Shenandoah: assert(_last_Java_pc == NULL) failed: already walkable when running with verifier

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    • Type: Bug
    • Resolution: Duplicate
    • Priority: P3
    • None
    • Affects Version/s: 8-shenandoah, 11-shenandoah, 14, 15, 16
    • Component/s: hotspot
    • gc

      # Internal Error (/home/zgu/ws/jdk/src/hotspot/cpu/x86/frame_x86.cpp:684), pid=1433, tid=1447
      # assert(_last_Java_pc == NULL) failed: already walkable
      #
      # JRE version: OpenJDK Runtime Environment (16.0) (fastdebug build 16-internal+0-adhoc.zgu.jdk)
      # Java VM: OpenJDK 64-Bit Server VM (fastdebug 16-internal+0-adhoc.zgu.jdk, mixed mode, sharing, tiered, compressed oops, shenandoah gc, linux-amd64)
      # Problematic frame:
      # V [libjvm.so+0xaccc22] frame::sender_for_entry_frame(RegisterMap*) const+0x192

      Seems to quite reproducible when running with -XX:+ShenandoahVerify

            Assignee:
            Zhengyu Gu
            Reporter:
            Zhengyu Gu
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              Created:
              Updated:
              Resolved: