Re: oopsen with rc3-aa3

J.A. Magallon (jamagallon@able.es)
Tue, 30 Jul 2002 02:21:06 +0200


On 20020730 Andrea Arcangeli wrote:
> On Tue, Jul 30, 2002 at 01:12:03AM +0200, J.A. Magallon wrote:
> > But -rc3-jam3 bombed on the dual-p4xeon box, but works on a PIII laptop.
>
> I decored the oops and in short rq_target->idle is NULL, so then
> resched_task bugs out while reading p->need_resched.
>
> it's the hyperthreading support that bugs out infact.
>
> I had a look and this should fix it (the first one is just a theorical
> bug, since it's under an ifdef i386 cpu_number_map is an identity, the
> ++ thing was the reason I think). Can you test it?
>

Thanks, I will try it tomorrow on the real box.

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