Re: PCI MSI breaks when booting with nosmp

[Andi Kleen]

Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> writes:
>
> Ok, I see this too on my desktop machine.  It looks like we're not getting 
> interrupts setup correctly in the nosmp case.  Still digging through to see 
> why though...

NoSMP disables the io-apic and a lot of modern systems don't work without APIC.

If you just want to run with a single cpu for testing etc. always use maxcpus=1 
(not 0, that will disable the APIC too)

-Andi
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