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  1. JDK
  2. JDK-8321619

Generational ZGC: ZColorStoreGoodOopClosure is only valid for young objects

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    • gc
    • b03

    Backports

      Description

        The recently added test java/lang/String/CompactString/NegativeSize test failed with:

        failed: ZColorStoreGoodOopClosure is only valid for young objects

        The test creates several maximum size byte arrays.

        # assert(ZHeap::heap()->is_young(to_zaddress(dst))) failed: ZColorStoreGoodOopClosure is only valid for young objects
        #
        # JRE version: Java(TM) SE Runtime Environment (22.0+27) (fastdebug build 22-ea+27-2244)
        # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 22-ea+27-2244, mixed mode, sharing, tiered, compressed class ptrs, z gc, linux-amd64)
        # Problematic frame:
        # V [libjvm.so+0x1013233] AccessInternal::PostRuntimeDispatch<ZBarrierSet::AccessBarrier<270400ul, ZBarrierSet>, (AccessInternal::BarrierType)9, 270400ul>::access_barrier(oop, oop, unsigned long)+0x2a3

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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-8322533 Generational ZGC: ZColorStoreGoodOopClosure is only valid for young objects

            • P1 - Blocks development and/or testing work, production could not run.
            • 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-8322560 Generational ZGC: ZColorStoreGoodOopClosure is only valid for young objects

            • P1 - Blocks development and/or testing work, production could not run.
            • 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-8323329 Generational ZGC: ZColorStoreGoodOopClosure is only valid for young objects

            • P1 - Blocks development and/or testing work, production could not run.
            • 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-8326546 Generational ZGC: ZColorStoreGoodOopClosure is only valid for young objects

            • P1 - Blocks development and/or testing work, production could not run.
            • Closed
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8324223 J2dBench-vimg_copyarea regressions after JDK-8321619

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8325074 ZGC fails assert(index == 0 || is_power_of_2(index)) failed: Incorrect load shift: 11

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

            Commit Commit openjdk/jdk21u-dev/36c21207

            Commit Commit openjdk/jdk22/3ae97bc5

            Commit Commit openjdk/jdk/be49dabd

            Review Review openjdk/jdk21u-dev/138

            Review Review openjdk/jdk22/20

            Review Review openjdk/jdk/17141

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                eosterlund Erik Österlund
                rriggs Roger Riggs
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                  Created:
                  Updated:
                  Resolved: