Lee Revell <[email protected]> writes:
> On Fri, 2006-03-10 at 22:01 +0000, Måns Rullgård wrote:
>> Jan Engelhardt <[email protected]> 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.
>>
>
> A nice -20 SCHED_OTHER task is not realtime, only SCHED_FIFO and
> SCHED_RR.
Maybe extending sysrq+n to lower the priority of -20 tasks would be a
good idea.
--
Måns Rullgård
[email protected]
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
