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SubjectRe: [patch] enabling APIC and NMI watchdog on UP systems
Ingo Molnar wrote:
> the attached patch (against test9-pre7) is a cleaned up version Keir
> Fraser's APIC-on-UP patch, and adds the enabling code of Keith Owens which
> programs P6 performance counter 0 as an NMI. (i simplified the code alot -
> there is no problem at all with getting NMIs from two sources, and it's
> not necessary to make it configurable.)
> i'd like to hear about how this patch works for people - it works here on
> SMP systems and on P6 systems. The watchdog is enabled unconditionally -
> this should significantly help debugging lockups on UP systems as well!

Hi Ingo et al,

I've been giving the patch a try, however it hangs my machine during boot.
Here's the important bits from console:

Local APIC disabled by BIOS -- reenabling
found and enabled local APIC!

It then locks up in Calibrating delay loop...

Machine is an uniprocessor AMD Thunderbird on an Asus A7V mobo.
If you need additional info let me know.

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