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  1. JDK
  2. JDK-6893095

G1: bulk G1 backports to 6u18

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    • gc
    • b04
    • generic
    • generic
    • Verified

    Backports

      Description

        This is a bulk backport to hs16 of the following G1 CRs that are currently in hs17. The CRs are the following:

        6861557: G1: assert(top() == bottom() || zfs == Allocated,"Region must be empty, or ...")
        6887186: G1: Incorrect code generated for G1 pre-barrier by C1 on SPARC
        6885041: G1: inconsistent thread dump
        6882730: G1: parallel heap verification messes up region dump
        6847956: G1: crash in oopDesc*G1ParCopyHelper::copy_to_survivor_space(oopDesc*)
        6888316: G1: has_aborted() || _cm->region_stack_empty() fails
        6888619: G1: too many guarantees in concurrent marking

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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-2184113 G1: bulk G1 backports to 6u18

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-6847956 G1: crash in oopDesc*G1ParCopyHelper::copy_to_survivor_space(oopDesc*)

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-6887186 G1: Incorrect code generated for G1 pre-barrier by C1 on SPARC

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-6882730 G1: parallel heap verification messes up region dump

            • 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-6861557 G1: assert(top() == bottom() || zfs == Allocated,"Region must be empty, or ...")

            • P3 - Major loss of function.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-6885041 G1: inconsistent thread dump

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-6888316 G1: has_aborted() || _cm->region_stack_empty() fails

            • P3 - Major loss of function.
            • Resolved

            Enhancement - null JDK-6888619 G1: too many guarantees in concurrent marking

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

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                tonyp Tony Printezis
                tonyp Tony Printezis
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