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SubjectRe: [BUG] How to get real-time priority using idle priority
Mike Galbraith wrote:
> On Mon, 2009-01-12 at 17:05 -0800, Brian Rogers wrote:
>
>> Ingo Molnar wrote:
>>
>>> i've applied your fix to tip/sched/urgent and merged it into tip/master.
>>> Brian, you might want to test tip/master, as per:
>>>
>>> http://people.redhat.com/mingo/tip.git/README
>>>
>>> which now has this fix included. Can you make it break?
>>>
>> Yeah, I was able to trigger the same freeze again once on my desktop,
>> but it appears to be harder to trigger now. I couldn't get my program to
>> freeze the system, but one of the times I suspended then resumed BOINC,
>> it happened.
>>
> OK, the below seems to cure all of the problems I've encountered, please
> take it out for a spin.
>
This did the trick! I can't make it freeze anymore, with BOINC or with
forkdie, and the system remains responsive even with dozens of idle
priority tasks hogging all spare CPU time. It's great!



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