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  1. JDK
  2. JDK-6185736

Nightly RT_DEMO testing VM "Error: meet not symmetric"

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: P3 P3
    • 6
    • 6
    • hotspot
    • None
    • b14
    • sparc
    • solaris_9

      RT_DEMO tests were added recently for c2_baseline Nightly testing (10/18/2004).
      From the beginning of RT_DEMO testing we have this failure:

      === Meet Not Symmetric ===
      VM option 'CompileThreshold=100'
      t = NULL+bot
      this= rawptr:BotPTR
      mt=(t meet this)= rawptr:BotPTR
      t_dual= NULL+top
      this_dual= rawptr:TopPTR
      mt_dual= rawptr:TopPTR
      mt_dual meet t_dual= NULL
      mt_dual meet this_dual= rawptr:TopPTR
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/type.cpp:453]
      #
      # An unexpected error has been detected by HotSpot Virtual Machine:
      #
      # Internal Error (/net/prt-solx86-q1-6/PrtBuildDir/workspace/src/share/vm/opto/type.cpp, 453), pid=852, tid=9
      #
      # Java VM: Java HotSpot(TM) Server VM (20041018075437.nips.ivsched-debug mixed mode)
      #
      # Error: meet not symmetric
      # An error report file with more information is saved as hs_err_pid852.log
      #
      # If you would like to submit a bug report, please visit:
      # http://java.sun.com/webapps/bugreport/crash.jsp
      #
      Current thread is 9
      Dumping core ...

      It always fails on several platforms: linux-x86, linux-amd64, solaris-x86.
      And one time on solaris-sparc64.

      To reproduce on solaris-x86:

      ksh /net/vmsqe.sfbay/export/backup/UNIFIED-DTF/DTWS/suites/RT_DEMO/testbase/doit -vm /net/vmsqe.sfbay/export/nightly/mantis/JDK/c2_baseline/jdk1.6/solaris-i586/bin/java -vmopts "-server -DHANGINGJAVA702 -XX:CompileThreshold=100" -demo

      It usally fails during Java2Demo test.

      I attached hs_err file for solaris-x86 and solaris-sparc64 runs.
      I copied it from the test run directories:

      /net/vmsqe.sfbay/export/nightly/mantis/DTWS/results/10-19-04/ServerVM/solx86/comp/C2_Baseline/RT_DEMO-NIGHTLY-C2_Baseline-ServerVM-comp-solx86-2004-10-20-02-09-44/hs_err_pid1727.log

      /net/vmsqe.sfbay/export/nightly/mantis/DTWS/results/10-19-04/ServerVM/64BITSOLSPARC/comp/C2_Baseline/RT_DEMO-NIGHTLY-C2_Baseline-ServerVM-comp-64BITSOLSPARC-2004-10-20-05-44-07/hs_err_pid941.log

      Please note, there is a problem with testing.
      The Java2Demo test continue run while the runThis thinks it finished and
      starts the next test SwingSet2. So both tests run at the same time.
      ###@###.### 10/28/04 01:03 GMT

            rasbold Chuck Rasbold
            kvn Vladimir Kozlov
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