Ubuntu
xserver-xorg-input-keyboard package

  1. Bug #58884
  2. Comment #1

Comment 1 for bug 58884

Revision history for this message
didier (did447-deactivatedaccount) wrote :

Can you retry after upgrading?

There's a change in Metacity which could fix it.

I believe I've seen it too. in my case shading/unshading the window by clicking on the window title solved it, you may have to change yours windows preferences.