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    SubjectRe: 2.6.33: pci 0000:00:00.0: address space collision / spontaenous reboots


    On Fri, 12 Mar 2010, Justin Piszcz wrote:

    >
    >
    > On Fri, 12 Mar 2010, Justin Piszcz wrote:
    >
    >> Hello,
    >>
    >> I am trying to figure out why a particular host using a Gigabyte
    >> motherboard
    >> (AMD) continues to crash, memory/CPU OK, voltages normal, I see this in
    >> the kernel log:
    >>
    >> [ 0.138774] PCI: Using ACPI for IRQ routing
    >> [ 0.138825] PCI: pci_cache_line_size set to 64 bytes
    >> [ 0.138830] pci 0000:00:00.0: address space collision: [mem
    >> 0xe0000000-0xffffffff 64bit] already in use
    >>
    >> If memory gets mapped into this space somehow, can that cause a spontaenous
    >> reboot? What is the workaround for this problem?
    >>
    >> There are no PCI cards in this system, only a graphics card.
    >>
    >> I suppose the next things to try:
    >> apic=off
    >> lapic=off
    >
    > Correction-
    > noapic
    > nolapic
    >

    --

    [ 0.029932] pci_root PNP0A03:00: ignoring host bridge windows from ACPI; boot with "pci=use_crs" to use them

    After booting with pci=use_crs, the collision goes away, as does another
    problem with the jmicron controller, will see if this fixes it.

    Justin.




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