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    From
    SubjectRe: 2.6.21-rc4-mm1
    Date
    On Friday 23 March 2007 05:17, Andy Whitcroft wrote:
    > Ok, I have yet a third x86_64 machine is is blowing up with the latest
    > 2.6.21-rc4-mm1+hotfixes+rsdl-0.32 but working with
    > 2.6.21-rc4-mm1+hotfixes-RSDL. I have results on various hotfix levels
    > so I have just fired off a set of tests across the affected machines on
    > that latest hotfix stack plus the RSDL backout and the results should be
    > in in the next hour or two.
    >
    > I think there is a strong correlation between RSDL and these hangs. Any
    > suggestions as to the next step.

    Found a nasty in requeue_task
    + if (list_empty(old_array->queue + old_prio))
    + __clear_bit(old_prio, p->array->prio_bitmap);

    see anything wrong there? I do :P

    I'll queue that up with the other changes pending and hopefully that will fix
    your bug.

    --
    -ck
    -
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