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    SubjectRe: PCI MSI breaks when booting with nosmp
    Pavel Machek wrote:
    > On Mon 2008-04-21 20:45:05, Andi Kleen wrote:
    >> Jesse Barnes <jbarnes@virtuousgeek.org> 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.
    >
    > Are you sure? I still boot DOS on very recent boxes, and they seem to
    > work. How can PC-compatible machine require an APIC?

    The machine doesn't, but the drivers do. DOS likely doesn't use all
    hardware.

    -Andi


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