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  1. JDK
  2. JDK-6664184

assert(" must own lock UNKNOWN") on jdi tests using CMS

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    • Subcomponent:
      gc
    • CPU:
      generic
    • OS:
      generic

      Description

      Lots of JDI tests crash in the debugee process when run with -XX:+UseConcMarkSweepGC. The crash is:

      #
      # An unexpected error has been detected by Java Runtime Environment:
      #
      # Internal Error (/BUILD_AREA/jdk7/hotspot/src/share/vm/runtime/mutexLocker.cpp:125), pid=21193, tid=2
      # Error: must own lock UNKNOWN

      Stack looks like:
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.so+0x130fa44];; void VMError::report(outputStream*)+0x784
      V [libjvm.so+0x1310a13];; void VMError::report_and_die()+0x4c3
      V [libjvm.so+0x73cc3b];; void report_fatal_vararg(const char*,int,const char*,...)+0x10b
      V [libjvm.so+0xf23bad];; void assert_locked_or_safepoint(const Monitor*)+0xad
      V [libjvm.so+0x671aba];; HeapWord*CompactibleFreeListSpace::block_start(const
      void*)const+0x2a
      V [libjvm.so+0x839e48];; void GenerationBlockStartClosure::do_space(Space*)+0x38
      V [libjvm.so+0x6c6b0a];; void ConcurrentMarkSweepGeneration::space_iterate(SpaceClosure*,bool)+0x1a
      V [libjvm.so+0x837a18];; HeapWord*Generation::block_start(const void*)const+0x38
      V [libjvm.so+0x81e031];; HeapWord*GenCollectedHeap::block_start(const void*)const+0x131
      V [libjvm.so+0xef8c72];; methodOop methodOopDesc::method_from_bcp(unsigned char*)+0x52
      V [libjvm.so+0x512bff];; Bytecodes::Code Bytecodes::non_breakpoint_code_at(unsigned char*,methodOop)+0x2f
      V [libjvm.so+0x901f8a];; void InterpreterRuntime::resolve_get_put(JavaThread*,Bytecodes::Code)+0x97a
      j nsk.jdi.MethodEntryRequest.addInstanceFilter.instancefilter001a.methodForCommunication()V+0
      j nsk.jdi.MethodEntryRequest.addInstanceFilter.instancefilter001a.main([Ljava/lang/String;)V+56
      v ~StubRoutines::call_stub

      hs.err.cms stack attached.

      There are about 71 affected tests. Run this command for one such test (all one line)

      runnsk -XX:+UseConcMarkSweepGC nsk/jdi/MethodEntryRequest/addInstanceFilter/instancefilter001 -jdk $JAVA_HOME -tongajdk $JAVA_HOME

      This crash occurs with the b24 fastdebug jdk. I searched for duplicates but didn't find any.

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              • Assignee:
                Unassigned
                Reporter:
                coleenp Coleen Phillimore
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