--- /dev/null	2016-05-13 08:14:24.113033683 +0300
+++ new/test/java/awt/GraphicsDevice/DisplayModes/CompareToXrandrTest.java	2016-05-13 09:34:04.046628736 +0300
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8022810
+ * @summary Cannot list all the available display modes on Ubuntu linux in case
+ *          of two screen devices
+ * @run main CompareToXrandrTest
+ */
+
+import java.awt.GraphicsEnvironment;
+import java.awt.GraphicsDevice;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+public class CompareToXrandrTest {
+
+    public static void main(String[] args) throws Exception {
+        if (!new File("/usr/bin/xrandr").exists()) {
+            System.out.println("No xrandr tool to compare");
+            return;
+        }
+
+        BufferedReader reader = new BufferedReader(new InputStreamReader(
+                Runtime.getRuntime().exec("/usr/bin/xrandr").getInputStream()));
+        reader.readLine();
+        reader.readLine();
+        Pattern pattern = Pattern.compile("^\\s*(\\d+x\\d+)");
+
+        for (GraphicsDevice d : GraphicsEnvironment
+                            .getLocalGraphicsEnvironment().getScreenDevices()) {
+
+            Set<String> xrandrModes = reader.lines().map(pattern::matcher)
+                    .takeWhile(Matcher::find).map(m -> m.group(1))
+                            .collect(Collectors.toSet());
+
+            Set<String> javaModes = Arrays.stream(d.getDisplayModes())
+                    .map(m -> m.getWidth() + "x" + m.getHeight())
+                            .collect(Collectors.toSet());
+
+            if (!xrandrModes.equals(javaModes)) {
+                throw new RuntimeException("Failed");
+            } else {
+                System.out.println("Device " + d + ": " + javaModes.size() +
+                                                               " modes found.");
+            }
+        }
+    }
+}