X11 extremely slow while compiling other things

[Nathan Lay]

Yi Wang wrote:
> Hi,
>
> My box is running 7.0-PREREALEASE.
>
> When I run more than two building tasks, X11 became extremely slow.
> The mouse pointer can also hardly move.
>
> Running more than two building tasks under 6-stable does not introduce
> the issues.
>
> Does any one know how to solve it?
>
>   
Hi,
I had this problem on 7.0 too, but enabling SCHED_ULE seemed to have 
fixed this problem.  I also disabled 'options SMP' since I have a single 
processor machine - though I'm not sure if this actually contributed to 
the problem.

Best Regards,
Nathan Lay