Re: [BUG] How to get real-time priority using idle priority

[Brian Rogers]

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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