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    SubjectRe: [PATCH 1/1] ACPI: pci_irq, add PRT_ quirk for IBM Bartolo
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    On Tue, Sep 7, 2010 at 5:02 AM, Jiri Slaby <jirislaby@gmail.com> wrote:
    > On 08/30/2010 09:36 AM, Jiri Slaby wrote:
    >> On 08/25/2010 01:25 AM, Robert Hancock wrote:
    >>> On Tue, Aug 24, 2010 at 2:11 AM, Jiri Slaby <jirislaby@gmail.com> wrote:
    >>>> So, to sum up:
    >>>> 1) acpi routing enabled (no kernel parameter) => ports 4+5 defunct.
    >>>> ports 4+5+6+7 are all on irq 11
    >>>>
    >>>> 2) acpi routing disabled (acpi=noirq) => all ports working, 4+5 on irq
    >>>> 10, 6+7 on irq 11
    >>>>
    >>>> 3) with the quirk [1] and acpi routing enabled => all ports working,
    >>>> ports 4+5 on irq 10, 6+7 on irq 11
    >>>>
    >>>> 4) in windows => 4+5+6+7 are all on irq 9 and the ports are all working.
    >>>>
    >>>> Any ideas what this means? Especially point 4)?
    >>>>
    >>>> [1] http://lkml.org/lkml/2010/6/27/85
    >>>
    >>> I think that's the key question. Is Windows actually using ACPI on
    >>> that machine at all? (Check the computer type in Device Manager and
    >>> see if it mentions ACPI.)
    >>
    >> Yes, there is Computer->ACPI PC.
    >
    > Any ideas here, please? Is there anything what I might try?

    I'd suggest opening a report on kernel.org bugzilla under ACPI and
    attach the acpidump output..


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