Currently the following SA tests are failing on PPC64:
serviceability/sa/ClhsdbFindPC.java
serviceability/sa/ClhsdbInspect.java
serviceability/sa/ClhsdbJdis.java
serviceability/sa/ClhsdbJstack.java
serviceability/sa/ClhsdbPrintAs.java
serviceability/sa/ClhsdbSource.java
serviceability/sa/ClhsdbWhere.java
serviceability/sa/JhsdbThreadInfoTest.java
serviceability/sa/TestClhsdbJstackLock.java
serviceability/sa/TestJhsdbJstackLock.java
Initial investigation points to at least one issue when walking the native+JVM stacks incorrectly.