KVM and mouse stability

[Mike Rambour]

>when switching back to FC-3, mouse is erratic and unusable. Doesn't help
>to switch to text console (Control-Alt-F2) and back to X. Doesn't help

  Drives me crazy and I actually had 2 mouses on my desk not plugged into 
the KVM but a friend said hitting the ESC key worked for him and I tried 
it, it works for me too.  I have no idea why the ESC key would fix it but 
it does for my friend and I.  By the way it started on FC2 for me.