[ardour-users] low latency kernel problems

Mark Knecht markknecht at gmail.com
Wed May 17 12:19:51 PDT 2006

On 5/17/06, Fernando Lopez-Lezcano <nando at ccrma.stanford.edu> wrote:
> On Wed, 2006-05-17 at 02:26 -0400, George Chan wrote:
> > Hi again,
> >
> > One more thing just to clarify.
> >
> > The "NMI watchdog" issue only happens on multiple CPU systems.
> >
> > If you have a single core, single CPU, you will not have this issue.
> I'm running 2.6.16-rt17 on dual core X2 Athlons without problems... (you
> do have to tweak the patches to make them patch cleanly on later
> 2.6.16.x versions of the kernel).
> -- Fernando

On my single core AMD64 the 2.6.15-rt kernels boot, as do the
2.6.16-gentoo kernels. Using the new Gentoo pro-audio overlay I tried
building 2.6.16-rt22 yesterday. I hangs early in the boot when it's
installing the IO Schedulers.

I have not yet tried anything earlier than 2.6.16-rt22 so I've not
tried giving Ingo any feedback. I did hear from one other person that
he had exactly the same failure with all 2.6.16-rt kernels on his

- Mark

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