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  1. JDK
  2. JDK-8249878

jfr_emergency_dump has secondary crashes

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 15, 16
    • Fix Version/s: 16
    • Component/s: hotspot
    • Subcomponent:
      jfr
    • Resolved In Build:
      b21

      Description


      I have a crash with a stack trace of like 20 frames of secondary crashes from the one that I'm debugging. One such crash is here:

      #5 0x00007fe8db5ff0ff in report_vm_error (
          file=file@entry=0x7fe8dc5f7430 "assert(t->is_Java_thread()) failed",
          detail_fmt=detail_fmt@entry=0x7fe8dc6ddde4 "invariant")
          at src/hotspot/share/runtime/thread.hpp:858
      #6 0x00007fe8db9f23f6 in JfrJavaSupport::check_java_thread_in_vm (t=t@entry=0x7fe8d43146d0)
          at src/hotspot/share/jfr/jni/jfrJavaSupport.cpp:54
      #7 0x00007fe8db9ded0e in prepare_for_emergency_dump (thread=0x7fe8d43146d0)
          at src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp:556

      In this case, the crash is not the JavaThread, it's the VM thread. It's in a safepoint, so it's probably safe to dump the JFR recording.

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              Assignee:
              mgronlun Markus Grönlund
              Reporter:
              coleenp Coleen Phillimore
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