[5.112s][info][gc             ] Trigger (Young): Free (66560K) is below minimum threshold (67686K)                                                                                                                                                   
[5.113s][info][gc,free        ] Free: 66560K, Max: 512K regular, 66560K humongous, Frag: 0% external, 0% internal; Used: 0B, Mutator Free: 130 Collector Reserve: 34303K, Max: 512K; Used: 16B Old Collector Reserve: 799K, Max: 511K; Used: 1248K   
[5.113s][info][gc,ergo        ] GC(61) Start GC cycle (Young)                                                                                                                                                                                        
[5.113s][info][gc,start       ] GC(61) Concurrent reset (Young)                                                                                                                                                                                      
[5.113s][info][gc,task        ] GC(61) Using 2 of 4 workers for Concurrent reset (Young)                                                                                                                                                             
[5.113s][info][gc,ergo        ] GC(61) Pacer for Reset. Non-Taxable: 1024M                                                                                                                                                                           
[5.116s][info][gc             ] GC(61) Concurrent reset (Young) 2.852ms                                                                                                                                                                              
[5.116s][info][gc,barrier     ] GC(61) Cleaned read_table from 0x000073bc42cb0000 to 0x000073bc42eaffff                                                                                                                                              
[5.116s][info][gc,start       ] GC(61) Pause Init Mark (Young)                                                                                                                                                                                       
[5.116s][info][gc,task        ] GC(61) Using 4 of 4 workers for init marking                                                                                                                                                                         
[5.118s][info][gc,barrier     ] GC(61) Current write_card_table: 0x000073bc426b0000                                                                                                                                                                  
[5.118s][info][gc,ergo        ] GC(61) Pacer for Mark. Expected Live: 986M, Free: 66560K, Non-Taxable: 6656K, Alloc Tax Rate: 18.5x                                                                                                                  
[5.118s][info][gc             ] GC(61) Pause Init Mark (Young) 2.367ms                                                                                                                                                                               
[5.119s][info][gc,start       ] GC(61) Concurrent remembered set scanning                                                                                                                                                                            
[5.119s][info][gc,task        ] GC(61) Using 2 of 4 workers for Concurrent remembered set scanning                                                                                                                                                   
Allocated: 761 Mb                                                                                                                                                                                                                                    
[5.121s][info][gc             ] GC(61) Concurrent remembered set scanning 2.130ms                                                                                                                                                                    
[5.121s][info][gc,start       ] GC(61) Concurrent marking roots                                                                                                                                                                                      
[5.121s][info][gc,task        ] GC(61) Using 2 of 4 workers for concurrent marking roots                                                                                                                                                             
[5.121s][info][gc             ] GC(61) Concurrent marking roots 0.648ms                                                                                                                                                                              
[5.121s][info][gc,start       ] GC(61) Concurrent marking (Young)                                                                                                                                                                                    
[5.121s][info][gc,task        ] GC(61) Using 2 of 4 workers for concurrent marking                                                                                                                                                                   
[5.122s][info][gc             ] GC(61) Concurrent marking (Young) 0.496ms                                                                                                                                                                            
[5.122s][info][gc,start       ] GC(61) Pause Final Mark (Young)                                                                                                                                                                                      
[5.122s][info][gc,task        ] GC(61) Using 4 of 4 workers for final marking                                                                                                                                                                        
[5.122s][info][gc,age         ] GC(61)  - age   1: prev  118615728 bytes, curr          0 bytes, mortality 1.00                                                                                                                                      
[5.122s][info][gc,age         ] GC(61)  - age   2: prev   43016240 bytes, curr          0 bytes, mortality 1.00                                                                                                                                      
[5.122s][info][gc,age         ] GC(61)  - age   3: prev  617093064 bytes, curr          0 bytes, mortality 1.00                                                                                                                                      
