From: Jeffrey Hundstad <jeffrey.hundstad@mnsu.edu>
To: "Måns Rullgård" <mru@inprovide.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: can I bring Linux down by running "renice -20 cpu_intensive_process"?
Date: Fri, 10 Mar 2006 16:06:51 -0600 [thread overview]
Message-ID: <4411F87B.2070902@mnsu.edu> (raw)
In-Reply-To: <yw1xbqwe2c2x.fsf@agrajag.inprovide.com>
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
next prev parent reply other threads:[~2006-03-10 22:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-10 13:36 can I bring Linux down by running "renice -20 cpu_intensive_process"? Tomasz Chmielewski
2006-03-10 14:44 ` Jan Engelhardt
2006-03-10 14:52 ` Tomasz Chmielewski
2006-03-10 22:01 ` Måns Rullgård
2006-03-10 22:06 ` Jeffrey Hundstad [this message]
2006-03-11 10:42 ` Måns Rullgård
2006-03-12 1:41 ` Luke-Jr
2006-03-12 3:46 ` Lee Revell
2006-03-12 3:50 ` Lee Revell
2006-03-12 3:44 ` Lee Revell
2006-03-12 12:00 ` Måns Rullgård
2006-03-16 21:15 ` Bill Davidsen
2006-03-16 22:11 ` Lee Revell
2006-03-16 22:51 ` Måns Rullgård
2006-03-17 6:05 ` Mike Galbraith
2006-03-17 22:22 ` Måns Rullgård
2006-03-18 12:38 ` Bill Davidsen
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