I am seeing the same problem with 12.04. Configuring with TwinView (i.e. one large desktop on both monitors) works, but configuring for "Separate X screen" exhibits the problem described in the bug report.
I am seeing the same problem with 12.04. Configuring with TwinView (i.e. one large desktop on both monitors) works, but configuring for "Separate X screen" exhibits the problem described in the bug report.