--- b/initramfs-tools/scripts/casper	2016-03-04 23:54:07.991111943 +0100
+++ b/initramfs-tools/scripts/casper.new	2016-03-04 23:55:34.922186808 +0100
@@ -401,10 +401,13 @@
             cow_fstype=$(get_fstype "${cowprobe}")
             cow_mountopt="rw,noatime"
         else
             [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent medium"
         fi
+	#/cdrom was unmounted during find_cow_device, mount it again
+	rm /tmp/tried
+	find_livefs 1
     fi
 
     mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || panic "Can not mount $cowdevice on /cow"
 
     # Work out if this is an existing persistance partition and if so