I tried to compile and use the original sources from http://k3b.plainblack.com, and the problem persisted, so I eventually noticed that the bug is not related to k3b, but to the package "dvd+rw-tools". Just downgrading dvd+rw-tools to an older version (i.e. hardy's 7.0-9ubuntu1) resolved the problem. I'm triaging the bug...
I tried to compile and use the original sources from http:// k3b.plainblack. com, and the problem persisted, so I eventually noticed that the bug is not related to k3b, but to the package "dvd+rw-tools". Just downgrading dvd+rw-tools to an older version (i.e. hardy's 7.0-9ubuntu1) resolved the problem. I'm triaging the bug...