[linux-audio-user] Is everyone sick of interrupts yet?

[Lee Revell]

On Wed, 2004-09-29 at 11:42, Mark Knecht wrote:
> Lee Revell wrote:
> > On Wed, 2004-09-29 at 09:55, Mark Knecht wrote:
> 
> >>For me this is not a mere curiosity. Yesterday I brought up FC2 and 
> >>then, with much help from Steve Harris and Fernando, got a new Planet 
> >>kernel installed. No sooner than I had started Jack I then started using 
> >>my USB mouse and getting huge xruns. Since USB is shared with the sound 
> >>chip I think it's an example of what we ae talking about here.
> > 
> > 
> > Not quite.  If you have a USB sound card it's a different ball game,
> > because you don't just have two separate devices sharing the interrupt,
> > you actually have them competing for USB bus bandwidth.  Although it
> > should work if they are on different USB controllers.  Unfortunately I
> > am not an expert on USB so I can't help much more.
> > 

> It is a PCI sound chip sharing an interrupt with a PCI USB OHCI (EHCI?) 
>   contoller. There is no sharing of USB bandwidth. Sorry - that was 
> badly worded before...
> 

Thanks for clarifying, I re-read your message and realized you might not
have a USB sound device.  Anyway, if by "new Planet kernel" you mean 2.6
with the VP patches, then mouse activity should not be causing xruns.

I am not on the CCRMA list; if you have already posted your details then
send a link.  This should be investigated further as it definitely
should work. 

Lee