diff --git a/lib/libzfs/libzfs_mount.c b/lib/libzfs/libzfs_mount.c
index 39ca2be05019..301113484d83 100644
--- a/lib/libzfs/libzfs_mount.c
+++ b/lib/libzfs/libzfs_mount.c
@@ -1310,12 +1310,13 @@ mountpoint_cmp(const void *arga, const void *argb)
 }
 
 /*
- * Return true if path2 is a child of path1.
+ * Return true if path2 is a child of path1 or path2 equals path1.
  */
 static boolean_t
 libzfs_path_contains(const char *path1, const char *path2)
 {
-	return (strstr(path2, path1) == path2 && path2[strlen(path1)] == '/');
+	return ((strcmp(path1, path2) == 0) ||
+	    (strstr(path2, path1) == path2 && path2[strlen(path1)] == '/'));
 }
 
 /*
diff --git a/tests/runfiles/linux.run b/tests/runfiles/linux.run
index b73528e43a0c..9b201b745f92 100644
--- a/tests/runfiles/linux.run
+++ b/tests/runfiles/linux.run
@@ -181,8 +181,9 @@ tests = ['zfs_mount_001_pos', 'zfs_mount_002_pos', 'zfs_mount_003_pos',
     'zfs_mount_004_pos', 'zfs_mount_005_pos', 'zfs_mount_006_pos',
     'zfs_mount_007_pos', 'zfs_mount_008_pos', 'zfs_mount_009_neg',
     'zfs_mount_010_neg', 'zfs_mount_011_neg', 'zfs_mount_012_neg',
-    'zfs_mount_all_001_pos', 'zfs_mount_encrypted', 'zfs_mount_remount',
-    'zfs_multi_mount', 'zfs_mount_all_fail', 'zfs_mount_all_mountpoints']
+    'zfs_mount_all_001_pos', 'zfs_mount_all_fail', 'zfs_mount_all_mountpoints',
+    'zfs_mount_encrypted', 'zfs_mount_remount', 'zfs_mount_test_race',
+    'zfs_multi_mount']
 tags = ['functional', 'cli_root', 'zfs_mount']
 
 [tests/functional/cli_root/zfs_program]
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/Makefile.am b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/Makefile.am
index b2de98934b74..c208a1c378dc 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/Makefile.am
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/Makefile.am
@@ -19,6 +19,7 @@ dist_pkgdata_SCRIPTS = \
 	zfs_mount_all_mountpoints.ksh \
 	zfs_mount_encrypted.ksh \
 	zfs_mount_remount.ksh \
+	zfs_mount_test_race.sh \
 	zfs_multi_mount.ksh
 
 dist_pkgdata_DATA = \
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_test_race.sh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_test_race.sh
new file mode 100755
index 000000000000..08a0746fdd2b
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_test_race.sh
@@ -0,0 +1,93 @@
+#!/bin/ksh
+
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2019 by Tomohiro Kusumi. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+#
+# DESCRIPTION:
+# Verify parallel mount ordering is consistent.
+# See github.com/zfsonlinux/zfs/issues/8833 for details.
+#
+# STRATEGY:
+# 1. Create pools and filesystems.
+# 2. Set same mount point for >1 datasets.
+# 3. Unmount all datasets.
+# 4. Mount all datasets.
+# 5. Unmount all datasets.
+# 6. Mount all datasets.
+#
+
+verify_runnable "both"
+
+TMPDIR=${TMPDIR:-$TEST_BASE_DIR}
+MNTPT=$TMPDIR/zfs_mount_test_race_mntpt
+
+DISK1="$TMPDIR/zfs_mount_test_race_disk1"
+TESTPOOL1=zfs_mount_test_race_tp1
+TESTFS1=zfs_mount_test_race_tf1
+
+DISK2="$TMPDIR/zfs_mount_test_race_disk2"
+TESTPOOL2=zfs_mount_test_race_tp2
+TESTFS2=zfs_mount_test_race_tf2
+
+log_must zfs unmount -a # unmount zfs mounts from previous tests
+log_must rm -rf $MNTPT
+log_must rm -rf /$TESTPOOL1
+log_must rm -rf /$TESTPOOL2
+
+function cleanup
+{
+	zpool destroy $TESTPOOL1
+	zpool destroy $TESTPOOL2
+	rm -rf $MNTPT
+	rm -rf /$TESTPOOL1
+	rm -rf /$TESTPOOL2
+	rm -f $DISK1
+	rm -f $DISK2
+	log_must zfs mount -a # remount unmounted zfs mounts
+}
+log_onexit cleanup
+
+log_note "Verify parallel mount ordering is consistent"
+
+log_must truncate -s $MINVDEVSIZE $DISK1
+log_must truncate -s $MINVDEVSIZE $DISK2
+
+log_must zpool create -f $TESTPOOL1 $DISK1
+log_must zpool create -f $TESTPOOL2 $DISK2
+
+log_must zfs create $TESTPOOL1/$TESTFS1
+log_must zfs create $TESTPOOL2/$TESTFS2
+
+log_must zfs set mountpoint=none $TESTPOOL1
+log_must zfs set mountpoint=$MNTPT $TESTPOOL1/$TESTFS1
+
+# Note that unmount can fail (due to race condition on `zfs mount -a`) with or
+# without `canmount=off`. The race has nothing to do with canmount property.
+log_must zfs set canmount=off $TESTPOOL2
+log_must zfs set mountpoint=$MNTPT $TESTPOOL2
+
+log_must ismounted $TESTPOOL1/$TESTFS1
+log_must ismounted $TESTPOOL2/$TESTFS2
+log_must zfs unmount -a
+log_must zfs mount -a
+
+log_must ismounted $TESTPOOL1/$TESTFS1
+log_must ismounted $TESTPOOL2/$TESTFS2
+log_must zfs unmount -a # verify this succeeds
+
+log_pass "Verify parallel mount ordering is consistent passed"