Strange keyboard/mouse behaviour

[Evan Leibovitch]

I've never ever come across this one before.

Since upgrading to Kubuntu 8.10 (and using the nVidea binary driver that 
comes with it), I've been having some very strange things happen to the 
input systems;

- If I press the shift key to type something, sometimes, the shift is 
sticky (as if I pressed caps-lock); sometimes I need to repeatedly press 
the caps-lock key (or sometimes the shift key) to 'unstick' things. This 
is not consistent repeatable, sometimes it happens and sometimes it doesn't.

- Sometimes when I want to highlight a line of something (a specific 
email in Thunderbird, a file in Dolphin, etc.) when I click on a file it 
highlights multiple entries even though I only clicked one line. It's as 
if I'm pressing shift-click even though I'm not pressing anything on the 
keyboard.

Obviously the two are related; the input is reporting that I'm pressing 
shift when I'm not.

I've tried different keyboard layouts without any effect. Is this 
something in software, or is my keyboard (a very good 15 year old 
Fujitsu model with a tactile feedback I can't easily find anymore) 
starting to die on me?

I'm right now disinclined to think hardware failure because things were 
working fine before the upgrade. I just don't know where to start 
diagnosing this. Any suggestions are appreciated.

- Evan
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