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    SubjectRe: [OLPC-devel] Re: [RFC][PATCH 1/2] ACPI: Idle Processor PM Improvements
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    Ar Gwe, 2006-09-01 am 23:52 +0200, ysgrifennodd Andi Kleen:
    > What are these gaping holes? SATA seems to work at least on many
    > drivers with an out of tree patch (that will hopefully be merged soon)

    SATA ought to be pretty good now.

    > And IDE mostly works too except for HPA on thinkpads (which can be
    > disabled in the BIOS). While certainly not perfect it doesn't seem
    > that bad to me.

    IDE also fails for various chipsets where PLLs need a recalibration or
    setup needs redoing, and some users report things like floating IRQ 14
    hangs on suspend or resume.

    HPA now has a -mm proposed patch.

    Alan


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