track in Ardour, but I've not really done anything to configure it and
haven't done much else with my new system.

I was just following the instructions and attempting to tune the system.
*grin*

Brian

> -----Original Message-----
> From: Mark Knecht [mailto:markknecht@gmail.com]
> Sent: Wednesday, June 22, 2005 12:48 PM
> To: Brian Jarrett
> Cc: planetccrma@ccrma.stanford.edu
> Subject: Re: [PlanetCCRMA] Help with APIC/IRQ setup...
> 
> Do you need to do anything? You don't speak of any xrun problems here.
> Are you having any troubles with the default setup that would really
> require a change?
> 
> - Mark
> 
> On 6/22/05, Brian Jarrett <bjarrett@garcoschools.org> wrote:
> > Hello all,
> >
> > I've got a Gigabyte K8NS Ultra939 MB w/AMD64 CPU and 2 SATA HDD.
> >
> > I've installed 32bit FC3 and loaded "the Planet" audio apps.
> >
> > I haven't been able to "tune" the system by adjusting IRQs, or
causing
> > the system to do it, and I'm not even sure if I need to.  Here's my
> > /proc/interrupts:
> >
> >            CPU0
> >   0:     267756    IO-APIC-edge  timer
> >   1:        268    IO-APIC-edge  i8042
> >   8:          1    IO-APIC-edge  rtc
> >   9:          0   IO-APIC-level  acpi
> >  12:       1766    IO-APIC-edge  i8042
> >  15:        864    IO-APIC-edge  ide1
> >  16:      21284   IO-APIC-level  ICE1712, nvidia
> >  17:      12942   IO-APIC-level  libata
> >  18:          3   IO-APIC-level  ohci1394
> >  20:          2   IO-APIC-level  ehci_hcd
> >  21:          0   IO-APIC-level  NVidia CK8S, ohci_hcd
> >  22:      23934   IO-APIC-level  ohci_hcd, eth0
> > NMI:          0
> > LOC:     267680
> > ERR:          0
> > MIS:          0
> >
> > I don't see any way to turn off APIC in the BIOS and I've tried
> > kernel-level options "noapic" and "apic=off" but it seems to have no
> > effect.
> >
> > Of course, I'd like my Delta66 (ICE1712) to have as high a priority
as
> > possible.  The things I have tried are a result of reading a lot of
> > information that doesn't even really apply directly to dealing with
> > APIC.
> >
> > Any suggestions?  I'm out of ideas, if there's anything I can even
do
> > about it.
> >
> > Brian
> >
> > _______________________________________________
> > PlanetCCRMA mailing list
> > PlanetCCRMA@ccrma.stanford.edu
> > http://ccrma-mail.stanford.edu/mailman/listinfo/planetccrma
> >