Re: [REPORT] cfs-v4 vs sd-0.44

Mark Lord
2007-04-22T13:18:29Z

Ingo Molnar wrote:
> * Jan Engelhardt <jengelh@linux01.gwdg.de> wrote:
>
>>> i've attached it below in a standalone form, feel free to put it
>>> into SD! :)
>> Assume X went crazy (lacking any statistics, I make the unproven
>> statement that this happens more often than kthreads going berserk),
>> then having it niced with minus something is not too nice.
>
> i've not experienced a 'runaway X' personally, at most it would crash or
> lock up ;) The value is boot-time and sysctl configurable as well back
> to 0.
>

Mmmm.. I've had to kill off the odd X that was locking in 100% CPU usage.
In the past, this has happened maybe 1-3 times a year or so on my notebook.

Now mind you, that usage could have been due to some client process,
but X is where the 100% showed up, so X is what I nuked.

Cheers