Re: bug, or is it? - SCHED_RR and FPU related

[Nick Piggin]

Rudo Thomas wrote:

> Hi.
>
>
> > xmms probably goes into an infinite loop, preventing anything else
> > from being scheduled, right?
>
> Nope. When I turn the suid bit off, xmms (does not run with SCHED_RR and) just
> hangs consuming no CPU cycles. Strange.
>
> I will look into it tomorrow, the invalid FP division was not the problem, its
> results are.

I think xmms changes the way it runs depending on whether realtime
scheduling is set or not, but I could be wrong.

Programs using realtime scheduling need to be coded pretty
carefully. Xmms is not something I'd bet my system's stability on.

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