diff -Nru zfs-linux-2.0.6/debian/changelog zfs-linux-2.0.6/debian/changelog
--- zfs-linux-2.0.6/debian/changelog	2021-09-26 12:59:38.000000000 +0100
+++ zfs-linux-2.0.6/debian/changelog	2021-10-13 11:12:37.000000000 +0100
@@ -1,3 +1,9 @@
+zfs-linux (2.0.6-1ubuntu2.1) impish; urgency=medium
+
+  * Fix uid function in zfs initramfs script. LP: #1946808
+
+ -- Dimitri John Ledkov <dimitri.ledkov@canonical.com>  Wed, 13 Oct 2021 11:12:37 +0100
+
 zfs-linux (2.0.6-1ubuntu2) impish; urgency=medium
 
   * Revert workaround on fill locked flag patch (LP: #1906476)
diff -Nru zfs-linux-2.0.6/debian/patches/ubuntu/4000-zsys-support.patch zfs-linux-2.0.6/debian/patches/ubuntu/4000-zsys-support.patch
--- zfs-linux-2.0.6/debian/patches/ubuntu/4000-zsys-support.patch	2021-09-23 07:12:00.000000000 +0100
+++ zfs-linux-2.0.6/debian/patches/ubuntu/4000-zsys-support.patch	2021-10-13 11:12:32.000000000 +0100
@@ -396,5 +396,5 @@
 +
 +uid()
 +{
-+	dd if=/dev/urandom of=/dev/stdout bs=1 count=100 2>/dev/null | tr -dc 'a-z0-9' | cut -c-6
++	grep -a -m10 -E "\*" /dev/urandom 2>/dev/null | tr -dc 'a-z0-9' | cut -c-6
 +}