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  1. JDK
  2. JDK-8316944

assert(false) failed: graph should be schedulable

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    • x86_64
    • linux_ubuntu

    Description

      ADDITIONAL SYSTEM INFORMATION :
      # JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
      # Java VM: OpenJDK 64-Bit Server VM (25.392-b00-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
      #

      A DESCRIPTION OF THE PROBLEM :
      I ran a testcase using JDK8u392, I found the JVM crashed under the option -XX:DominatorSearchLimit=0

      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/data/xzf/jdk8u/hotspot/src/share/vm/opto/lcm.cpp:967), pid=15043, tid=0x00007f8a37060700
      # assert(false) failed: graph should be schedulable
      #
      # JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
      # Java VM: OpenJDK 64-Bit Server VM (25.392-b00-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
      #
      # If you would like to submit a bug report, please visit:
      # http://bugreport.java.com/bugreport/crash.jsp

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      java -XX:DominatorSearchLimit=0 compiler.controldependency.TestAntiDependentMembar

      ACTUAL -
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/lcm.cpp:967
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/data/jdk8u/hotspot/src/share/vm/opto/lcm.cpp:967), pid=15043, tid=0x00007f8a37060700
      # assert(false) failed: graph should be schedulable
      #
      # JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
      # Java VM: OpenJDK 64-Bit Server VM (25.392-b00-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:
      # /home/repository//toreport/TestAntiDependentMembar_09_24_00_05_09/hs_err_pid15043.log
      [thread 140231603250944 also had an error]
      [thread 140231604303616 also had an error]
      #
      # Compiler replay data is saved as:
      # /home/repository/toreport/TestAntiDependentMembar_09_24_00_05_09/replay_pid15043.log
      #
      # If you would like to submit a bug report, please visit:
      # http://bugreport.java.com/bugreport/crash.jsp
      #
      Current thread is 140231605356288
      Dumping core ...

      ---------- BEGIN SOURCE ----------

      ---------- END SOURCE ----------

      FREQUENCY : always


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              webbuggrp Webbug Group
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                Created:
                Updated:
                Resolved: