According to this bug http://bugs.kde.org/show_bug.cgi?id=103157 it is a problem with cdparanoia which audiocd and kaudiocreator use for ripping. But it's an old bug and ripping seemed to work for them. Hope it helps.
-- kio_audiocd eats up CPU instead of displaying CD contents https://launchpad.net/bugs/48731 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
