[x86_64] how worried should I be about MCEs?

From: Andy Lutomirski (luto_at_myrealbox.com)
Date: 04/30/05

  • Next message: Adrian Bunk: "[2.6 patch] drivers/char/stallion.c: make a function static" 
    Date:	Sat, 30 Apr 2005 13:16:49 -0700
To: linux-kernel@vger.kernel.org

    Every now and then, after rebooting, the kernel notices some MCEs.
    Should I be worried about this?

    (mcelog attached)

    Thanks,
    Andy

    MCE 0
    CPU 0 0 data cache from boot or resume
    ADDR 480b0c84df48
       Data cache ECC error (syndrome c8)
            bit46 = corrected ecc error
            bit57 = processor context corrupt
            bit61 = error uncorrected
            bit62 = error overflow (multiple errors)
    STATUS f66440000000438d MCGSTATUS 0
    MCE 1
    CPU 0 1 instruction cache from boot or resume
    ADDR 75e2bb87ec57f8e0
       Instruction cache ECC error
            bit32 = err cpu0
            bit33 = err cpu1
            bit35 = res3
            bit43 = res11
            bit45 = uncorrected ecc error
            bit46 = corrected ecc error
            bit55 = res23
            bit56 = res24
            bit57 = processor context corrupt
            bit59 = misc error valid
            bit61 = error uncorrected
            bit62 = error overflow (multiple errors)
    STATUS ffe4681bd0e45d81 MCGSTATUS 0
    MCE 2
    CPU 0 3 load/store unit from boot or resume
    MISC 8005003b8005003b
            bit57 = processor context corrupt
            bit59 = misc error valid
            bit61 = error uncorrected
            bit62 = error overflow (multiple errors)
    STATUS fa0000000000d0c5 MCGSTATUS 0
    MCE 3
    CPU 0 4 northbridge from boot or resume
    ADDR 102000020
       Northbridge ECC error
       ECC syndrome = 0
            bit32 = err cpu0
            bit33 = err cpu1
            bit40 = error found by scrub
            bit45 = uncorrected ecc error
            bit57 = processor context corrupt
            bit61 = error uncorrected
    STATUS b600215300001e0f MCGSTATUS 0
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  • Next message: Adrian Bunk: "[2.6 patch] drivers/char/stallion.c: make a function static"

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