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  1. JDK
  2. JDK-8025441

G1: assert "assert(thread < _num_vtimes) failed: just checking" fails when G1ConcRefinementThreads > ParallelGCThreads

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    • Subcomponent:
      gc
    • Resolved In Build:
      b53
    • CPU:
      generic
    • OS:
      generic
    • Verification:
      Not verified

      Backports

        Description

        VM crashes due to failed assertion "assert(thread < _num_vtimes) failed: just checking" when G1ConcRefinementThreads > ParallelGCThreads:

        jdk1.8.0/fastdebug/bin/java -XX:+UseG1GC -XX:G1ConcRefinementThreads=2 -XX:ParallelGCThreads=1 -version

        # To suppress the following error report, specify this argument
        # after -XX: or in .hotspotrc: SuppressErrorAt=/g1RemSetSummary.cpp:70
        #
        # A fatal error has been detected by the Java Runtime Environment:
        #
        # Internal Error (/HUDSON/workspace/8-2-build-linux-amd64/jdk8/254/hotspot/src/share/vm/gc_implementation/g1/g1RemSetSummary.cpp:70), pid=12479, tid=139827559917312
        # assert(thread < _num_vtimes) failed: just checking
        #
        # JRE version: (8.0-b108) (build )
        # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.0-b50-fastdebug mixed mode linux-amd64 compressed oops)
        # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
        #
        # An error report file with more information is saved as:
        # /tmp/8/hs_err_pid12479.log

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                Assignee:
                tschatzl Thomas Schatzl
                Reporter:
                fzhinkin Filipp Zhinkin
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                  Created:
                  Updated:
                  Resolved: