I have the same problem with Ubuntu Dapper and Edgy, but not with Kubuntu Dapper and Edgy. It is impossible to read data DVD or DVD movie. I have a Lite-on brand DVD drive.
-- DVD drive mounted to /media/usbdisk https://launchpad.net/bugs/51164 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs