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SubjectRe: can I bring Linux down by running "renice -20 cpu_intensive_process"?
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.


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