It is needed for udf (rw) with cd-rw or dvd-rw. Without pktcdvd you can mount these media readonly. /dev/scd0 can be mounted rw only with dvd+rw. -- pktcdvd module missing https://bugs.launchpad.net/bugs/512142 You received this bug notification because you are a member of Ubuntu Burning Team, which is subscribed to udftools in ubuntu.