Index: vfs_mountroot.c
===================================================================
--- vfs_mountroot.c	(revision 214058)
+++ vfs_mountroot.c	(working copy)
@@ -713,7 +713,8 @@
 		goto out;
 	}
 
-	if (dev[0] != '\0' && !parse_mount_dev_present(dev)) {
+	if (strcmp(fs, "zfs") && dev[0] != '\0' &&
+	    !parse_mount_dev_present(dev)) {
 		printf("mountroot: waiting for device %s ...\n", dev);
 		delay = hz / 10;
 		timeout = root_mount_timeout * hz;