Setting up initramfs-tools (0.99ubuntu13.1) ...
update-initramfs: deferring update (trigger activated)
/usr/sbin/update-initramfs: 14: /usr/sbin/update-initramfs: cannot create /cdrom/casper/initrd.lz.new: Read-only file system
dpkg: error processing initramfs-tools (--configure):
 subprocess installed post-installation script returned error exit status 2
Setting up nvidia-304-updates (304.116-0ubuntu0.0.1) ...
update-initramfs: deferring update (trigger activated)
/usr/sbin/update-initramfs: 14: /usr/sbin/update-initramfs: cannot create /cdrom/casper/initrd.lz.new: Read-only file system
dpkg: error processing nvidia-304-updates (--configure):
 subprocess installed post-installation script returned error exit status 2