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    SubjectRe: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
    On 02.12.11 21:48:20, Markus Trippelsdorf wrote:
    > BTW I always see (mostly only on screen, sometimes in the logs):
    >
    > [Firmware Bug]: cpu 2, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu
    > [Firmware Bug]: cpu 2, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
    > [Firmware Bug]: using offset 1 for IBS interrupts
    > [Firmware Bug]: workaround enabled for IBS LVT offset
    > perf: AMD IBS detected (0x0000001f)
    >
    > But I hope that it is only a harmless warning.
    > (perf Instruction-Based Sampling)

    Yes, the message always apears on AMD family 10h. Nothing to worry
    about.

    A patch is on the way to soften the message to not scare the people:

    http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=16e5294e5f8303756a179cf218e37dfb9ed34417

    -Robert

    --
    Advanced Micro Devices, Inc.
    Operating System Research Center



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