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  1. RVM-645

Bug in LiveAnalysis related to modeling of dataflow through Exception edges in the FCFG

    Details

    • Type: Bug
    • Status: Closed
    • Priority: High
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.0.1
    • Component/s: Compiler: Optimizing
    • Labels:
      None

      Description

      This is the most frequent failure on the perf runs, and therefore should be high priority to resolve.

      For example, see: http://jikesrvm.anu.edu.au/cattrack/results/habanero.anu.edu.au/perf/5047/production/default/perf-jvm98/db-10.

      The relevant stacktrace is:

      – Stack –
      at Lorg/jikesrvm/runtime/RuntimeEntrypoints; deliverHardwareException(II)V at line 685
      at <hardware trap>
      at Lorg/jikesrvm/mm/mmtk/ObjectModel; copy(Lorg/vmmagic/unboxed/ObjectReference;I)Lorg/vmmagic/unboxed/ObjectReference; at line 50
      at Lorg/mmtk/policy/CopySpace; traceObject(Lorg/mmtk/plan/TransitiveClosure;Lorg/vmmagic/unboxed/ObjectReference;I)Lorg/vmmagic/unboxed/ObjectReference; at line 187
      at Lorg/mmtk/plan/generational/GenNurseryTraceLocal; traceObject(Lorg/vmmagic/unboxed/ObjectReference;)Lorg/vmmagic/unboxed/ObjectReference; at line 87
      at Lorg/mmtk/plan/TraceLocal; traceObject(Lorg/vmmagic/unboxed/ObjectReference;Z)Lorg/vmmagic/unboxed/ObjectReference; at line 300
      at Lorg/mmtk/plan/TraceLocal; processRootEdge(Lorg/vmmagic/unboxed/Address;Z)V at line 122
      at Lorg/mmtk/plan/TraceLocal; processRoots()V at line 467
      at Lorg/mmtk/plan/TraceLocal; completeTrace()V at line 479
      at Lorg/mmtk/plan/generational/GenCollector; collectionPhase(SZ)V at line 101
      at Lorg/mmtk/plan/generational/marksweep/GenMSCollector; collectionPhase(SZ)V at line 144
      at Lorg/mmtk/plan/Phase; processPhaseStack(Z)Z at line 477
      at Lorg/mmtk/plan/Phase; beginNewPhaseStack(I)Z at line 390
      at Lorg/mmtk/plan/StopTheWorldCollector; collect()V at line 39
      at Lorg/jikesrvm/mm/mminterface/CollectorThread; run()V at line 383
      at Lorg/jikesrvm/scheduler/RVMThread; startoff()V at line 627
      Virtual machine state:

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            • Assignee:
              dgrove DaveG
              Reporter:
              dgrove DaveG
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              Dates

              • Created:
                Updated:
                Resolved: