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    SubjectRe: PNP PS/2 probing racy?
    Date
    Hi Andi,

    On Jan 28, 2010, at 5:54 AM, Andi Kleen <andi@firstfloor.org> wrote:

    >
    > Hi,
    >
    > I noticed that on one test system of machine when booting the same
    > kernel I get:
    >
    > PNP: No PS/2 controller found. Probing ports directly.
    > serio: i8042 KBD port at 0x60,0x64 irq 1
    > serio: i8042 AUX port at 0x60,0x64 irq 12
    >
    > and sometimes on another boot
    >
    > PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12
    >
    > Since I presume the BIOS does not change, is it possible the Linux
    > procedure for this PNP probe is racy? I haven't checked the code so
    > far.
    >

    Are you using KVM with that box by any chance?

    --
    Dmitry



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