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  1. JDK
  2. JDK-6367889

JVM crashes with SIGSEGV when the -XX:+DoEscapeAnalysis is enabled

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    Details

    • Subcomponent:
    • Introduced In Build:
      b63
    • Introduced In Version:
      6
    • Resolved In Build:
      b68
    • CPU:
      x86
    • OS:
      linux

      Description

      FULL PRODUCT VERSION :
      java version "1.6.0-rc"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-rc-b63)
      Java HotSpot(TM) 64-Bit Server VM (build 1.6.0-rc-b63, mixed mode)



      FULL OS VERSION :
      Linux server1.homelinux.net 2.6.14-1.1644_FC4 #1 Sun Nov 27 03:24:54 EST 2005 x86_64 x86_64 x86_64 GNU/Linux


      A DESCRIPTION OF THE PROBLEM :
      When +DoEscapeAnalysis is turned on the program crashes.

      THE PROBLEM WAS REPRODUCIBLE WITH -Xint FLAG: Did not try

      THE PROBLEM WAS REPRODUCIBLE WITH -server FLAG: Yes

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Just compile and run the attached program with the -XX:+DoEscapeAnalysis enabled. It happens about 50% of the time.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      JVM Crash
      ERROR MESSAGES/STACK TRACES THAT OCCUR :
      1000000000, time=3.111


      REPRODUCIBILITY :
      This bug can be reproduced often.

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

      import java.util.*;
      import java.text.*;
      import java.io.*;

      public class TestEscapeAnalysis
      {
          private static final int COUNT = 1000000000;
          public static void main(String[] args) throws Exception {
              test();
              test();
              test();
          }

          private static void test() {
              int x = 0;
              Object lock = new Object();
              long ts = System.currentTimeMillis();
              for (int i=0; i<COUNT; i++) {
                  synchronized (lock) {
                      x ++;
                  }
              }
              long te = System.currentTimeMillis();
              System.out.println(x+", time="+(double)(te-ts)/1000.0);
          }
      }

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

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            Assignee:
            sdeversunw Steve Dever (Inactive)
            Reporter:
            ndcosta Nelson Dcosta (Inactive)
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              Updated:
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