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    SubjectRe: [patch] voluntary-preempt-2.6.9-rc1-bk4-R0

    * K.R. Foley <kr@cybsft.com> wrote:

    > Managed to hang the system again under heavy load. This time with the
    > above patch:
    >
    > http://www.cybsft.com/testresults/crashes/2.6.9-rc1-bk4-R0.txt
    >
    > Last time was with Q7:
    >
    > http://www.cybsft.com/testresults/crashes/2.6.9-rc1-bk4-Q7.txt

    seems to be the same thing - an unbalanced preemption count, possibly
    due to some locking error. Unfortunately the assert catches the
    imbalance only at exit time. (it's unlikely that the do_exit() code is
    buggy.)

    i'll add a new feature to debug this: when crashing on an assert and
    tracing is enabled the trace leading up to the crash will be printed to
    the console. How did you capture the crash - was it in the syslog or do
    you have serial logging? Maybe this is not the real crash but only a
    followup crash?

    Ingo
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