host machine: balsawood.east

Running nsk test runtime/ParallelClassLoading/stress-redefine/holdLock/reflect/inner-complex crashed with the following error:

#
# An unexpected error has been detected by Java Runtime Environment:
#
# Internal Error (/java/east/u2/dh198349/ws-bug6498391/src/share/vm/runtime/hpi.cpp, 14), pid=10847, tid=1088649584
#
# Java VM: Java HotSpot(TM) 64-Bit Server VM (1.7.0-internal-dh198349-fastdebug mixed mode)
#
# Error: Unimplemented()
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#

--------------- T H R E A D ---------------

Current thread (0x0000002abee6a400): JavaThread "Loading Thread #2" [_thread_in_vm, id=10863]

Stack: [0x0000000040d37000,0x0000000040e38000), sp=0x0000000040e35b30, free space=1018k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x9a715c];; _ZN7VMError14report_and_dieEv+0x23c
V [libjvm.so+0x3b0bd6];; _Z20report_unimplementedPKci+0x66
V [libjvm.so+0x4610ba];; unimplemented_panic+0x7a

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j sun.reflect.NativeMethodAccessorImpl.invoke0(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+0
j sun.reflect.NativeMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+87
j sun.reflect.DelegatingMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+6
j java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+161
j custom.Invoker.invoke(Ljava/lang/Object;Ljava/lang/reflect/Method;[Ljava/lang/Object;)Ljava/lang/Object;+42
j $Proxy1.generatedCode()V+9
j custom.R2.call(Ljava/lang/Class;)V+37
j custom.R2.load_AllReflectionMethods()V+23
j custom.R2.<init>()V+5
j custom.R2.<clinit>()V+104
v ~StubRoutines::call_stub
j java.lang.Class.forName0(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;+0
j java.lang.Class.forName(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;+32
j runtime.ParallelClassLoading.shared.ProvokeType.provoke(Ljava/lang/ClassLoader;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V+58
j runtime.ParallelClassLoading.shared.ProvokeType.provoke(Ljava/lang/ClassLoader;Ljava/lang/String;)V+8
j runtime.ParallelClassLoading.shared.ClassLoadingThread.run()V+83
v ~StubRoutines::call_stub


Examination of the core revealed:

gdb) where
#0 0x0000002a959e0445 in raise () from /lib64/tls/libc.so.6
#1 0x0000002a959e1bb3 in abort () from /lib64/tls/libc.so.6
#2 0x0000002a963b259c in os::abort ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#3 0x0000002a9659d204 in VMError::report_and_die ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#4 0x0000002a95fa6bd6 in report_unimplemented ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#5 0x0000002a960570ba in unimplemented_panic ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#6 0x0000002a96b3ee03 in sysMonitorExit ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/native_threads/libhpi.so
#7 0x0000002a96b4161a in sysFindLibraryEntry ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/native_threads/libhpi.so
#8 0x0000002a96385248 in NativeLookup::lookup_style ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#9 0x0000002a963853a5 in NativeLookup::lookup_entry ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#10 0x0000002a96385cb7 in NativeLookup::lookup_base ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#11 0x0000002a96385f8e in NativeLookup::lookup ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#12 0x0000002a960b57b8 in InterpreterRuntime::prepare_native_call ()
   from /scratch/dh198349/ws-bug6498391/linux-amd64/fastdebug/jre/lib/amd64/server/libjvm.so
#13 0x0000002a975638f0 in ?? ()
#14 0x0000000040e36080 in ?? ()
#15 0x0000002a97563837 in ?? ()
---Type <return> to continue, or q <return> to quit---
#16 0x0000000040e360f0 in ?? ()
#17 0x0000002abee6b0f8 in ?? ()
#18 0x0000000040e360a0 in ?? ()
#19 0x0000002a975a632e in ?? ()
#20 0x00000000000000b8 in ?? ()
#21 0x0000002a975a6415 in ?? ()
#22 0x0000000040e36020 in ?? ()
#23 0x0000002a9a9a4698 in ?? ()
#24 0x0000000040e360a8 in ?? ()
#25 0x0000002a9a9a4ad8 in ?? ()
#26 0x0000000000000000 in ?? ()

So we appear to have tried to call hpi::sysMonitorExit

But according according to 4919401 the HPI sysThreadxxx and sysMonitorxxx are obsolete, broken and should be removed. So we should never have been calling this code anyway.