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  1. JDK
  2. JDK-8169703

G1 crashes with guarantee(pretouch_gang != NULL) failed: No pretouch gang specified

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P2
    • Resolution: Fixed
    • Affects Version/s: 9
    • Fix Version/s: 9
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
      gc
    • Introduced In Build:
      b139
    • Resolved In Build:
      b150
    • Verification:
      Verified

      Description

      JDK 9 64 bit(fastdebug & product) crash with following options "-XX:+AlwaysPreTouch -XX:+DumpSharedSpaces" starting with b139 on my Linux-x64 system:
      java -XX:+AlwaysPreTouch -XX:+DumpSharedSpaces -version
      Allocated shared space: 50577408 bytes at 0x0000000800000000
      Loading classes to share ...
      Loading classes to share: done.
      Rewriting and linking classes ...
      Rewriting and linking classes: done
      Number of classes 1178
          instance classes = 1164
          obj array classes = 6
          type array classes = 8
      Updating ConstMethods ... done.
      Removing unshareable information ... done.
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/g1PageBasedVirtualSpace.cpp:265
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/HUDSON/workspace/9-2-build-linux-amd64-phase2/jdk9/5571/hotspot/src/share/vm/gc/g1/g1PageBasedVirtualSpace.cpp:265), pid=6703, tid=6781
      # guarantee(pretouch_gang != NULL) failed: No pretouch gang specified.
      #
      # JRE version: (9.0+139) (fastdebug build )
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 9-ea+139, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
      # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %P" (or dumping to /home/ddmitriev/bundles/jdk-9/b139/jdk-9/fastdebug/bin/core.6703)
      #
      # An error report file with more information is saved as:
      # /home/ddmitriev/bundles/jdk-9/b139/jdk-9/fastdebug/bin/hs_err_pid6703.log
      Phoning home...
      Using server: 10.161.186.18, port 4711
      #
      # If you would like to submit a bug report, please visit:
      # http://bugreport.java.com/bugreport/crash.jsp
      #

      hs_err_pid6703.log is attached.

      32 bit version works fine.

      b139 contains several fixes in memory pretouch(JDK-8157952) and CDS(JDK-8078644). Probably one of these fixes introduces regression.

      UPDATE: Failed guarantee was added as part of the fix for JDK-8157952 "Parallelize Memory Pretouch"

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              Assignee:
              tschatzl Thomas Schatzl
              Reporter:
              ddmitriev Dmitry Dmitriev
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                Updated:
                Resolved: