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    Subjectstat of /proc fails after CPU hot-unplug with EOVERFLOW in 2.6.18
    Hello,

    I have 2way Opteron machine. I've done this:
    echo 0 > /sys/devices/system/cpu/cpu1/online

    and then strace stat /proc:

    [snip]
    personality(PER_LINUX) = 4194304
    getpid() = 14926
    brk(0) = 0x804b000
    brk(0x804b1a0) = 0x804b1a0
    brk(0x804c000) = 0x804c000
    stat("/proc", 0xbf8e7490) = -1 EOVERFLOW

    When I do echo 1 > ... to start cpu again then the stat starts
    to work again ... Weird.

    Martin
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