Kernel-lowlatency vs kernel-rt

ttoine ttoine at ttoine.net
Sat Nov 3 22:49:38 UTC 2012


Ralf, are you using a restricted driver for your ATI graphic card ? Wich
desktop environment are you using ? Wich version of Ubuntu or Ubuntu Studio
?


2012/11/3 Ralf Mardorf <ralf.mardorf at alice-dsl.net>

> On Sat, 03 Nov 2012 10:45:14 +0100
> "Kaj Ailomaa" <zequence at mousike.me> wrote:
> > > Hi Kaj :)
> > >
> > > with kernels < 2.6.39 (ALSA < 1.0.24) my card doesn't work and for
> > > 2.6 kernels at least the rtirq confg needs to be rewritten.
> > >
> >
> > Yes, it was with 2.6.39 that it became possible to use rtirq script
> > with a vanilla kernel.
> > As for the config for it, I have no idea.
> >
>
> I'm not sure when threadirqs could be used the first time, but my RME
> card isn't supported by ALSA < 1.0.24.
> The module names changed for kernels > 3.[x?], ICE1712 became ice17 or
> something like that, so even if current rtirq should be compatible with
> old kernels, at least the config needs to be reedited.
>
> However, IMO it's important that the 3.6.5-rt does allocate another IRQ
> to the graphics. It doesn't solve my issue, but for sure it will solve
> issues for many other people. perhaps it isn't the patch, but the
> vanilla kernel, that does the trick.
>
> Regards,
> Ralf
>
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