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    SubjectRe: PCI ACPI/IRQ-routing broken on H77 chipset + Ivy Bridge (kernel 3.5-rc7 and earlier)
    [CC +tglx]

    On Sun, Jul 15, 2012 at 2:25 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
    > CC-ing linux-pci and Bjorn.
    >
    > On Sunday, July 15, 2012, Malte Schröder wrote:
    >> Hello,
    >> this is yet another try to get someone to look at this ;)
    >>
    >> I can't get PCI-devices to work on my DH77KC mainboard. I tested this
    >> using an AVM B1 ISDN card, a Fritz!PCI card and an old 3Com 905c NIC.
    >> I attached some dumps in case it helps. The CPU is a Core i7 3770.
    >>
    >> PCI hardware is detected by the kernel, but it gives IRQ errors. Using
    >> irqpoll allows the PCI card to somewhat work, but it is unreliable.
    >>
    >> There are some reports in Intel's support forums that also report
    >> PCI-problems with this mainboard, but Intel doesn't seem to be
    >> interested. So I hope this is something that is fixable on the kernel side.
    >>
    >> If there is more information needed, please let me know.
    >>
    >>
    >>
    >
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