I reported a related bug on bugzilla.kernel.org back in 2009. Basically there was a regression in the kernel logic for detecting 40 and 80 wire PATA cables.
The bug was marked as WON'T FIX but may be related: Cannot read CD: "Logical unit communication CRC error" https://bugzilla.kernel.org/show_bug.cgi?id=13882 ** Bug watch added: Linux Kernel Bug Tracker #13882 http://bugzilla.kernel.org/show_bug.cgi?id=13882 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/228624 Title: DVD writer not working since hardy upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/228624/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs