On Sat, Feb 12, 2005 at 11:28:37PM +0100, Jakub Misak wrote:
> I was using NetBSD 1.6 before, which was good and smooth. But when I 
> switched to 2.0, I noticed that the mouse cursor tends to get much more 
> jerky or even frozen in X under heavy load, sometimes with extremely 
> long pauses. For example, when I unpacked pkgsrc.tgz in /usr, it was not 
> jerky - it was completely, 100% frozen for 10-15 seconds. Which means 
> that there was a 15 second pause when I couldn't move the mouse at all, 
> the whole system didn't respond at all.

Try this (as root):

sysctl -w vm.filemin=0 vm.filemax=1

I think it helped on my system.

  -jm