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

[Jeffrey Hundstad <jeffrey.hundstad@mnsu.edu>]

Måns Rullgård wrote:

> Jan Engelhardt <jengelh@linux01.gwdg.de> 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.
>
>  
Patient: "Doctor When I poke myself in the eye it hurts."
Doctor "Don't do that then."

--
Jeffrey Hundstad

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/