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

[Måns Rullgård]

Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> writes:

>>Subject: can I bring Linux down by running "renice -20
>>cpu_intensive_process"?
>>
> Depends on what the cpu_intensive_process does. If it tries to allocate 
> lots of memory, maybe. If it's _just_ CPU (as in `perl -e '1 while 1'`), 
> you get a chance that you can input some commands on a terminal to kill it.
> SCHED_FIFO'ing or SCHED_RR'ing such a process is sudden death of course.

Sysrq+n changes all realtime tasks to normal priority.

-- 
Måns Rullgård
mru@xxxxxxxxxxxxx

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