X11 extremely slow while compiling other things

[Eugene Grosbein]

On Sun, Oct 21, 2007 at 11:07:34AM +0800, Yi Wang wrote:

> 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?

Yes. There is definitely something wrong with SCHED_4BSD
in RELENG_7 comparing with the same for RELENG_6
(same hardware, same settings for kernel/world).

Eugene Grosbein