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    SubjectRe: [BUG] Loading parport_pc kills the keyboard if ACPI is enabled
    Ozan Çağlayan wrote On 04-06-2009 12:12:
    > Hi,
    >
    > I was having this issue since 2.6.30_rc1 (if I remember correctly) but I
    > didn't have time to analyze and report here until today.
    >
    > If I don't give acpi=off during boot, the keyboard becomes unusable when
    > udev starts. The connection type of the keyboard don't matter at all, I
    > tried with a USB and a PS/2 one.
    >

    Note that the fact that the keyboard working when acpi=off seems to be
    that udev don't probe parport* stuff in that case. I inserted parport by
    hand and the keyboard is gone again as well:

    [ 30.696938] parport_pc 00:0d: reported by Plug and Play BIOS
    [ 30.697000] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
    [ 30.780388] lp0: using parport0 (interrupt-driven).
    [ 30.804130] ppdev: user-space parallel port driver
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