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  1. JDK
  2. JDK-8292077

G1 nmethod entry barriers don't keep oops alive

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Details

    • Bug
    • Status: Resolved
    • P2
    • Resolution: Fixed
    • 8, 11, 17, 18, 19, 20
    • 20
    • hotspot
    • gc
    • b11

    Description

      The intention is that when G1 uses nmethod entry barriers, it keeps nmethod oops alive. It's easy enough to do it and makes the compiled code more robust. The current code fails to do that, even though it intended to. That should be fixed.

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          Bug - A problem which impairs or prevents the functions of the product. JDK-8288970 G1 does not keep weak nmethod oops alive

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8292368 [ppc64] internal error g1BarrierSet.inline.hpp assert(oopDesc::is_oop(pre_val, true)) failed: Error

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

          Commit Commit openjdk/jdk/1c0f0f42

          Review Review openjdk/jdk/9817

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            People

              eosterlund Erik Österlund
              eosterlund Erik Österlund
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              Dates

                Created:
                Updated:
                Resolved: