linuxaudio.org

> (I don't seem to find the start of the thread in my mailbox)

quoted text
>

> ohci_hcd is there is you specify usb in the list of priorities rtirq

> needs to raise. And nvidia is there probably because it shares an

> interrupt with a real soundcard. Rtirq does not raise the priority of

> only the soundcard, but everything that uses the interrupt that the

> soundcard uses.

>

> AFAIK it is not possible (or simple) to raise _just_ the soundcard as

> it

> is impossible to know which irq process corresponds to a soundcard

> (and

> which one does not). That is because the labeling of the irq process

> names in the ps listing is arbitrary. At least that is what I

> remember

> seeing last I looked at this issue. You can of course manually lower

> the

> priorities of non-soundcard irq processes with chrt.

>

> -- Fernando

The IRQ issue also is there for e.g. my AVLinux install, but there it

anyway is possible to get the wanted prio order:
http://lists.linuxaudio.org/pipermail/linux-audio-user/2012-April/084689...
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