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    SubjectRe: Panic with 2.6.19-rc3-ga7aacdf9: Invalid opcode at acpi_os_read_pci_configuration
    On Tue, 31 Oct 2006 09:23:44 +0100
    Giacomo Catenazzi <cate@cateee.net> wrote:

    > Since few days I have this bug (not sure if it
    > caused by changed configuration or if it is a regretion).
    > The fololowing trace is from last git.
    >
    > ...
    >
    >
    > [ 0.012497] Brought up 4 CPUs
    > [ 0.174941] migration_cost=19,713
    > [ 0.215588] NET: Registered protocol family 16
    > [ 0.268807] ACPI: bus type pci registered
    > [ 0.316660] PCI: Fatal: No config space access function found

    That looks pretty bad.

    > [ 0.385262] Setting up standard PCI resources
    > [ 0.452566] ACPI: Access to PCI configuration space unavailable
    > [ 0.527856] ACPI: Interpreter enabled
    > [ 0.571564] ACPI: Using IOAPIC for interrupt routing
    > [ 0.631370] ACPI: PCI Root Bridge [PCI0] (0000:00)
    > [ 0.690684] ------------[ cut here ]------------
    > [ 0.745825] kernel BUG at drivers/acpi/osl.c:461!

    And acpi keeled over as a result.

    Do you have CONFIG_PCI_MULTITHREAD_PROBE=y? If so, try disabling it.

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