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    SubjectRe: [RFC PATCH 0/4] clockevents: fix clockevent_devices list corruption after cpu hotplug
    On 01/17/2010 05:28 PM, Ozan Çağlayan wrote:
    > Thomas Gleixner wrote:
    >
    >>
    >> I'm not happy about that churn. Why don't we simply scan the
    >> clockevent_devices list for leftovers of the dead CPU ?
    >>
    >> Untested patch below solves the same problem.
    >
    >
    > Hi, I have 3 bug reports about a clockevent failure while halting the system (2.6.31.11 kernel).
    > It exactly pinpoints to the line 262 which got changed with this patch merged to 2.6.31.10 (and also 2.6.32.3):
    >
    > [4406.986777] kernel BUG at kernel/time/clockevents.c:262!
    > [4406.986777] invalid opcode: 0000 [#1] SMP
    > [4406.986777] last sysfs file: /sysfs/module/ip_tables/initstate

    I think this one is duplicated of
    http://bugzilla.kernel.org/show_bug.cgi?id=15037
    Thomas is working on the fix. I've sent a workaround patch on
    http://patchwork.kernel.org/patch/71537/

    >
    >
    > All 3 systems have Pentium 4 processors with different clock speeds.
    >
    > Here's a screenshot of the full stacktrace:
    > http://bugs.pardus.org.tr/attachment.cgi?id=4820
    >
    > and the relevant bugzilla report:
    > http://bugzilla.kernel.org/show_bug.cgi?id=15073
    >
    > Thanks,
    > Ozan Caglayan
    > Pardus Linux -- http://www.pardus.org.tr/eng
    >

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