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SubjectRe: 2.6.5-rc2-mm2
Andrew Morton writes:
> Mikael Pettersson <mikpe@csd.uu.se> wrote:
> >
> > On 23 Mar 2004, Andrew Morton wrote:
> > > Changes since 2.6.5-rc2-mm1:
> > ...
> > > -nmi_watchdog-local-apic-fix.patch
> > > -nmi-1-hz-2.patch
> > >
> > > I think these were causing kgdb to malfunction.
> >
> > Any concrete evidence about this? I fail to see how
> > the updated nmi-1-hz patch I wrote could affect kgdb
> > in a way that wouldn't also happen on UP w/o the patch.
> >
> > IOW, I'm more suspicious about the other patch to
> > signal LAPIC NMIs on both threads on HT P4.
>
> Which patch is that?

I belive nmi-1-hz-2.patch is Ok. It only changes NMI HZ.
nmi_watchdog-local-apic-fix.patch is a more likely suspect
since it actually changes NMI behaviour.

> I'll bring the patches back, let them bake for a while.

Please try with just the nmi-1-hz-2.patch for now.

> Could you take a look at the kgdb stub's MNI usage, see if you can spot any
> nasty interactions?

I can have a go at it this weekend.

/Mikael
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