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  1. JDK
  2. JDK-6711117

Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr")

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    • b01
    • generic
    • generic
    • Verified

    Backports

      Description

        64bit fastdebug server jvm fails with assertion

        # A fatal error has been detected by the Java Runtime Environment:
        #
        # Internal Error (/BUILD_AREA/jdk7/hotspot/src/share/vm/opto/compile.cpp:1270), pid=17619, tid=1084266816
        # Error: assert(flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr")
        #
        # Java VM: Java HotSpot(TM) 64-Bit Server VM (13.0-b01-fastdebug compiled mode linux-amd64 compressed oops)

        in comp mode in case both AggressiveOpts CompressedOops are enabled.

        No failure in case AggressiveOpts or CompressedOops are disabled.

        The problem started to appear from HS13-b01 (jdk7b27)

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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-2180587 Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr")

            • P3 - Major loss of function.
            • 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-2177673 Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr")

            • P3 - Major loss of function.
            • Closed
            duplicates

            Bug - A problem which impairs or prevents the functions of the product. JDK-6477531 memnode.cpp,100 assert(consistent,"adr_type must match alias idx") triggered during 1st pass of IGVN

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-6916062 assert(_inserts <= _insert_limit,"hash table overflow") in NodeHash::hash_insert with debug build

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-6819176 Compressed oops causes assert(n != 0L,"Bad immediate dominator info.")

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

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                kvn Vladimir Kozlov
                epavlova Ekaterina Pavlova
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