Since kernel 2.6.28 (2.6.27rc8 - last working for me kernel) not work my dvd-rw drive. Similar problem - _https://bugs.launchpad.net/ubuntu/+source/linux/+bug/238835. Last kernel I probe is 2.6.31
Created attachment 23645 [details] dmesg_2.6.31
Created attachment 23646 [details] dmesg_2.6.27
Closing as obsolete. If this is still reproducable with modern kernels please update the bug thanks Alan