diff -Nru partman-basicfilesystems-127ubuntu2/debian/changelog partman-basicfilesystems-127ubuntu3/debian/changelog
--- partman-basicfilesystems-127ubuntu2/debian/changelog	2016-11-30 13:34:59.000000000 -0500
+++ partman-basicfilesystems-127ubuntu3/debian/changelog	2020-04-12 10:02:06.000000000 -0400
@@ -1,3 +1,9 @@
+partman-basicfilesystems (127ubuntu3) focal; urgency=medium
+
+  * do not apply extra mount params to /boot/firmware (LP: #1770093)
+
+ -- Dan Streetman <ddstreet@canonical.com>  Sun, 12 Apr 2020 10:02:06 -0400
+
 partman-basicfilesystems (127ubuntu2) zesty; urgency=medium
 
   * Reapply 120ubuntu2 changes:
diff -Nru partman-basicfilesystems-127ubuntu2/fstab.d/basic partman-basicfilesystems-127ubuntu3/fstab.d/basic
--- partman-basicfilesystems-127ubuntu2/fstab.d/basic	2016-11-21 11:42:50.000000000 -0500
+++ partman-basicfilesystems-127ubuntu3/fstab.d/basic	2020-04-12 10:01:27.000000000 -0400
@@ -86,7 +86,7 @@
 					fi
 				fi
 				# base-passwd defines gid 46 as group plugdev
-				if [ "$method" != efi ]; then
+				if [ "$method" != efi -a "$mountpoint" != "/boot/firmware" ]; then
 					options="$options,umask=007,gid=46"
 				fi
 				echo "$path" "$mountpoint" vfat $options 0 1