I tried again, and now it works (it show me the erase option). Sorry, but I don't remember the conditions when I tried before. I will report it if it appear again. Any way, here I attach what you asked for.
** Attachment added: "list_cddrives output" http://librarian.launchpad.net/5689810/list_cddrives -- nautilus-cd-burn should suggest erase a rw-disc when needed https://launchpad.net/bugs/77220 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
