diff --git a/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java b/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java
index f6c82e21c3b..1bc49368fa4 100644
--- a/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java
+++ b/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java
@@ -24,6 +24,8 @@
 /*
  * @test
  * @bug 8028994
+ * @ignore 8147477
+ * @ignore 8147494
  * @author Staffan Larsen
  * @library /lib/testlibrary
  * @modules jdk.attach/sun.tools.attach
diff --git a/jdk/test/tools/launcher/TooSmallStackSize.java b/jdk/test/tools/launcher/TooSmallStackSize.java
index dac1c7f0325..9635eaee5bd 100644
--- a/jdk/test/tools/launcher/TooSmallStackSize.java
+++ b/jdk/test/tools/launcher/TooSmallStackSize.java
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 6762191
+ * @ignore 8146751
  * @summary Setting stack size to 16K causes segmentation fault
  * @compile TooSmallStackSize.java
  * @run main TooSmallStackSize