--- a/test/hotspot/jtreg/ProblemList-graal.txt	Tue Nov 13 12:24:13 2018 -0800
+++ b/test/hotspot/jtreg/ProblemList-graal.txt	Tue Nov 13 12:52:37 2018 -0800
@@ -164,20 +164,15 @@
 
 # Graal unit tests
 org.graalvm.compiler.core.test.CheckGraalInvariants                              8205081
-org.graalvm.compiler.core.test.inlining.PolymorphicInliningTest                  8205081
 org.graalvm.compiler.core.test.OptionsVerifierTest                               8205081
-org.graalvm.compiler.core.test.ProfilingInfoTest                                 8205081
 org.graalvm.compiler.hotspot.test.CompilationWrapperTest                         8205081
-org.graalvm.compiler.hotspot.test.HsErrLogTest                                   8205081
-org.graalvm.compiler.hotspot.test.OptionsInFileTest                              8205081
-org.graalvm.compiler.hotspot.test.ReservedStackAccessTest                        8205081
 org.graalvm.compiler.replacements.test.classfile.ClassfileBytecodeProviderTest   8205081
-org.graalvm.compiler.replacements.test.classfile.RedefineIntrinsicTest           8205081
 
 org.graalvm.compiler.core.test.deopt.CompiledMethodTest          8202955
 org.graalvm.compiler.core.test.CountedLoopTest                   8211179
 org.graalvm.compiler.debug.test.DebugContextTest                 8203504
 
 org.graalvm.compiler.hotspot.test.GraalOSRTest                   8206947
+org.graalvm.compiler.hotspot.test.ReservedStackAccessTest        8213567   windows-all
 
 org.graalvm.compiler.debug.test.TimerKeyTest                     8213598

--- a/test/hotspot/jtreg/compiler/graalunit/common/GraalUnitTestLauncher.java	Tue Nov 13 12:24:13 2018 -0800
+++ b/test/hotspot/jtreg/compiler/graalunit/common/GraalUnitTestLauncher.java	Tue Nov 13 12:52:37 2018 -0800
@@ -31,6 +31,7 @@
 
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.JDKToolFinder;
 
 /*
  * This is helper class used to run Graal unit tests.
@@ -262,6 +263,14 @@
 
         ProcessBuilder javaPB = ProcessTools.createJavaProcessBuilder(true,
                 javaFlags.toArray(new String[javaFlags.size()]));
+
+        // Some tests rely on MX_SUBPROCESS_COMMAND_FILE env variable which contains
+        // name of the file with java executable and java args used to launch the current process.
+        Path cmdFile = Files.createTempFile(Path.of(""), "mx_subprocess_", ".cmd");
+        Files.writeString(cmdFile, JDKToolFinder.getJDKTool("java") + System.lineSeparator());
+        Files.write(cmdFile, javaFlags, StandardOpenOption.APPEND);
+        javaPB.environment().put("MX_SUBPROCESS_COMMAND_FILE", cmdFile.toAbsolutePath().toString());
+
         System.out.println("INFO: run command: " + String.join(" ", javaPB.command()));
 
         OutputAnalyzer outputAnalyzer = new OutputAnalyzer(javaPB.start());