Exactly the same behaviour using the previous (2.6.31-9-generic) kernel, and the 2.6.31-7-generic kernel I also had.
Exactly the same behaviour running "sudo pm-suspend" at the console.
Exactly the same behaviour using the previous (2.6.31-9-generic) kernel, and the 2.6.31-7-generic kernel I also had.
Exactly the same behaviour running "sudo pm-suspend" at the console.