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  1. JDK
  2. JDK-6896084

VM does not reserve protected page below heap for compressed oops implicit null checks

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    • b04
    • b06
    • x86
    • solaris

    Backports

      Description

        VM should reserve protected page below heap for compressed oops implicit null checks if zero base can not be used.
        But the changes for 6791178: "zero based compressed oops " change code in such way that the page is not reserver
        which could again cause 6716785: "implicit null checks not triggering with CompressedOops" problem.

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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-2184664 VM does not reserve protected page below heap for compressed oops implicit null checks

            • 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-2189890 VM does not reserve protected page below heap for compressed oops implicit null checks

            • 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-2184534 VM does not reserve protected page below heap for compressed oops implicit null checks

            • 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-2187033 VM does not reserve protected page below heap for compressed oops implicit null checks

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-6716785 implicit null checks not triggering with CompressedOops

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

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                kvn Vladimir Kozlov
                kvn Vladimir Kozlov
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