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    SubjectRe: USB on nForce4 board only working with pci=routeirq
    Florian Engelhardt wrote:
    > Sep 25 10:12:54 discovery ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller
    > (OHCI) Driver (PCI)
    > Sep 25 10:12:54 discovery acpi_bus-0212 [02] acpi_bus_set_power : Device is
    > not power manageable
    > Sep 25 10:12:54 discovery ACPI: PCI Interrupt Link [APCF] enabled at IRQ 20
    > Sep 25 10:12:54 discovery ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [APCF] ->
    > GSI 20 (level, low) -> IRQ 66
    > Sep 25 10:12:54 discovery PCI: Setting latency timer of device 0000:00:02.0 to
    > 64
    > Sep 25 10:12:54 discovery ohci_hcd 0000:00:02.0: OHCI Host Controller
    > Sep 25 10:12:54 discovery ohci_hcd 0000:00:02.0: USB HC takeover failed!
    > (BIOS/SMM bug)
    > Sep 25 10:12:54 discovery ohci_hcd 0000:00:02.0: can't reset
    > Sep 25 10:12:54 discovery ACPI: PCI interrupt for device 0000:00:02.0 disabled
    > Sep 25 10:12:54 discovery ohci_hcd 0000:00:02.0: init 0000:00:02.0 fail, -16
    > Sep 25 10:12:54 discovery ohci_hcd: probe of 0000:00:02.0 failed with error -16

    You might try disabling USB Legacy support in the BIOS and see if that
    helps. It would seem the BIOS likely has some bugs in the code that is
    supposed to handle handoff of the OHCI controller from the BIOS SMM code
    (that does USB legacy) to the OS. I haven't heard of such problems on
    other NF4 boards (I have one) so I'm assuming it's something in the ECS
    BIOS.

    --
    Robert Hancock Saskatoon, SK, Canada
    To email, remove "nospam" from hancockr@nospamshaw.ca
    Home Page: http://www.roberthancock.com/

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