[linux-audio-user] [Fwd: Re: [ardour-dev] Ardour, IRQs and xruns]

Patrick Shirkey pshirkey at boosthardware.com
Tue Sep 24 13:33:50 EDT 2002


Mark Knecht wrote:
> Patrick,
>    On most machines with onboard USB, the USB IRQ is shared with one or more
> PCI slots. If this is true on your machine, then you would find the PCI
> devices that share that IRQ and set those slots to the IRQ you want. The USB
> will tag along.
> 
>    If you find no PCI devices sharing an IRQ, then try setting the IRQ for
> the slots that have no PCI devices at this time.
> 

Sweet that works for me.

>    If none of that works, then you may not be able to change the USB
> controller's IRQ. This is the case for someone else trying to run alsa apps
> on a laptop with an onboard audio chip. We have not been able to change his
> audio chip's IRQ no matter what.
> 
>    I hope that's not your situation. We can't get rid of his xruns yet.
> 

Yet another reason to stay with PC hardware where this kind of stuff is 
more configurable.  (Jorn knows what I'm referring to here ;)

-- 
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
Http://www.boosthardware.com/LAU/guide/
========================================

"Um...symbol_get and symbol_put... They're
kindof like does anyone remember like get_symbol
and put_symbol I think we used to have..."
- Rusty Russell in his talk on the module subsystem




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