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    Subject(dumb?) idea for kernel oops...
    Date
    I was thinking about when the kernel hangs or otherwise dies with an
    oops...what's to keep it from saving the crash info in a known memory
    location and restarting the kernel from scratch? Its dead anyway, so
    its not like you're going to lose any information...but you might be
    able to save some.

    When the kernel is starting up, it could check the "i'm rebooting from a
    hang" flag and do some cleanups (possibly). Things like adding crash
    messages to the log would be good, as well as possibly saving data in
    the caches. If the kernel doesn't come all the way back up, it would
    have to die, but if it did come up, the flag could be cleared, and the
    system would be available for inspection.

    Dumb idea? It would make life easier for those of us who administer
    machines from a distance (Don't need to be there to reboot), and would
    probably be a boost to Linux's availablity rating...

    Brian Wheeler
    bdwheele@indiana.edu


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