[5.122s][info][gc,age         ] GC(61) ----------------------------------------------------------------------------                                                                                                                                  
[5.123s][info][gc,ergo        ] GC(61) Planning to promote in place 0 humongous regions and 0 regular regions, spanning a total of 0 used bytes                                                                                                      
[5.123s][info][gc,ergo        ] GC(61) Collectable Garbage: 158M (99%), Immediate: 158M (99%), 321 regions, CSet: 0B (0%), 0 regions                                                                                                                 
[5.123s][info][gc,free        ] Free: 224M, Max: 512K regular, 66048K humongous, Frag: 7% external, 68% internal; Used: 154M, Mutator Free: 449 Collector Reserve: 34304K, Max: 512K; Used: 4542K Old Collector Reserve: 799K, Max: 511K; Used: 1248K
[5.123s][info][gc             ] GC(61) Pause Final Mark (Young) 1.383ms                                                                                                                                                                              
[5.123s][info][gc,start       ] GC(61) Concurrent weak references (Young)                                                                                                                                                                            
[5.123s][info][gc,task        ] GC(61) Using 2 of 4 workers for concurrent weak references                                                                                                                                                           
[5.123s][info][gc,ref         ] GC(61) Encountered references: Soft: 0, Weak: 0, Final: 0, Phantom: 0                                                                                                                                                
[5.123s][info][gc,ref         ] GC(61) Discovered  references: Soft: 0, Weak: 0, Final: 0, Phantom: 0                                                                                                                                                
[5.123s][info][gc,ref         ] GC(61) Enqueued    references: Soft: 0, Weak: 0, Final: 0, Phantom: 0                                                                                                                                                
[5.123s][info][gc             ] GC(61) Concurrent weak references (Young) 0.194ms                                                                                                                                                                    
[5.123s][info][gc,start       ] GC(61) Concurrent weak roots (Young)                                                                                                                                                                                 
[5.124s][info][gc,task        ] GC(61) Using 2 of 4 workers for concurrent weak root                                                                                                                                                                 
Allocated: 702 Mb                                                                                                                                                                                                                                    
[5.124s][info][gc             ] GC(61) Concurrent weak roots (Young) 0.654ms                                                                                                                                                                         
[5.124s][info][gc,start       ] GC(61) Concurrent cleanup (Young)                                                                                                                                                                                    
[5.124s][info][gc,task        ] GC(61) Using 2 of 4 workers for cleanup early.                                                                                                                                                                       
[5.135s][info][gc             ] GC(61) Concurrent cleanup (Young) 925M->766M(1024M) 10.411ms                                                                                                                                                         
[5.135s][info][gc,free        ] Free: 217M, Max: 512K regular, 67072K humongous, Frag: 70% external, 0% internal; Used: 0B, Mutator Free: 435 Collector Reserve: 34304K, Max: 512K; Used: 0B Old Collector Reserve: 799K, Max: 511K; Used: 1248K     
[5.135s][info][gc,start       ] GC(61) Concurrent Final Roots (Young)                                                                                                                                                                                
[5.135s][info][gc,task        ] GC(61) Using 2 of 4 workers for Concurrent Final Roots (Young)                                                                                                                                                       
[5.135s][info][gc             ] GC(61) Concurrent Final Roots (Young) 0.183ms                                                                                                                                                                        
[5.135s][info][gc,ergo        ] GC(61) After Concurrent GC, successfully transferred 0 regions to none to prepare for next gc, old available: 799K, young_available: 193M                                                                            
[5.135s][info][gc,start       ] GC(61) Concurrent reset after collect (Young)                                                                                                                                                                        
[5.135s][info][gc,task        ] GC(61) Using 2 of 4 workers for reset after collection.
Allocated: 701 Mb
[5.138s][info][gc             ] GC(61) Concurrent reset after collect (Young) 2.807ms
[5.138s][info][gc,ergo        ] GC(61) At end of Concurrent Young GC: GCU: 6.4%, MU: 6.4% during period of 0.049s
[5.138s][info][gc,ergo        ] GC(61) At end of Concurrent Young GC: Young generation used: 430M, used regions: 434M, humongous waste: 3173K, soft capacity: 1024M, max capacity: 661M, available: 193M
[5.138s][info][gc,ergo        ] GC(61) At end of Concurrent Young GC: Old generation used: 359M, used regions: 363M, humongous waste: 2579K, soft capacity: 0B, max capacity: 363M, available: 799K
[5.138s][info][gc,free        ] Free: 193M, Max: 512K regular, 67072K humongous, Frag: 67% external, 0% internal; Used: 0B, Mutator Free: 387 Collector Reserve: 34304K, Max: 512K; Used: 0B Old Collector Reserve: 799K, Max: 511K; Used: 1248K
[5.138s][info][gc,stats       ] 
[5.138s][info][gc,stats       ] All times are wall-clock times, except per-root-class counters, that are sum over
[5.138s][info][gc,stats       ] all workers. Dividing the <total> over the root stage time estimates parallelism.
[5.138s][info][gc,stats       ] 
[5.138s][info][gc,stats       ] Concurrent Reset                   2952 us
[5.138s][info][gc,stats       ] Concurrent Reset After Collect     2841 us
[5.138s][info][gc,stats       ] Pause Init Mark (G)                2739 us
[5.138s][info][gc,stats       ] Pause Init Mark (N)                2375 us
[5.138s][info][gc,stats       ]   Swap Remembered Set                36 us
[5.138s][info][gc,stats       ]   Update Region States               42 us
[5.138s][info][gc,stats       ]   Propagate GC State                  2 us
[5.138s][info][gc,stats       ] Concurrent Scan Remembered Set     2155 us, parallelism: 1.80x
[5.138s][info][gc,stats       ]   RS: <total>                      3869 us
[5.138s][info][gc,stats       ]   RS: Scan Clusters                3869 us, workers (us): 1947, 1922, ---, ---, 
[5.138s][info][gc,stats       ] Concurrent Mark Roots               671 us, parallelism: 1.13x
[5.138s][info][gc,stats       ]   CMR: <total>                      759 us
[5.138s][info][gc,stats       ]   CMR: Thread Roots                 150 us, workers (us):   0, 150, ---, ---, 
[5.138s][info][gc,stats       ]   CMR: Code Cache Roots             125 us, workers (us):   0, 125, ---, ---, 
[5.138s][info][gc,stats       ]   CMR: VM Strong Roots               28 us, workers (us):  17,  11, ---, ---, 
[5.138s][info][gc,stats       ]   CMR: CLDG Roots                   455 us, workers (us): 455, ---, ---, ---, 
[5.138s][info][gc,stats       ] Concurrent Marking                  519 us, parallelism: 0.45x
[5.138s][info][gc,stats       ]   CM: <total>                       232 us
[5.138s][info][gc,stats       ]   CM: Parallel Mark                 232 us, workers (us): 123, 109, ---, ---, 
[5.138s][info][gc,stats       ]   Flush SATB                         82 us
[5.138s][info][gc,stats       ] Pause Final Mark (G)               1423 us
[5.138s][info][gc,stats       ] Pause Final Mark (N)               1389 us
[5.138s][info][gc,stats       ]   Finish Mark                       312 us, parallelism: 0.01x
[5.138s][info][gc,stats       ]   Propagate GC State                  2 us
[5.138s][info][gc,stats       ]   Update Region States               85 us
[5.138s][info][gc,stats       ]   Choose Collection Set             805 us
[5.138s][info][gc,stats       ]   Rebuild Free Set                   69 us
[5.138s][info][gc,stats       ] Concurrent Weak References          200 us, parallelism: 0.02x
[5.138s][info][gc,stats       ]   CWRF: <total>                       4 us
[5.138s][info][gc,stats       ]   CWRF: Weak References               4 us, workers (us):   4,   0, ---, ---, 
[5.138s][info][gc,stats       ] Concurrent Weak Roots               678 us
[5.138s][info][gc,stats       ]   Roots                             606 us, parallelism: 1.15x
[5.138s][info][gc,stats       ]     CWR: <total>                    700 us
[5.138s][info][gc,stats       ]     CWR: VM Weak Roots              700 us, workers (us): 462, 238, ---, ---, 
[5.138s][info][gc,stats       ]   Rendezvous                         34 us
[5.138s][info][gc,stats       ] Concurrent Cleanup                10513 us
[5.138s][info][gc,stats       ] Concurrent Final Roots              209 us
[5.138s][info][gc,stats       ] Pacing                            26049 us
[5.138s][info][gc,stats       ] Workers: Evacuated 0B across 0 objects, abandoned 0B across 0 objects.
[5.138s][info][gc,stats       ] 
[5.138s][info][gc,stats       ] Mutators: Evacuated 0B across 0 objects, abandoned 0B across 0 objects.
[5.138s][info][gc,stats       ] 
[5.138s][info][gc,stats       ] Young regions: Age table:
[5.138s][info][gc,stats       ] - age   1:  418799168 bytes,  418799168 total
[5.138s][info][gc,stats       ] 
[5.138s][info][gc,stats       ] 
[5.138s][info][gc,stats       ] Allocation pacing accrued:
[5.138s][info][gc,stats       ]      26 of    49 ms ( 53.4%): MainThread
[5.138s][info][gc,stats       ]      26 of    49 ms ( 53.4%): <total>
[5.138s][info][gc,stats       ]       2 of    49 ms (  4.4%): <average total>
[5.138s][info][gc,stats       ]      26 of    49 ms ( 53.4%): <average non-zero>
[5.138s][info][gc,stats       ] 
[5.138s][info][gc,metaspace   ] Metaspace: 644K(832K)->644K(832K) NonClass: 605K(704K)->605K(704K) Class: 39K(128K)->39K(128K)
[5.139s][info][gc,ergo        ] Pacer for Idle. Initial: 20971K, Alloc Tax Rate: 1.0x
Allocated: 721 Mb
Allocated: 688 Mb
[5.152s][info][gc,thread      ] Cancelling GC: unknown GCCause                                                                                                                                                                                       
[5.152s][info][gc             ] Failed to allocate Shared, 44272K
[5.152s][info][gc             ] Trigger (Young): Handle Allocation Failure
[5.152s][info][gc,free        ] Free: 124M, Max: 512K regular, 42496K humongous, Frag: 67% external, 0% internal; Used: 0B, Mutator Free: 249 Collector Reserve: 34304K, Max: 512K; Used: 0B Old Collector Reserve: 799K, Max: 511K; Used: 1248K
[5.152s][info][gc,start       ] GC(62) Pause Full
[5.152s][info][gc,task        ] GC(62) Using 4 of 4 workers for full gc
[5.152s][info][gc,phases,start] GC(62) Phase 1: Mark live objects
[5.157s][info][gc,ref         ] GC(62) Clearing All SoftReferences
[5.157s][info][gc,ref         ] GC(62) Clearing All SoftReferences
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (/home/xlpeng/repos/jdk/src/hotspot/share/oops/compressedOops.inline.hpp:58), pid=566573, tid=566577
#  assert(Universe::is_in_heap(result)) failed: object not in heap 0x00000000f8780000
#
# JRE version: OpenJDK Runtime Environment (25.0) (fastdebug build 25-internal-adhoc.xlpeng.jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 25-internal-adhoc.xlpeng.jdk, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, shenandoah gc, linux-ppc64le)
# Problematic frame:
# V  [libjvm.so+0x4fcbb4]  CompressedOops::decode_not_null(narrowOop)+0x214
#
# 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:
# /home/xlpeng/hs_err_no_verify_pid566573.log
#
# If you would like to submit a bug report, please visit:
#   https://bugreport.java.com/bugreport/crash.jsp
#
STDERR:
rerun:
cd /home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_gc_TestAllocHumongousFragment_java/scratch/0 && \
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1003/bus \
DOCS_JDK_IMAGE_DIR=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/images/docs \
HOME=/home/xlpeng \
JTREG_REPEAT_COUNT=2000 \
LANG=en_US.UTF-8 \
LC_ALL=C.UTF-8 \
PATH=/bin:/usr/bin:/usr/sbin \
TEST_IMAGE_DIR=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/images/test \
XDG_DATA_DIRS=/usr/local/share:/usr/share:/var/lib/snapd/desktop \
XDG_RUNTIME_DIR=/run/user/1003 \
XDG_SESSION_CLASS=user \
XDG_SESSION_ID=9 \
XDG_SESSION_TYPE=tty \
_JVM_DWARF_PATH=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/images/symbols \
CLASSPATH=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_gc_TestAllocHumongousFragment_java/classes/0/gc/TestAllocHumongousFragment_generational.d:/home/xlpeng/repos/jdk/test/hotspot/jtreg/gc:/h
ome/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_gc_TestAllocHumongousFragment_java/classes/0/test/lib:/home/xlpeng/repos/jdk/test/lib:/home/xlpeng/tools/jtreg/lib/javatest.jar:/home/xlpeng/tools/jt
reg/lib/jtreg.jar \                                          
    /home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/images/jdk/bin/java \
        -Dtest.vm.opts='-XX:MaxRAMPercentage=6.25 -Dtest.boot.jdk=/home/xlpeng/tools/jdk-24 -Djava.io.tmpdir=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_gc_TestAllocHumongousFragment_java/tmp
' \                                                          
        -Dtest.tool.vm.opts='-J-XX:MaxRAMPercentage=6.25 -J-Dtest.boot.jdk=/home/xlpeng/tools/jdk-24 -J-Djava.io.tmpdir=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_gc_TestAllocHumongousFragme
nt_java/tmp' \                                               
        -Dtest.compiler.opts= \
        -Dtest.java.opts= \
        -Dtest.jdk=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/images/jdk \
        -Dcompile.jdk=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/images/jdk \
        -Dtest.timeout.factor=4.0 \
        -Dtest.nativepath=/home/xlpeng/repos/jdk/build/linux-ppc64le-server-fastdebug/images/test/hotspot/jtreg/native \
        -Dtest.root=/home/xlpeng/repos/jdk/test/hotspot/jtreg \
        -Dtest.name=gc/TestAllocHumongousFragment.java#generational \
        -Dtest.verbose=Verbose[p=SUMMARY,f=FULL,e=FULL,t=false,m=false] \
...