related to https://launchpad.net/distros/ubuntu/+source/cdrtools/+bug/23203 https://launchpad.net/distros/ubuntu/+source/k3b/+bug/38564 perhaps? try the work around posted in both -- tries to access SCSI hard-drive (sg0) when supposed to be writing to /dev/sg1 https://launchpad.net/bugs/42470