Forgive the top-post, but I would like to say I was very impressed by the analysis of Joerg Schilling.
Given the issue appears resolved, I can't help myself: > When I bought this notebook in january and first installed gentoo, > cdrecord used to work. Then at some point ago (probably after some > update) it has stopped working with the behaviour I have described > above. This is every single story of Gentoo and Linux in amazing brevity. ~daid