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  1. JDK
  2. JDK-8318757

VM_ThreadDump asserts in interleaved ObjectMonitor::deflate_monitor calls

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    • b25
    • x86_64
    • linux
    • Verified

    Description

      The following test failed in the JDK22 CI:

      applications/runthese/RunThese8H.java

      Here's snippets from the hs_err_pid file:

      # Internal Error (/opt/mach5/mesos/work_dir/slaves/afbc6042-3a24-4198-9369-18c663a3f74c-S26242/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/9bb4b2f2-b367-4f77-8070-a87bcc8390e0/runs/b97f4c9a-293f-423a-9fb9-8eaa8a0903d7/workspace/open/src/hotspot/share/runtime/objectMonitor.inline.hpp:123), pid=1966066, tid=1966105
      # assert(prev == old_value) failed: unexpected prev owner=0x0000000000000002, expected=0x0000000000000000
      #
      # JRE version: Java(TM) SE Runtime Environment (22.0+21) (fastdebug build 22-ea+21-1634)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 22-ea+21-1634, mixed mode, sharing, tiered, compressed class ptrs, z gc, linux-amd64)
      # Problematic frame:
      # V [libjvm.so+0x1463f3e] ObjectMonitor::deflate_monitor()+0x87e

      <snip>

      --------------- T H R E A D ---------------

      Current thread (0x00007f955802b180): VMThread "VM Thread" [id=1966105, stack(0x00007f9540457000,0x00007f9540557000) (1024K)]

      Stack: [0x00007f9540457000,0x00007f9540557000], sp=0x00007f95405554a0, free space=1017k
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.so+0x1463f3e] ObjectMonitor::deflate_monitor()+0x87e (objectMonitor.inline.hpp:123)
      V [libjvm.so+0x17348a6] ObjectSynchronizer::deflate_monitor_list(Thread*, LogStream*, elapsedTimer*, ObjectMonitorsHashtable*)+0xa6 (synchronizer.cpp:1603)
      V [libjvm.so+0x1734adc] ObjectSynchronizer::deflate_idle_monitors(ObjectMonitorsHashtable*)+0x18c (synchronizer.cpp:1687)
      V [libjvm.so+0x1880da8] VM_ThreadDump::doit()+0x148 (vmOperations.cpp:289)
      V [libjvm.so+0x18815ff] VM_Operation::evaluate()+0x13f (vmOperations.cpp:71)
      V [libjvm.so+0x18a2251] VMThread::evaluate_operation(VM_Operation*)+0x111 (vmThread.cpp:281)
      V [libjvm.so+0x18a2d8f] VMThread::inner_execute(VM_Operation*)+0x3bf (vmThread.cpp:435)
      V [libjvm.so+0x18a2f74] VMThread::loop()+0x84 (vmThread.cpp:502)
      V [libjvm.so+0x18a3082] VMThread::run()+0x92 (vmThread.cpp:175)
      V [libjvm.so+0x179c5da] Thread::call_run()+0xba (thread.cpp:220)
      V [libjvm.so+0x14a6e2a] thread_native_entry(Thread*)+0x12a (os_linux.cpp:785)

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              stefank Stefan Karlsson
              dcubed Daniel Daugherty
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                Created:
                Updated:
                Resolved: