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    SubjectRe: can I bring Linux down by running "renice -20 cpu_intensive_process"?
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    On Sun, 2006-03-12 at 01:41 +0000, Luke-Jr wrote:
    > On Friday 10 March 2006 22:01, Måns Rullgård wrote:
    > > Sysrq+n changes all realtime tasks to normal priority.
    >
    > Would the kernel's main loop (where I presume Sysreq is handled) get a chance
    > to run with a constantly busy realtime task?

    Sorry I was thinking of the -rt kernel in my previous post - in mainline
    this would be effective. In the -rt kernel you are screwed if the
    spinning RT task is higher priority than the keyboard IRQ thread.

    Lee

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