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  1. JDK
  2. JDK-8301403

Eliminate memory allocations during signal handling

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Details

    • Enhancement
    • Resolution: Unresolved
    • P4
    • 24
    • 21
    • hotspot

    Description

      Ideally we should not be allocating any new memory during signal handling, but we appear to do so. Investigate...


      assert failed: assert(memflags == header->flags()) failed: weird NMT flags mismatch (new:"Logging" != old:"Native Memory Tracking":[0x600001b72190])
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/os.cpp:733
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/Volumes/Work/bugs/8298293/jdk/src/hotspot/share/runtime/os.cpp:733), pid=28090, tid=259
      # assert(memflags == header->flags()) failed: weird NMT flags mismatch (new:"Logging" != old:"Native Memory Tracking":[0x600001b72190])

      #
      # JRE version: OpenJDK Runtime Environment (21.0) (fastdebug build 21-internal-adhoc.oracle.jdk)
      # Java VM: OpenJDK 64-Bit Server VM (fastdebug 21-internal-adhoc.oracle.jdk, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, bsd-amd64)
      # No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
      #
      # An error report file with more information is saved as:
      # /Volumes/Work/bugs/8298293/jdk/build/macosx-x86_64-server-fastdebug/test-support/gtest_AsyncLogTest_asynclog_vm_server/hs_err_pid28090.log
      malloc "Internal":[0x600001b08030]
      malloc "Arguments":[0x7fc73405f000]
      free [0x7fc73405f000]
      malloc "Native Memory Tracking":[0x600003e04690]
      malloc "Native Memory Tracking":[0x600003e04700]
      malloc "Native Memory Tracking":[0x600003e04770]
      malloc "Native Memory Tracking":[0x600003e047e0]
      malloc "Native Memory Tracking":[0x600003e04850]
      malloc "Native Memory Tracking":[0x600003e048c0]
      malloc "Native Memory Tracking":[0x600003e04930]
      malloc "Native Memory Tracking":[0x600003e049a0]
      malloc "Native Memory Tracking":[0x600003e04a10]
      malloc "Native Memory Tracking":[0x600003e04a80]
      malloc "Native Memory Tracking":[0x600003e04af0]
      malloc "Native Memory Tracking":[0x600003e04b60]
      malloc "Native Memory Tracking":[0x600003e04bd0]
      malloc "Native Memory Tracking":[0x600003e04c40]
      malloc "Native Memory Tracking":[0x600003e04cb0]
      malloc "Native Memory Tracking":[0x600003e04d20]
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      # The crash happened outside the Java Virtual Machine in native code.
      # See problematic frame for where to report the bug.
      #

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              gziemski Gerard Ziemski
              gziemski Gerard Ziemski
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                Created:
                Updated: