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    SubjectRe: [2.6.23] tasks stuck in running state?
    On 10/19/2007 08:01 PM, David Miller wrote:
    >
    > What might be appropriate is just to get a one-line program counter
    > dump on every cpu via some new sysrq keystroke.
    >

    IIRC -mm had something like this but it was buggy because we were
    sending IPIs to each processor asking them to print their state.
    Maybe it would work if we had a way of making them dump their
    state to a memory location and then collected and printed it from
    the CPU that's handling the sysrq.
    -
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