I'm having the same problem with Ubuntu 12.10 : the install CD hangs at boot and adding libata.atapi_passthru16=0 solve the problem.
** Information type changed from Public to Public Security ** Changed in: linux (Ubuntu) Status: Expired => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/817147 Title: Boot hang on natty with Samsung SH-S223C DVD-RW Drive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/817147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs