Are you using brasero? Its CD images burned produce kernel I/O errors with some optical drives.
https://bugzilla.redhat.com/show_bug.cgi?id=571074 ** Bug watch added: Red Hat Bugzilla #571074 https://bugzilla.redhat.com/show_bug.cgi?id=571074 -- IO errors when inserting a disc https://bugs.launchpad.net/bugs/304954 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs