jdk_util_0 java/util/concurrent/StructuredTaskScope/StructuredTaskScopeTest.java#virtual j9vm.224 ASSERTION FAILED at vm/ContinuationHelpers.cpp:997: ((newLockword != 2))

[JasonFengJ9]

Failure link

From internal Test_openjdk24_j9_sanity.openjdk_ppc64_aix_testList_2 (paix910)

openjdk version "24.0.1-beta" 2025-04-15
IBM Semeru Runtime Open Edition 24.0.1+9-202505241634 (build 24.0.1-beta+9-202505241634)
Eclipse OpenJ9 VM 24.0.1+9-202505241634 (build master-7bed029788, JRE 24 AIX ppc64-64-Bit Compressed References 20250524_67 (JIT enabled, AOT enabled)
OpenJ9   - 7bed029788
OMR      - 988ae21a0
JCL      - 66c0fb7ed based on jdk-24.0.1+9)

Rerun in Grinder - Change TARGET to run only the failed test targets

Optional info

Failure output (captured from console output)

[2025-05-24T22:15:16.849Z] variation: -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache Mode150
[2025-05-24T22:15:16.849Z] JVM_OPTIONS:  -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache -XX:+UseCompressedOops -Xverbosegclog 

[2025-05-24T22:25:28.941Z] TEST: java/util/concurrent/StructuredTaskScope/StructuredTaskScopeTest.java#virtual

[2025-05-24T22:25:28.942Z] STARTED    StructuredTaskScopeTest::testForkCreatesThread '[1] java.lang.ThreadBuilders$VirtualThreadFactory@14a44bf0'
[2025-05-24T22:25:28.942Z] 22:25:09.237 0x304e9e00    j9vm.224    *   ** ASSERTION FAILED ** at /home/jenkins/workspace/build-scripts/jobs/jdk24/jdk24-aix-ppc64-openj9/workspace/build/src/openj9/runtime/vm/ContinuationHelpers.cpp:997: ((newLockword != 2))

[2025-05-24T22:25:28.942Z] TEST RESULT: Failed. Unexpected exit from test [exit code: 255]
[2025-05-24T22:25:28.942Z] --------------------------------------------------
[2025-05-24T23:02:01.982Z] Test results: passed: 963; failed: 1

[2025-05-24T23:02:26.274Z] jdk_util_0_FAILED

50x internal Grinder - still in progress, 2 failures were reproduced

openjdk24_j9_sanity.openjdk_x86-64_windows

[2025-05-25T22:32:45.830Z] variation: -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache -XX:-JITServerTechPreviewMessage Mode650
[2025-05-25T22:32:46.259Z] JVM_OPTIONS:  -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache -XX:-JITServerTechPreviewMessage -XX:-UseCompressedOops -Xverbosegclog 

[2025-05-26T01:23:47.024Z] TEST: java/lang/Thread/virtual/SynchronizedNative.java#Xint

[2025-05-26T01:23:47.026Z] STARTED    SynchronizedNative::testEnterConcurrently '[6] 2, 4'
[2025-05-26T01:23:47.026Z]   6 threads started
[2025-05-26T01:23:47.026Z]   join Thread[#53,Thread-3,5,MainThreadGroup] ...
[2025-05-26T01:23:47.026Z] 01:23:14.036 0x1c428959a00    j9vm.224    *   ** ASSERTION FAILED ** at c:\workspace\openjdk-build\workspace\build\src\openj9\runtime\vm\ContinuationHelpers.cpp:997: ((newLockword != 2))
[2025-05-26T01:23:47.026Z]   join Thread[#54,Thread-4,5,] ...
[2025-05-26T01:23:47.026Z]   join JVMDUMP039I Processing dump event "traceassert", detail "" at 2025/05/25 18:23:14 - please wait.

[2025-05-26T01:23:47.027Z] TEST RESULT: Failed. Unexpected exit from test [exit code: -1]
[2025-05-26T01:23:47.027Z] --------------------------------------------------
[2025-05-26T01:46:42.167Z] Test results: passed: 923; failed: 1

[2025-05-26T01:47:41.985Z] jdk_lang_1_FAILED

openjdk24_j9_extended.openjdk_ppc64_aix

[2025-05-27T04:44:03.420Z] variation: Mode650
[2025-05-27T04:44:03.420Z] JVM_OPTIONS:  -XX:-UseCompressedOops -Xverbosegclog 

[2025-05-27T04:53:29.929Z] TEST: serviceability/jvmti/vthread/PopFrameTest/PopFrameTest.java#no-vmcontinuations

[2025-05-27T04:53:29.931Z] 04:53:13.779 0x10023d33300    j9vm.224    *   ** ASSERTION FAILED ** at /home/jenkins/workspace/build-scripts/jobs/jdk24/jdk24-aix-ppc64-openj9/workspace/build/src/openj9/runtime/vm/ContinuationHelpers.cpp:998: ((newLockword != 2))

[2025-05-27T04:55:25.352Z] -----------------------------------
[2025-05-27T04:55:25.352Z] serviceability_jvmti_j9_1_FAILED

[tajila]

@fengxue-IS Please take a look at this

[JasonFengJ9]

https://openj9-jenkins.osuosl.org/job/Test_openjdk24_j9_sanity.openjdk_ppc64le_linux_Nightly_testList_1/87/consoleFull

21:44:15  Running test jdk_util_0 ...

21:44:15  variation: -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache Mode150
21:44:15  JVM_OPTIONS:  -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache -XX:+UseCompressedOops -Xverbosegclog 

21:46:06  TEST: java/util/concurrent/ExecutorService/InvokeTest.java

21:46:06  01:46:02.642 0xa04900    j9vm.224    *   ** ASSERTION FAILED ** at /home/jenkins/workspace/Build_JDK24_ppc64le_linux_Nightly/openj9/runtime/vm/ContinuationHelpers.cpp:998: ((newLockword != 2))

https://openj9-jenkins.osuosl.org/job/Test_openjdk24_j9_sanity.openjdk_x86-64_linux_Nightly_testList_2/87/consoleFull

20:22:22  Running test jdk_lang_j9_1 ...

20:22:22  variation: -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache -XX:-JITServerTechPreviewMessage Mode501 -XXgc:fvtest_forceCopyForwardHybridMarkCompactRatio=10
20:22:22  JVM_OPTIONS:  -Xdump:system:none -Xdump:heap:none -Xdump:system:events=gpf+abort+traceassert+corruptcache -XX:-JITServerTechPreviewMessage -Xjit -Xgcpolicy:balanced -Xnocompressedrefs -XXgc:fvtest_forceCopyForwardHybridMarkCompactRatio=10 -Xverbosegclog 

20:46:18  TEST: java/lang/Thread/virtual/stress/LotsOfContendedMonitorEnter.java#LM_LIGHTWEIGHT

20:46:18  00:46:04.457 0x7f3b8c02c100    j9vm.224    *   ** ASSERTION FAILED ** at /home/jenkins/workspace/Build_JDK24_x86-64_linux_Nightly/openj9/runtime/vm/ContinuationHelpers.cpp:998: ((newLockword != 2))

https://openj9-jenkins.osuosl.org/job/Test_openjdk24_j9_sanity.openjdk_ppc64le_linux_Nightly_testList_1/88/consoleFull

21:19:24  TEST: java/util/concurrent/ExecutorService/InvokeTest.java

21:19:24  01:19:11.305 0xc64000    j9vm.224    *   ** ASSERTION FAILED ** at /home/jenkins/workspace/Build_JDK24_ppc64le_linux_Nightly/openj9/runtime/vm/ContinuationHelpers.cpp:998: ((newLockword != 2))

[babsingh]

The new assertion introduced in #21877, which was merged last Friday, is being triggered.

[fengxue-IS]

I suspect this maybe due to lock being reserved after reaching the while loop, running personal build with debug logging to confirm this.