I am able to reproduce this bug with ubuntu intrepid ibex release candidate on asus laptop. I'm attaching dmesg.txt and lshal.txt for details.
** Attachment added: "dmesg.txt" http://launchpadlibrarian.net/18976331/dmesg.txt -- Hal error when trying to mount DVDs/CDs https://bugs.launchpad.net/bugs/276088 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs