Testing: http://bts.grml.org/grml/issue1170
--- /dev/null
+--- a/scripts/live-helpers
++++ b/scripts/live-helpers
+@@ -507,6 +507,12 @@
+ return 1
+ fi
+
++ # get_fstype might report "unknown", ignore it as no such kernel module exists
++ if [ "${fstype}" = "unknown" ]
++ then
++ return 1
++ fi
++
+ # Try to look if it is already supported by the kernel
+ if grep -q ${fstype} /proc/filesystems
+ then
31_package_rename.patch
32_add_kms.patch
33_retry_phram.patch
+34_ignore_unknown_filesystems.patch