[LAU] ALSA and RME Raydat troubleshooting

Guido Aulisi guido.aulisi at gmail.com
Tue Oct 21 15:52:12 UTC 2014

Threadirq works with vanilla kernels.
In the kernel docs:

threadirqs      [KNL]
 Force threading of all interrupt handlers except those
 marked explicitly IRQF_NO_THREAD.

And with rtirq I can set priorities for the card.

It's not an RT kernel, vanilla kernels have now some "RT" features built
in now.

Fedora doesn't ship an RT kernel, you have to use the one from ccrma,
but I had more problems with that kernel in the past.

Il giorno mar, 21/10/2014 alle 17.46 +0200, Ralf Mardorf ha scritto:
> On Tue, 2014-10-21 at 17:36 +0200, Guido Aulisi wrote:
> > I'm using Fedora 20 for x86_64, stock kernel with some configuration; my
> > kernel command line has these extra options: pcie_aspm=off threadirqs
> > i915.enable_rc6=0
> > 
> > I added the rtirq package to set irq priorities.
> Hi,
> I don't know the "stock" Fedora kernel, but "threadirqs" and "rtirq"
> sounds like a full preempted kernel, AFAIK those have no effect when
> using a vanilla kernel, compiled with settings that are common for other
> distro's default kernels.
> Regards,
> Ralf
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