I have two small problems here:

Problem 1 setup:

Mandrake 10.0
Microsoft optical mouse (I tried with other mice)
Dell mouse pad. As crazy as it sounds, the mouse pad is a very important part. Dell has the best mouse pad in the world, ever and I mean it. I seriously compared it with at least 15 other brands (when I played CS). The only problem is that some bozo decided to put a logo and some text on it that really mess optical mice (there is a thread on dells web). This is not only for linux, the problem also exists in windows but the effects are diffrent.

I windows, sometimes, the mouse can jump, from 50 to 200 pixels. This doesn't happend all the time and happends on a rather small part of the pad. I linux (I remember I had some problems in red hat too) the problem is much worse. Not only doe the mouse jump but it also freezees for a second or so. Some frentic shaking of the mouse can shorten the wait. Taking the mouse up and down again also helps sometimes.

Problem 2 setup:
I have a KVM and when I switch back to mandrake. The mouse goes bersek (jumps, clicks). I have tryed with diffrent mice, and two diffrent KVM (belking both of them but completely diffrent model). I never had problems when I was running redhat.

Some times ago I used Mandrake 9.2. The problem existed there too but it was possible to switch to another console and upon comming back the mouse would work properly.

In M10 things get so messed up that the only solution is to _reboot_!

Cheers, Nadim.