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    SubjectRe: clock runs at double speed on x86_64 system w/ATI RS200 chipset (with APIC enabled)
    I booted with 'apic=debug' in case this is useful to find out what's

    dmesg of with ACPI enabled, APIC enabled, 'apic=debug':
    (clock runs at double speed)

    dmesg of with ACPI enabled, but disabled for PCI routing, APIC
    enabled ('pci=noacpi apic=debug'):
    (system hangs when loading SATA driver)

    One difference I see between ACPI IRQ routing and 'pci=noacpi' is this:

    (with ACPI IRQ routing)
    ..TIMER: vector=0x31 pin1=2 pin2=-1

    (with 'pci=noacpi')
    ..TIMER: vector=0x31 pin1=2 pin2=0

    so it would seem that mp_irqs[] differs between the ACPI case and
    'pci=noacpi' for mp_ExtINT.


    On Tue, 5 Apr 2005, Andi Kleen wrote:

    > Alternatively you can try to boot with noapic. Does that help?
    > -Andi
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      Last update: 2005-04-06 13:31    [W:0.020 / U:0.052 seconds]
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