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    SubjectBUG?: "Cannot map mmconfig aperture"
    I get the following new message in my dmesg:

    [ 0.155476] ACPI: bus type pci registered
    [ 0.155567] PCI: Found Intel Corporation 945G/GZ/P/PL Express Memory Controller Hub with MMCONFIG support.
    [ 0.161149] PCI: Cannot map mmconfig aperture for segment 0
    [ 0.161181] PCI: Using configuration type 1
    [ 0.165980] ACPI: EC: Look up EC in DSDT

    when previously i'd have:

    [ 0.156577] PCI: Found Intel Corporation 945G/GZ/P/PL Express Memory Controller Hub with MMCONFIG support.
    [ 0.166403] PCI: Using MMCONFIG at e0000000 - efffffff
    [ 0.166407] PCI: Using configuration type 1
    [ 0.171548] ACPI: EC: Look up EC in DSDT


    No idea if this is a regression or not, or what it means, the system works well.
    git-bisect says the problem cames from:

    commit c31c7d4844ea4817692ae16bf70f9c96c05a50eb
    Author: Thomas Gleixner <tglx@linutronix.de>
    Date: Mon Feb 18 20:54:14 2008 +0100

    x86: CPA, fix alias checks


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