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  1. JDK
  2. JDK-6862370

c1 assert(false,"Non-balanced monitor enter/exit!") with -XX:-UseFastLocking -Xcomp

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    • hs16
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      With -XX:-UseBiasedLocking Queens runs.
      jvmg build on x86 solaris.
      I was using -XX:-UseFastLocking to try to debug some other problem, not sure if you can produce this otherwise.

      % gamma -Xcomp -XX:-UseFastLocking Queens
      VM option '-UseFastLocking'
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/synchronizer.cpp:3440
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/net/philli/scratch1/coleenp/hg/6859079/src/share/vm/runtime/synchronizer.cpp:3440), pid=4226, tid=1
      # Error: assert(false,"Non-balanced monitor enter/exit!")
      #
      # JRE version: 7.0-b45
      # Java VM: Java HotSpot(TM) Client VM (16.0-b04-6859079_0720_1530-jvmg compiled mode solaris-x86 )
      # An error report file with more information is saved as:
      # /net/philli/scratch1/coleenp/hg/6859079/make/solaris/solaris_i486_compiler1/jvmg/hs_err_pid4226.log
      #
      # If you would like to submit a bug report, please visit:
      # http://java.sun.com/webapps/bugreport/crash.jsp
      #
      Current thread is 1
      Dumping core ...
      Abort
      ruger%

      hs_err file attached.

            Unassigned Unassigned
            coleenp Coleen Phillimore
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