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    SubjectRe: I/O APIC: Timer through 8259A revamp
    On Thu, Apr 23, 2009 at 10:45:03AM -0700, yuhong wrote:
    > >  The new burst of breakage came with the invention of ACPI and its tables
    > > for interrupt routing for the APIC.
    > Yep, when NVIDIA and ATI entered the chipset market, who would have
    > predicted that it would cause more 8254 and APIC related troubles? Or
    > it would be years before it were finally fixed properly? Even worse,
    > ATI made chipsets before AMD and Intel introduced their 64-bit CPUs,
    > yet it was the x86-64 architecture where the attempts to fix the ATI
    > APIC 8254 timer issues were going to. Only later when it was finally
    > fixed properly was it backported to x86.

    I'm not sure what you mean here. The ATI timer fixes were done
    on both i386 and x86-64.


    -- -- Speaking for myself only.
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