[Bug 529] New: OpenJDK Shark VM warning: there may be trouble ahead

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=529

           Summary: OpenJDK Shark VM warning: there may be trouble ahead
           Product: IcedTea
           Version: 6-hg
          Platform: all
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Shark
        AssignedTo: unassigned at icedtea.classpath.org
        ReportedBy: xerxes at zafena.se


When running a debug build of shark on ia32 i have spotted "OpenJDK Shark VM
warning: there may be trouble ahead" several times in the jtreg logs. Some
tests seems to triggerts more warnings than others, complete list attached
below:

langtools
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
Passed: com/sun/javadoc/AccessAsciiArt/AccessAsciiArt.java

OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
Passed: com/sun/javadoc/DocRootSlash/DocRootSlash.java

OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
Passed: tools/javac/api/6437999/T6437999.java

OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
Passed: tools/javac/BadOptimization/DeadCode4.java

OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
Passed: tools/javac/generics/rare/Rare10.java


jdk
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
Passed: com/sun/crypto/provider/Cipher/DES/PaddingTest.java

OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
OpenJDK Shark VM warning: there may be trouble ahead
java/nio/channels/Channels/Basic.java

None of the tests that triggers the warning have failed, actually all tests
have passed so...

Whats the trouble?

I have testes Shark using icedtea6 hg tip
ändring:     2202:3fdbfd1baf5e
märke:       tip
användare:   Xerxes Rånby <xerxes at zafena.se>
datum:       Thu Jul 29 13:33:33 2010 +0200
kortfattat:  PR525: Shark made not entrant deopt sigsegv regression after bump
to b20 and hs17


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