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    SubjectRe: More info on port 80 symptoms on MCP51 machine.
    On 14-12-07 23:05, Chuck Ebbert wrote:

    > On 12/12/2007 04:05 PM, H. Peter Anvin wrote:

    >> Rene Herman wrote:

    >>> By the way, _does_ anyone have a contact at nVidia who could clarify?
    >>> Alan maybe? I'm quite curious what they did...
    >>>
    >>> Summary:
    >>>
    >>> Unless after booting with "acpi=off", outputs to port 0x80 (the legacy
    >>> way to delay I/O) reliably, but not immediately, hang MCP51 machines.
    >>> Outputs to port 0xed do not indicating it's a not a generic bus abort
    >>> problem.
    >>>
    >> Sorry, the first sentence didn't parse unambiguously for me. Do you
    >> mean "acpi=off" works, or that "acpi=off" allows *subsequent* boots to
    >> work?
    >>
    >> I have some people at nVidia I can probably ping.

    Sorry, didn't see this again due to aforementioned horseshit ISP. "acpi=off"
    works it seems. Report from David Reed here:

    http://lkml.org/lkml/2007/12/12/291

    > Have them search on Google for:
    >
    > hp tx1000 noapic
    >
    > :)

    Rene.




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