Re: 2.5.74-mm1

Andrew Morton
2003-07-03T21:06:19Z

Helge Hafting <helgehaf@aitel.hist.no> wrote:
>
> On Thu, Jul 03, 2003 at 12:22:43PM -0700, Andrew Morton wrote:
> > Boszormenyi Zoltan <zboszor@freemail.hu> wrote:
> > >
> > > Hi,
> > >
> > > I actually tried it. It seems that although I compiled an SMP kernel, it
> > > does not use both CPUs.
> >
> > You're right. The kernel sort-of saw the second CPU but it appears to have
> > not come up.
> >
> I may have this problem on my dual celeron. I noticed X got sluggish
> while generating a key for mozilla - very strange on a dual
> but I put it down to the scheduler changes.
>
> Looking at dmesg I see that both is detected, and it claims
> both are "activated", but I get this a little later:
>
> Starting migration thread for cpu 0
> Bringing up 1
> CPU 1 IS NOW UP!
> Starting migration thread for cpu 1
> CPUS done 2
> mtrr: v2.0 (20020519)
>
> I never get a CPU 2 IS NOW UP (or CPU 0)
>

ok. If you're feeling keen could you please revert the cpumask_t patch.

And please send the .config, thanks.