I arrived here from the launchpad.net bug report. I have the same problem on my system and can reproduce the problem using Ricardo's method in comment 18. This is a fresh install of Ubuntu Intrepid 8.10 (not an upgrade). I previously had no problem with the same hardware on Ubuntu Hardy 8.04.
I'm happy to oblige with any diagnostic info you may need.
I arrived here from the launchpad.net bug report. I have the same problem on my system and can reproduce the problem using Ricardo's method in comment 18. This is a fresh install of Ubuntu Intrepid 8.10 (not an upgrade). I previously had no problem with the same hardware on Ubuntu Hardy 8.04.
I'm happy to oblige with any diagnostic info you may need.