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SubjectRe: [patch] voluntary-preempt-2.6.8-rc2-L2, preemptable hardirqs
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On Tue, 2004-07-27 at 18:27 +0200, Ingo Molnar wrote:

> BIG WARNING: the hardirq-redirection feature is quite intrusive to
> drivers so it's possible that some drivers will break under it. The
> changes done to the IDE driver might also endanger stability. Be careful
> when applying this patch to production systems. If your system doesnt
> boot then please try the voluntary-preempt=2 boot-option to turn off
> hardirq redirection.

I've seen an oops on my P4 machine when booting with voluntary-
preempt=3, but not with voluntary-preempt<3. I think it's related to the
serial controller (IRQ3 and IRQ4). Please, see attached dmesg.
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