Yesterday my kernel  was updated to 3.2.0-30-generic.    Today I had difficulty burning a Kubuntu 12.04 LiveCD.
The kernel had changes some settings. In the settings menu, advanced option, check the box "allow over burning", which apparently got unchecked during the upgrade.
					The kernel had changes some settings. In the settings menu, advanced option, check the box "allow over burning", which apparently got unchecked during the upgrade.



 K3B gives errors after kernel update
									
									
									K3B gives errors after kernel update