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  1. JDK
  2. JDK-8176100

[REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

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    • b164
    • generic
    • generic
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    Backports

      Description

        Mach 5 9-hs detected test failures due to this changeset:

        Changeset: 3bc68ff68250
        Author: kbarrett
        Date: 2017-02-15 22:19 -0500
        URL: http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/3bc68ff68250

        8166188: G1 Needs pre barrier on dereference of weak JNI handles
        Summary: Add low tag to jweaks and G1 barrier for jweak loads.
        Reviewed-by: mgerdin, mdoerr, pliden, dlong, dcubed, coleenp, aph, tschatzl
        Contributed-by: kim.barrett@oracle.com, martin.doerr@sap.com, volker.simonis@sap.com


        which was pushed at 2028 PT/2128 MT/2328 ET so it did not make the 1900 PT
        2017.02.15 nightly cutoff. Mach5's 14 test failures appear to all be in JDK
        tests... Of course, we don't know if there will be additional failures in
        JDK9-hs nightly testing.


        So the good news: Mach5 detected this failure earlier than we would
        have seen it with our normal HotSpot nightly! And with the email
        notification to all of the folks involved, there has already been
        eight follow-up messages (I don't count this one).

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8178212 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8223528 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8246889 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8248932 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8251610 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8260800 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8242334 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8243241 [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed
            clones

            Bug - A problem which impairs or prevents the functions of the product. JDK-8175085 [REDO] G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed
            duplicates

            Bug - A problem which impairs or prevents the functions of the product. JDK-8176325 Failures in g1HeapVerifier.cpp

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-8176365 VM crash during GC with jdk-9+159

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-8177900 jweak pre barrier missing for MemberName

            • P3 - Major loss of function.
            • Closed
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8186325 AArch64: jtreg test hotspot/test/gc/g1/TestJNIWeakG1/TestJNIWeakG1.java SEGV

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8166188 G1 Needs pre barrier on dereference of weak JNI handles

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-8176325 Failures in g1HeapVerifier.cpp

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Enhancement - null JDK-8257192 Integrate AArch64 JIT port into 8u

            • P3 - Major loss of function.
            • Resolved
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                mgerdin Mikael Gerdin (Inactive)
                jwilhelm Jesper Wilhelmsson
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