Index: sys/kern/vfs_mountroot.c
===================================================================
--- sys/kern/vfs_mountroot.c	(revision 214082)
+++ sys/kern/vfs_mountroot.c	(working copy)
@@ -713,8 +713,7 @@ parse_mount(char **conf)
 		goto out;
 	}
 
-	if (strcmp(fs, "zfs") != 0 && dev[0] != '\0' &&
-	    !parse_mount_dev_present(dev)) {
+	if ((strstr(dev, "/dev/") == dev) && !parse_mount_dev_present(dev)) {
 		printf("mountroot: waiting for device %s ...\n", dev);
 		delay = hz / 10;
 		timeout = root_mount_timeout * hz;