Re: [linux-audio-user] IRQ sharing

Eric Dantan Rzewnicki wrote:
> On Sun, Mar 05, 2006 at 02:02:18AM -0800, Florin Andrei wrote:
>
>> On Sun, 2006-03-05 at 03:35 -0500, Eric Dantan Rzewnicki wrote:
>>
>>> Old school Linux Audio lore held that it was bad to let your audio card
>>> share an IRQ with anything else. Is this a myth, or still good solid
>>> practical advice?
>>>
>> It might still have some influence, but nowadays the typical hardware is
>> so fast, it doesn't matter like it used to.
>>
>> I'm getting pretty good latency with no xruns when running jackd with
>> real-time priority, despite INT 5 being crowded like hell:
>>
>
> Does anyone know if dual HyperThreaded Xeon's might impact this at all?
> I've got a user reporting jackd dieing on such hardware with an rme
> digi96/8 pad. It happens to be sharing and IRQ between these things:
>
> 10: 38948682 0 0 0 XT-PIC
> libata, RME96, uhci_hcd:usb1, eth0
>
> Haven't had a chance to get physical access to the box, yet, to do some
> thorough sorting of the issue. But, just wondered if this might in
> anyway be a possible source of problems.
>
>
No problems with dual 3.0GHz Xeons running either 2.6.13-1.1532_FC4smp
or 2.6.13-0.3.rdt.rhfc4.ccrmasmp
Received on Sun Mar 5 20:15:10 2006