Comment 6 for bug 1073494

Not reproducible.
It happened to me just that one time, as far as I remember.

Again, if it is even just _possible_ that an application can happen to "leak" cursor state and affect the behavior of the cursor for the whole system, something is either buggy or badly designed at the system level (don't know whether it's Unity or Xorg or what, but not just the application that triggers it).