Hi.

Maciej W. Rozycki wrote:
>> nmi_watchdog=1 still doesn't work.
>> Any ideas about this?
>  Interesting -- your local APIC seems to be disabled by the firmware
> (otherwise it would work even without my fix), so how can an I/O APIC
> work?
I don't think it worked. I do not even
claim there is still some bug to that.
But I know that nmi_watchdog=1 worked -
thats for sure. I think there was some
fallback, which is now either broken or
disabled intentionally, and that's what
I wanted to find out to make sure that
everything works as expected.

>  If you send me the bootstrap log back I may have a look to see what's 
> wrong about the I/O APIC.
I applied your patch and here are 2 logs -
one from older kernel, one with -mm5 with
patch. Both have nmi_watchdog=1, but the
NMI works only with the old one.
Does this shed some light?