Re: [PATCH 2.6.14-rc1-git5] sched: disable preempt in idle tasks

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Hi.

On Thu, 2005-09-22 at 13:25, Nick Piggin wrote:
> Andrew Morton wrote:
> > Nick Piggin <[email protected]> wrote:
> > 
> >>This patch should hopefully fix Nigel's bug.
> >>
> >> Split out from sched-resched-opt.patch. Tested on i386 with acpi idle
> >> and poll idle (previous iterations tested on various other architectures).
> > 
> > 
> > This makes the emt64 machine reboot itself, which iirc was the behaviour in
> > the failing patch from which this one was split out.
> > 
> > The machine is using acpi_processor_idle().
> > 
> 
> OK, thanks. That must be the preempt_disable() being called in
> start_secondary(). Maybe I should have listened to the comment.
> 
> Can you try the following patch?


Well, I did manage to reproduce the bug again without Nick's patches. It
seems it only occurs when I really want it to suspend because I'm going
home :). I'll apply Nick's patches now and give it some testing for a
few days.

Regards,

Nigel


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