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SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.31-0

* Rui Nuno Capela <> wrote:

> Ingo Molnar wrote:
> >
> > the -RT patchset doesnt properly detect my fd0 device, so there's
> > definitely something broken in that area. The unpatched -rc2-mm3 kernel
> > detects it fine. Might be an effect of IRQ threading - the floppy
> > hardware/driver is a fragile beast.
> >
> But it works flawlessly on my laptop (P4/UP). Could it be SMP/HT
> related?

yeah, could be, the failure i'm seeing is on SMP. On SMP if you have
interrupt threads then concurrency is higher. fd0 gets detected fine
when i turn IRQ threading off.

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