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    SubjectRe: [BUG]:WARNING: at arch/x86/kernel/rtc.c:122 in 2.6.26-rc1
    On Thu, 8 May 2008, Andi Kleen wrote:
    >
    > > May 7 21:52:04 kernel: [4294896.091827] Extended CMOS year: 2000
    > > May 7 21:52:04 kernel: [4294896.091827] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
    > > May 7 21:52:04 kernel: [4294896.091827] Back to C!
    > > May 7 21:52:04 kernel: [4294896.091827] Extended CMOS year: 2000
    >
    > If the data is read correctly (and it looks like it) then just the bit
    > is wrong and we should ignore it I guess. So just remove the
    > WARN_ON_ONCE()?

    You put a printk there in the first place :) I changed it to
    WARN_ON_ONCE as one line printks are more likely to be ignored.

    I'm all for it to remove the while BCD check, which is hardcoded to
    ALWAYS_BCD = 1 since linux 1.0.

    This oddball case is interesting as it just triggered once and it
    looks more like a hardware glitch than something we need to worry
    about.

    Thanks,
    tglx


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