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    SubjectRe: [BUG] kernel BUG at arch/x86/kernel/tlb_32.c:130!
    >>> okay, a testsystem of mine just triggered this crash too.
    >>>
    >>> Li Zefan, Jaswinder, does the patch below fix it for you?
    >>>
    >> I'll test it, but I have to run for several hours to confirm it, since
    >> the bug is not easy to trigger. :)
    >
    > yes. It triggered on an old 32-bit dual-socket HyperThreading system for
    > me and that is because HyperThreading is very good at triggering narrow
    > SMP races. (which this one certainly is)
    >
    > (I'd expect Nehalem to trigger this TLB flushing race more easily too,
    > where HyperThreading made a comeback.)
    >

    Nothing bad happaned in the last 16+ hours. :)

    Tested-by: Li Zefan <lizf@cn.fujitsu.com>




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