I can confirm the exact same results on the same laptop.
Dell XPS l702x with full-hd 3d display and NVidia GT 555m.
$ uname -a Linux timo-laptop 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
I can confirm the exact same results on the same laptop.
Dell XPS l702x with full-hd 3d display and NVidia GT 555m.
$ uname -a
Linux timo-laptop 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux