mmtk-core
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20 hours ago •
mmtk
mmtk
DaCapo jython failed on certain heap size when running with GenCopy
mmtk-core: 4813a2b
mmtk-openjdk: ddf0ba5
After running
MMTK_PLAN=GenCopy /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/bin/java -XX:MetaspaceSize=500M -XX:+DisableExplicitGC -server -XX:-TieredCompilation -Xcomp -XX:+UseThirdPartyHeap -Djava.library.path=/home/xinyuz/probes -Dprobes=RustMMTk -Xms162M -Xmx162M -cp /usr/share/benchmarks/dacapo/dacapo-evaluation-git-29a657f.jar:/home/xinyuz/probes:/home/xinyuz/probes/probes.jar Harness -c probe.DacapoChopinCallback -n 5 -s default jython
I got
===== DaCapo evaluation-git-29a657f jython starting warmup 1 =====
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f36311be096, pid=5120, tid=5129
#
# JRE version: OpenJDK Runtime Environment (11.0.11) (build 11.0.11-internal+0-adhoc.xinyuz.openjdk)
# Java VM: OpenJDK 64-Bit Server VM (11.0.11-internal+0-adhoc.xinyuz.openjdk, compiled mode, third-party gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0xbec096] mmtk_get_object_size(void*)+0x16
But it works fine with a smaller 135M heap. It also works if doing no warmup on 162M heap.
Can you provide us with the log file? Also this seems more like an issue for mmtk-openjdk since it segfaults in mmtk_get_object_size() which is part of the binding.
Yes, possibly a binding issue. log file:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f2546308096, pid=27126, tid=27136
#
# JRE version: OpenJDK Runtime Environment (11.0.11) (build 11.0.11-internal+0-adhoc.xinyuz.openjdk)
# Java VM: OpenJDK 64-Bit Server VM (11.0.11-internal+0-adhoc.xinyuz.openjdk, compiled mode, third-party gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0xbec096] mmtk_get_object_size(void*)+0x16
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %d %P %E" (or dumping to /home/xinyuz/core.27126)
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
--------------- S U M M A R Y ------------
Command Line: -XX:MetaspaceSize=500M -XX:+DisableExplicitGC -XX:-TieredCompilation -Xcomp -XX:+UseThirdPartyHeap -Djava.library.path=/home/xinyuz/probes -Dprobes=RustMMTk -Xms162M -Xmx162M Harness -c probe.DacapoChopinCallback -n 5 -s default jython
Host: AMD Ryzen 9 3900X 12-Core Processor, 24 cores, 31G, Ubuntu 18.04.6 LTS
Time: Fri Feb 11 01:14:51 2022 AEDT elapsed time: 20.100480 seconds (0d 0h 0m 20s)
--------------- T H R E A D ---------------
Current thread (0x00007f25402db000): Thread "MMTk Collector Thread" [stack: 0x00007f2507619000,0x00007f2507719000] [id=27136]
Stack: [0x00007f2507619000,0x00007f2507719000], sp=0x00007f2507717bc0, free space=1018k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0xbec096] mmtk_get_object_size(void*)+0x16
siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x0000000000000008
Register to memory mapping:
RAX=0x0 is NULL
RBX=0x00007f2540241a20 points into unknown readable memory: 0x00007f25454cacb0 | b0 ac 4c 45 25 7f 00 00
RCX=0x00007f24e8000f40 points into unknown readable memory: 0x00007f2540241a20 | 20 1a 24 40 25 7f 00 00
RDX=0x0 is NULL
RSP=0x00007f2507717bc0 points into unknown readable memory: 0x0000040002d4c948 | 48 c9 d4 02 00 04 00 00
RBP=0x00007f2507717bc0 points into unknown readable memory: 0x0000040002d4c948 | 48 c9 d4 02 00 04 00 00
RSI=0x00007f24e8000f40 points into unknown readable memory: 0x00007f2540241a20 | 20 1a 24 40 25 7f 00 00
RDI=
[error occurred during error reporting (printing register info), id 0xe0000000, Internal Error (./../../openjdk/mmtkHeap.cpp:272)]
Registers:
RAX=0x0000000000000000, RBX=0x00007f2540241a20, RCX=0x00007f24e8000f40, RDX=0x0000000000000000
RSP=0x00007f2507717bc0, RBP=0x00007f2507717bc0, RSI=0x00007f24e8000f40, RDI=0x0000060001a1a368
R8 =0x0000000000000003, R9 =0x0000000000000000, R10=0x00000010000b700a, R11=0x0000000000000001
R12=0x00007f24e8000f40, R13=0x00007f24d0019180, R14=0x0000060001a1a368, R15=0x00007f24d0019180
RIP=0x00007f2546308096, EFLAGS=0x0000000000010246, CSGSFS=0x002b000000000033, ERR=0x0000000000000004
TRAPNO=0x000000000000000e
Top of Stack: (sp=0x00007f2507717bc0)
0x00007f2507717bc0: 0000040002d4c948 00007f254543b539
0x00007f2507717bd0: 00007f2540241a20 0000000000000c1f
0x00007f2507717be0: 00007f24d0019180 0000060001a1a368
0x00007f2507717bf0: 00007f24d0019180 00007f25453ef4eb
Instructions: (pc=0x00007f2546308096)
0x00007f2546307f96: 41 5c 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 54
0x00007f2546307fa6: 53 48 8d 9d d0 7f ff ff 4c 8d 25 03 9c 7a 00 48
0x00007f2546307fb6: 81 ec 20 80 00 00 48 8d 05 9d a8 8b 00 48 89 bd
0x00007f2546307fc6: d8 7f ff ff 48 89 de 4c 89 a5 d0 7f ff ff 48 c7
0x00007f2546307fd6: 45 e0 00 00 00 00 48 8b 38 e8 2c ae ff ff 48 83
0x00007f2546307fe6: 7d e0 00 4c 89 a5 d0 7f ff ff 74 0c 48 8d bb 10
0x00007f2546307ff6: 80 00 00 e8 22 ff ff ff 48 81 c4 20 80 00 00 5b
0x00007f2546308006: 41 5c 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 54
0x00007f2546308016: 53 48 8d 9d d0 7f ff ff 4c 8d 25 93 9b 7a 00 48
0x00007f2546308026: 81 ec 20 80 00 00 48 8d 05 2d a8 8b 00 48 89 bd
0x00007f2546308036: d8 7f ff ff 48 89 de 4c 89 a5 d0 7f ff ff 48 c7
0x00007f2546308046: 45 e0 00 00 00 00 48 8b 38 e8 fc 98 ff ff 48 83
0x00007f2546308056: 7d e0 00 4c 89 a5 d0 7f ff ff 74 0c 48 8d bb 10
0x00007f2546308066: 80 00 00 e8 b2 fe ff ff 48 81 c4 20 80 00 00 5b
0x00007f2546308076: 41 5c 5d c3 66 0f 1f 44 00 00 48 8d 05 45 5e 8a
0x00007f2546308086: 00 55 48 89 e5 0f b6 10 84 d2 75 3e 48 8b 47 08
0x00007f2546308096: 8b 48 08 83 f9 00 7e 12 f6 c1 01 75 0f 89 c8 c1
0x00007f25463080a6: f8 03 c1 e0 03 48 98 5d c3 90 75 36 48 8b 10 48
0x00007f25463080b6: 89 fe 48 89 c7 ff 92 10 01 00 00 c1 e0 03 48 98
0x00007f25463080c6: 5d c3 0f 1f 84 00 00 00 00 00 48 8d 35 99 91 87
0x00007f25463080d6: 00 8b 47 08 8b 4e 08 48 d3 e0 48 03 06 eb b1 0f
0x00007f25463080e6: 1f 00 80 fa 01 48 8d 15 fa e2 85 00 48 19 c0 83
0x00007f25463080f6: e0 04 48 63 44 07 0c 8b 12 5d 48 d3 e0 c1 f9 10
0x00007f2546308106: 48 89 c6 8d 42 ff 0f b6 c9 f7 da 48 98 48 01 c8
0x00007f2546308116: 48 63 ca 48 01 f0 48 21 c8 48 c1 e8 03 c1 e0 03
0x00007f2546308126: 48 98 c3 0f 1f 80 00 00 00 00 55 31 f6 48 89 f8
0x00007f2546308136: 31 d2 48 89 e5 53 48 8d 1d 95 9a 7a 00 48 83 ec
0x00007f2546308146: 38 48 89 7d c8 48 89 5d c0 31 ff 48 c7 45 e0 00
0x00007f2546308156: 00 00 00 ff d0 48 89 45 d0 48 8d 05 fa a6 8b 00
0x00007f2546308166: 48 8d 75 c0 48 89 55 d8 48 8b 38 e8 8a ae ff ff
0x00007f2546308176: 48 8b 75 e0 48 89 5d c0 48 8b 7d d0 48 85 f6 74
0x00007f2546308186: 1e 48 8b 7d d0 48 8b 55 d8 ff 55 c8 48 c7 45 e0
Stack slot to memory mapping:
stack at sp + 0 slots:
[error occurred during error reporting (inspecting top of stack), id 0xe0000000, Internal Error (./../../openjdk/mmtkHeap.cpp:272)]
--------------- P R O C E S S ---------------
Threads class SMR info:
_java_thread_list=0x00007f2540734e00, length=10, elements={
0x00007f2540028000, 0x00007f25402b8000, 0x00007f25402bc800, 0x00007f25402d1000,
0x00007f2540308800, 0x00007f254030a800, 0x00007f254030d000, 0x00007f254030f000,
0x00007f2540365800, 0x00007f2540739000
}
Java Threads: ( => current thread )
0x00007f2540028000 JavaThread "main" [_thread_blocked, id=27127, stack(0x00007f2547940000,0x00007f2547a41000)]
0x00007f25402b8000 JavaThread "Reference Handler" daemon [_thread_blocked, id=27130, stack(0x00007f2507eff000,0x00007f2508000000)]
0x00007f25402bc800 JavaThread "Finalizer" daemon [_thread_blocked, id=27131, stack(0x00007f2507dfe000,0x00007f2507eff000)]
0x00007f25402d1000 JavaThread "MMTk Finalizer Thread" daemon [_thread_blocked, id=27132, stack(0x00007f2507a1f000,0x00007f2507b20000)]
0x00007f2540308800 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=27158, stack(0x00007f2505fec000,0x00007f25060ed000)]
0x00007f254030a800 JavaThread "Service Thread" daemon [_thread_blocked, id=27159, stack(0x00007f2505eeb000,0x00007f2505fec000)]
0x00007f254030d000 JavaThread "C2 CompilerThread0" daemon [_thread_blocked, id=27160, stack(0x00007f2505dea000,0x00007f2505eeb000)]
0x00007f254030f000 JavaThread "Sweeper thread" daemon [_thread_blocked, id=27161, stack(0x00007f2505ce9000,0x00007f2505dea000)]
0x00007f2540365800 JavaThread "Common-Cleaner" daemon [_thread_blocked, id=27162, stack(0x00007f25057be000,0x00007f25058bf000)]
0x00007f2540739000 JavaThread "process reaper" daemon [_thread_blocked, id=27199, stack(0x00007f250c025000,0x00007f250c047000)]
Other Threads:
0x00007f25402af800 VMThread "VM Thread" [stack: 0x00007f250c049000,0x00007f250c149000] [id=27129]
0x00007f2540405000 WatcherThread [stack: 0x00007f25056be000,0x00007f25057be000] [id=27175]
=>0x00007f25402db000 (exited) Thread "MMTk Collector Thread" [stack: 0x00007f2507619000,0x00007f2507719000] [id=27136]
Threads with active compile tasks:
VM state:at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
[0x00007f2540024250] Threads_lock - owner thread: 0x00007f25402af800
Heap:
[error occurred during error reporting (printing heap information), id 0xe0000000, Internal Error (./../../openjdk/mmtkHeap.cpp:312)]
Metaspace:
Usage:
36.08 MB capacity, 35.03 MB ( 97%) used, 993.47 KB ( 3%) free+waste, 85.19 KB ( <1%) overhead.
Virtual space:
38.00 MB reserved, 36.25 MB ( 95%) committed
Chunk freelists:
106.00 KB
MaxMetaspaceSize: unlimited
CodeCache: size=49152Kb used=17347Kb max_used=17359Kb free=31804Kb
bounds [0x00007f252c9cb000, 0x00007f252dafb000, 0x00007f252f9cb000]
total_blobs=11071 nmethods=10679 adapters=340
compilation: enabled
stopped_count=0, restarted_count=0
full_count=0
Compilation events (20 events):
Event: 20.066 Thread 0x00007f254030d000 13043 b org.python.antlr.ast.keyword$PyExposer::<init> (114 bytes)
Event: 20.067 Thread 0x00007f254030d000 nmethod 13043 0x00007f252d416010 code [0x00007f252d4161a0, 0x00007f252d4161f8]
Event: 20.067 Thread 0x00007f254030d000 13044 b org.python.antlr.ast.keyword$keyword___init___exposer::<init> (12 bytes)
Event: 20.067 Thread 0x00007f254030d000 nmethod 13044 0x00007f252d418190 code [0x00007f252d418340, 0x00007f252d418408]
Event: 20.067 Thread 0x00007f254030d000 13045 b org.python.antlr.ast.keyword$repr_descriptor::<init> (10 bytes)
Event: 20.067 Thread 0x00007f254030d000 nmethod 13045 0x00007f252d41a790 code [0x00007f252d41a940, 0x00007f252d41a9c8]
Event: 20.067 Thread 0x00007f254030d000 13046 b org.python.antlr.ast.keyword$arg_descriptor::<init> (10 bytes)
Event: 20.068 Thread 0x00007f254030d000 nmethod 13046 0x00007f252d41a490 code [0x00007f252d41a640, 0x00007f252d41a6c8]
Event: 20.068 Thread 0x00007f254030d000 13047 b org.python.antlr.ast.keyword$__dict___descriptor::<init> (10 bytes)
Event: 20.068 Thread 0x00007f254030d000 nmethod 13047 0x00007f252d41a010 code [0x00007f252d41a1c0, 0x00007f252d41a248]
Event: 20.068 Thread 0x00007f254030d000 13048 b org.python.antlr.ast.keyword$value_descriptor::<init> (10 bytes)
Event: 20.068 Thread 0x00007f254030d000 nmethod 13048 0x00007f252d41b610 code [0x00007f252d41b7c0, 0x00007f252d41b848]
Event: 20.068 Thread 0x00007f254030d000 13049 b org.python.antlr.ast.keyword$_fields_descriptor::<init> (10 bytes)
Event: 20.068 Thread 0x00007f254030d000 nmethod 13049 0x00007f252d420610 code [0x00007f252d4207c0, 0x00007f252d420848]
Event: 20.068 Thread 0x00007f254030d000 13050 b org.python.antlr.ast.keyword$_attributes_descriptor::<init> (10 bytes)
Event: 20.069 Thread 0x00007f254030d000 nmethod 13050 0x00007f252d423610 code [0x00007f252d4237c0, 0x00007f252d423848]
Event: 20.069 Thread 0x00007f254030d000 13051 b org.python.antlr.ast.keyword$exposed___new__::<init> (5 bytes)
Event: 20.069 Thread 0x00007f254030d000 nmethod 13051 0x00007f252d425510 code [0x00007f252d4256a0, 0x00007f252d425728]
Event: 20.069 Thread 0x00007f254030d000 13052 b org.python.antlr.ast.keyword::<init> (21 bytes)
Event: 20.070 Thread 0x00007f254030d000 nmethod 13052 0x00007f252d425110 code [0x00007f252d4252c0, 0x00007f252d4253f8]
GC Heap History (0 events):
No events
Deoptimization events (20 events):
Event: 20.053 Thread 0x00007f2540028000 Uncommon trap: trap_request=0x000000b8 fr.pc=0x00007f252d3acfb8 relative=0x0000000000000018
Event: 20.053 Thread 0x00007f2540028000 Uncommon trap: reason=unloaded action=reinterpret pc=0x00007f252d3acfb8 method=org.python.antlr.ast.Continue.<clinit>()V @ 2 c2
Event: 20.053 Thread 0x00007f2540028000 DEOPT PACKING pc=0x00007f252d3acfb8 sp=0x00007f2547a3da20
Event: 20.053 Thread 0x00007f2540028000 DEOPT UNPACKING pc=0x00007f252c9f00a5 sp=0x00007f2547a3d9d0 mode 2
Event: 20.053 Thread 0x00007f2540028000 Uncommon trap: trap_request=0x00000012 fr.pc=0x00007f252d3e4d4c relative=0x000000000000002c
Event: 20.053 Thread 0x00007f2540028000 Uncommon trap: reason=unloaded action=reinterpret pc=0x00007f252d3e4d4c method=org.python.antlr.ast.Continue$PyExposer.<init>()V @ 19 c2
Event: 20.053 Thread 0x00007f2540028000 DEOPT PACKING pc=0x00007f252d3e4d4c sp=0x00007f2547a3d9a0
Event: 20.053 Thread 0x00007f2540028000 DEOPT UNPACKING pc=0x00007f252c9f00a5 sp=0x00007f2547a3d908 mode 2
Event: 20.066 Thread 0x00007f2540028000 Uncommon trap: trap_request=0x00000053 fr.pc=0x00007f252d2941e0 relative=0x0000000000000300
Event: 20.066 Thread 0x00007f2540028000 Uncommon trap: reason=unloaded action=reinterpret pc=0x00007f252d2941e0 method=org.python.antlr.GrammarActions.makeKeywords(Ljava/util/List;)Ljava/util/List; @ 89 c2
Event: 20.066 Thread 0x00007f2540028000 DEOPT PACKING pc=0x00007f252d2941e0 sp=0x00007f2547a3d910
Event: 20.066 Thread 0x00007f2540028000 DEOPT UNPACKING pc=0x00007f252c9f00a5 sp=0x00007f2547a3d8a8 mode 2
Event: 20.066 Thread 0x00007f2540028000 Uncommon trap: trap_request=0x000000e5 fr.pc=0x00007f252d3afeb8 relative=0x0000000000000018
Event: 20.066 Thread 0x00007f2540028000 Uncommon trap: reason=unloaded action=reinterpret pc=0x00007f252d3afeb8 method=org.python.antlr.ast.keyword.<clinit>()V @ 2 c2
Event: 20.066 Thread 0x00007f2540028000 DEOPT PACKING pc=0x00007f252d3afeb8 sp=0x00007f2547a3d3f0
Event: 20.066 Thread 0x00007f2540028000 DEOPT UNPACKING pc=0x00007f252c9f00a5 sp=0x00007f2547a3d3a0 mode 2
Event: 20.067 Thread 0x00007f2540028000 Uncommon trap: trap_request=0x00000012 fr.pc=0x00007f252d4161cc relative=0x000000000000002c
Event: 20.067 Thread 0x00007f2540028000 Uncommon trap: reason=unloaded action=reinterpret pc=0x00007f252d4161cc method=org.python.antlr.ast.keyword$PyExposer.<init>()V @ 19 c2
Event: 20.067 Thread 0x00007f2540028000 DEOPT PACKING pc=0x00007f252d4161cc sp=0x00007f2547a3d370
Event: 20.067 Thread 0x00007f2540028000 DEOPT UNPACKING pc=0x00007f252c9f00a5 sp=0x00007f2547a3d2d8 mode 2
Classes redefined (0 events):
No events
Internal exceptions (20 events):
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e82918}> (0x0000060000e82918) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e839a0}> (0x0000060000e839a0) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e84a50}> (0x0000060000e84a50) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e85b00}> (0x0000060000e85b00) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e86bb0}> (0x0000060000e86bb0) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e87c38}> (0x0000060000e87c38) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e88cf0}> (0x0000060000e88cf0) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e89da0}> (0x0000060000e89da0) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e8ae48}> (0x0000060000e8ae48) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e8bf08}> (0x0000060000e8bf08) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e8cf90}> (0x0000060000e8cf90) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e8e040}> (0x0000060000e8e040) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e8f0f0}> (0x0000060000e8f0f0) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e901d8}> (0x0000060000e901d8) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e91260}> (0x0000060000e91260) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 17.614 Thread 0x00007f2540028000 Exception <a 'sun/nio/fs/UnixException'{0x0000060000e92310}> (0x0000060000e92310) thrown at [./src/hotspot/share/prims/jni.cpp, line 615]
Event: 18.640 Thread 0x00007f2540028000 Implicit null exception at 0x00007f252da2973f to 0x00007f252da297a3
Event: 18.850 Thread 0x00007f2540028000 Implicit null exception at 0x00007f252d927c5c to 0x00007f252d927d0c
Event: 19.568 Thread 0x00007f2540028000 Implicit null exception at 0x00007f252dab007b to 0x00007f252dab0dc0
Event: 19.826 Thread 0x00007f2540028000 Implicit null exception at 0x00007f252d9ebeef to 0x00007f252d9ec68c
Events (20 events):
Event: 18.360 Thread 0x00007f254030f000 flushing nmethod 0x00007f252d455990
Event: 18.360 Thread 0x00007f254030f000 flushing nmethod 0x00007f252d45aa10
Event: 18.360 Thread 0x00007f254030f000 flushing nmethod 0x00007f252d45fa90
Event: 18.658 Executing VM operation: Deoptimize
Event: 18.659 Executing VM operation: Deoptimize done
Event: 19.065 Executing VM operation: Deoptimize
Event: 19.065 Executing VM operation: Deoptimize done
Event: 19.071 Executing VM operation: Deoptimize
Event: 19.072 Executing VM operation: Deoptimize done
Event: 19.164 Executing VM operation: Deoptimize
Event: 19.165 Executing VM operation: Deoptimize done
Event: 19.425 Executing VM operation: Deoptimize
Event: 19.426 Executing VM operation: Deoptimize done
Event: 19.572 Executing VM operation: Deoptimize
Event: 19.572 Executing VM operation: Deoptimize done
Event: 19.832 Executing VM operation: Deoptimize
Event: 19.832 Executing VM operation: Deoptimize done
Event: 19.977 Executing VM operation: Deoptimize
Event: 19.978 Executing VM operation: Deoptimize done
Event: 20.070 Executing VM operation: ThirdPartyHeapOperation
Dynamic libraries:
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55c42a48b000-55c42a4ac000 rw-p 00000000 00:00 0 [heap]
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7f2544975000-7f2544976000 rw-p 00000000 00:00 0
7f2544976000-7f2544983000 r-xp 00000000 103:02 89414134 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/libverify.so
7f2544983000-7f2544b82000 ---p 0000d000 103:02 89414134 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/libverify.so
7f2544b82000-7f2544b84000 r--p 0000c000 103:02 89414134 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/libverify.so
7f2544b84000-7f2544b85000 rw-p 0000e000 103:02 89414134 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/libverify.so
7f2544b85000-7f2544b8c000 r-xp 00000000 103:02 54531036 /lib/x86_64-linux-gnu/librt-2.27.so
7f2544b8c000-7f2544d8b000 ---p 00007000 103:02 54531036 /lib/x86_64-linux-gnu/librt-2.27.so
7f2544d8b000-7f2544d8c000 r--p 00006000 103:02 54531036 /lib/x86_64-linux-gnu/librt-2.27.so
7f2544d8c000-7f2544d8d000 rw-p 00007000 103:02 54531036 /lib/x86_64-linux-gnu/librt-2.27.so
7f2544d8d000-7f2544da4000 r-xp 00000000 103:02 54530985 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f2544da4000-7f2544fa3000 ---p 00017000 103:02 54530985 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f2544fa3000-7f2544fa4000 r--p 00016000 103:02 54530985 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f2544fa4000-7f2544fa5000 rw-p 00017000 103:02 54530985 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f2544fa5000-7f2545142000 r-xp 00000000 103:02 54530997 /lib/x86_64-linux-gnu/libm-2.27.so
7f2545142000-7f2545341000 ---p 0019d000 103:02 54530997 /lib/x86_64-linux-gnu/libm-2.27.so
7f2545341000-7f2545342000 r--p 0019c000 103:02 54530997 /lib/x86_64-linux-gnu/libm-2.27.so
7f2545342000-7f2545343000 rw-p 0019d000 103:02 54530997 /lib/x86_64-linux-gnu/libm-2.27.so
7f2545343000-7f2545509000 r-xp 00000000 103:02 89405290 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libmmtk_openjdk.so
7f2545509000-7f2545709000 ---p 001c6000 103:02 89405290 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libmmtk_openjdk.so
7f2545709000-7f254571a000 r--p 001c6000 103:02 89405290 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libmmtk_openjdk.so
7f254571a000-7f254571b000 rw-p 001d7000 103:02 89405290 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libmmtk_openjdk.so
7f254571b000-7f254571c000 rw-p 00000000 00:00 0
7f254571c000-7f25468a1000 r-xp 00000000 103:02 89414119 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libjvm.so
7f25468a1000-7f2546aa1000 ---p 01185000 103:02 89414119 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libjvm.so
7f2546aa1000-7f2546b61000 r--p 01185000 103:02 89414119 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libjvm.so
7f2546b61000-7f2546b9b000 rw-p 01245000 103:02 89414119 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/server/libjvm.so
7f2546b9b000-7f2546bf1000 rw-p 00000000 00:00 0
7f2546bf1000-7f2546c0b000 r-xp 00000000 103:02 54531032 /lib/x86_64-linux-gnu/libpthread-2.27.so
7f2546c0b000-7f2546e0a000 ---p 0001a000 103:02 54531032 /lib/x86_64-linux-gnu/libpthread-2.27.so
7f2546e0a000-7f2546e0b000 r--p 00019000 103:02 54531032 /lib/x86_64-linux-gnu/libpthread-2.27.so
7f2546e0b000-7f2546e0c000 rw-p 0001a000 103:02 54531032 /lib/x86_64-linux-gnu/libpthread-2.27.so
7f2546e0c000-7f2546e10000 rw-p 00000000 00:00 0
7f2546e10000-7f2546e13000 r-xp 00000000 103:02 54530978 /lib/x86_64-linux-gnu/libdl-2.27.so
7f2546e13000-7f2547012000 ---p 00003000 103:02 54530978 /lib/x86_64-linux-gnu/libdl-2.27.so
7f2547012000-7f2547013000 r--p 00002000 103:02 54530978 /lib/x86_64-linux-gnu/libdl-2.27.so
7f2547013000-7f2547014000 rw-p 00003000 103:02 54530978 /lib/x86_64-linux-gnu/libdl-2.27.so
7f2547014000-7f2547030000 r-xp 00000000 103:02 54531053 /lib/x86_64-linux-gnu/libz.so.1.2.11
7f2547030000-7f254722f000 ---p 0001c000 103:02 54531053 /lib/x86_64-linux-gnu/libz.so.1.2.11
7f254722f000-7f2547230000 r--p 0001b000 103:02 54531053 /lib/x86_64-linux-gnu/libz.so.1.2.11
7f2547230000-7f2547231000 rw-p 0001c000 103:02 54531053 /lib/x86_64-linux-gnu/libz.so.1.2.11
7f2547231000-7f2547418000 r-xp 00000000 103:02 54530969 /lib/x86_64-linux-gnu/libc-2.27.so
7f2547418000-7f2547618000 ---p 001e7000 103:02 54530969 /lib/x86_64-linux-gnu/libc-2.27.so
7f2547618000-7f254761c000 r--p 001e7000 103:02 54530969 /lib/x86_64-linux-gnu/libc-2.27.so
7f254761c000-7f254761e000 rw-p 001eb000 103:02 54530969 /lib/x86_64-linux-gnu/libc-2.27.so
7f254761e000-7f2547622000 rw-p 00000000 00:00 0
7f2547622000-7f2547632000 r-xp 00000000 103:02 89537710 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/jli/libjli.so
7f2547632000-7f2547831000 ---p 00010000 103:02 89537710 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/jli/libjli.so
7f2547831000-7f2547832000 r--p 0000f000 103:02 89537710 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/jli/libjli.so
7f2547832000-7f2547833000 rw-p 00010000 103:02 89537710 /home/xinyuz/mmtk/mmtk-openjdk/repos/openjdk/build-11-4813a2b-ddf0ba5-6dc618e/linux-x86_64-normal-server-release/jdk/lib/jli/libjli.so
7f2547833000-7f254785c000 r-xp 00000000 103:02 54530957 /lib/x86_64-linux-gnu/ld-2.27.so
7f254785d000-7f2547903000 rw-p 00000000 00:00 0
7f2547903000-7f2547940000 ---p 00000000 00:00 0
7f2547940000-7f2547944000 ---p 00000000 00:00 0
7f2547944000-7f2547a43000 rw-p 00000000 00:00 0
7f2547a4f000-7f2547a50000 r--p 00000000 103:02 104730355 /usr/share/locale-langpack/en_AU/LC_MESSAGES/libc.mo
7f2547a50000-7f2547a58000 rw-s 00000000 103:02 17049299 /tmp/hsperfdata_xinyuz/27126
7f2547a58000-7f2547a59000 ---p 00000000 00:00 0
7f2547a59000-7f2547a5a000 r--p 00000000 00:00 0
7f2547a5a000-7f2547a5c000 rw-p 00000000 00:00 0
7f2547a5c000-7f2547a5d000 r--p 00029000 103:02 54530957 /lib/x86_64-linux-gnu/ld-2.27.so
7f2547a5d000-7f2547a5e000 rw-p 0002a000 103:02 54530957 /lib/x86_64-linux-gnu/ld-2.27.so
7f2547a5e000-7f2547a5f000 rw-p 00000000 00:00 0
7ffd44c3f000-7ffd44c60000 rw-p 00000000 00:00 0 [stack]
7ffd44d4f000-7ffd44d52000 r--p 00000000 00:00 0 [vvar]
7ffd44d52000-7ffd44d53000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall]
VM Arguments:
jvm_args: -XX:MetaspaceSize=500M -XX:+DisableExplicitGC -XX:-TieredCompilation -Xcomp -XX:+UseThirdPartyHeap -Djava.library.path=/home/xinyuz/probes -Dprobes=RustMMTk -Xms162M -Xmx162M
java_command: Harness -c probe.DacapoChopinCallback -n 5 -s default jython
java_class_path (initial): /usr/share/benchmarks/dacapo/dacapo-evaluation-git-29a657f.jar:/home/xinyuz/probes:/home/xinyuz/probes/probes.jar
Launcher Type: SUN_STANDARD
[Global flags]
bool DisableExplicitGC = true {product} {command line}
size_t InitialHeapSize = 169869312 {product} {command line}
size_t MaxHeapSize = 169869312 {product} {command line}
size_t MetaspaceSize = 524288000 {pd product} {command line}
size_t MinHeapDeltaBytes = 524288 {product} {ergonomic}
uintx NonProfiledCodeHeapSize = 0 {pd product} {ergonomic}
uintx ProfiledCodeHeapSize = 0 {pd product} {ergonomic}
bool TieredCompilation = false {pd product} {command line}
bool UseCompressedClassPointers = false {lp64_product} {ergonomic}
bool UseCompressedOops = false {lp64_product} {ergonomic}
Logging:
Log output configuration:
#0: stdout all=warning uptime,level,tags
#1: stderr all=off uptime,level,tags
Environment Variables:
PATH=/opt/apache-ant-1.9.16/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/xinyuz/.local/bin:/home/xinyuz/.dotnet/tools:/home/xinyuz/.local/bin
SHELL=/bin/bash
LANG=en_AU.UTF-8
Signal Handlers:
SIGSEGV: [libjvm.so+0xe7d840], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGBUS: [libjvm.so+0xe7d840], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGFPE: [libjvm.so+0xe7d840], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGPIPE: [libjvm.so+0xc48f80], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGXFSZ: [libjvm.so+0xc48f80], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGILL: [libjvm.so+0xe7d840], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGUSR2: [libjvm.so+0xc48e20], sa_mask[0]=00000000000000000000000000000000, sa_flags=SA_RESTART|SA_SIGINFO
SIGHUP: [libjvm.so+0xc49180], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGINT: [libjvm.so+0xc49180], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGTERM: [libjvm.so+0xc49180], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
SIGQUIT: [libjvm.so+0xc49180], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
--------------- S Y S T E M ---------------
OS:DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.6 LTS"
uname:Linux 5.4.0-96-generic #109~18.04.1-Ubuntu SMP Thu Jan 13 15:06:26 UTC 2022 x86_64
OS uptime: 14 days 7:58 hours
libc:glibc 2.27 NPTL 2.27
rlimit (soft/hard): STACK 8192k/infinity , CORE 0k/infinity , NPROC 128033/128033 , NOFILE 1048576/1048576 , AS infinity/infinity , CPU infinity/infinity , DATA infinity/infinity , FSIZE infinity/infinity , MEMLOCK 65536k/65536k
load average:0.53 0.20 0.07
/proc/meminfo:
MemTotal: 32893120 kB
MemFree: 5595100 kB
MemAvailable: 29993780 kB
Buffers: 1399480 kB
Cached: 21936764 kB
SwapCached: 116908 kB
Active: 21199980 kB
Inactive: 4140916 kB
Active(anon): 1715276 kB
Inactive(anon): 305840 kB
Active(file): 19484704 kB
Inactive(file): 3835076 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 33554428 kB
SwapFree: 30443208 kB
Dirty: 360 kB
Writeback: 0 kB
AnonPages: 1998940 kB
Mapped: 121404 kB
Shmem: 16084 kB
KReclaimable: 1542828 kB
Slab: 1669432 kB
SReclaimable: 1542828 kB
SUnreclaim: 126604 kB
KernelStack: 15584 kB
PageTables: 35380 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 50000988 kB
Committed_AS: 11030796 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 31492 kB
VmallocChunk: 0 kB
Percpu: 15104 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
FileHugePages: 0 kB
FilePmdMapped: 0 kB
CmaTotal: 0 kB
CmaFree: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
Hugetlb: 0 kB
DirectMap4k: 3180972 kB
DirectMap2M: 30322688 kB
DirectMap1G: 1048576 kB
/sys/kernel/mm/transparent_hugepage/enabled:
always [madvise] never
/sys/kernel/mm/transparent_hugepage/defrag (defrag/compaction efforts parameter):
always defer defer+madvise [madvise] never
Process Memory:
Virtual Size: 205248696K (peak: 205306040K)
Resident Set Size: 1193512K (peak: 1193512K) (anon: 1174852K, file: 18660K, shmem: 0K)
Swapped out: 0K
C-Heap outstanding allocations: 38015K
/proc/sys/kernel/threads-max (system-wide limit on the number of threads):
256066
/proc/sys/vm/max_map_count (maximum number of memory map areas a process may have):
655360
/proc/sys/kernel/pid_max (system-wide limit on number of process identifiers):
32768
container (cgroup) information:
container_type: cgroupv1
cpu_cpuset_cpus: 0-23
cpu_memory_nodes: 0
active_processor_count: 24
cpu_quota: -1
cpu_period: 100000
cpu_shares: -1
memory_limit_in_bytes: -1
memory_and_swap_limit_in_bytes: -2
memory_soft_limit_in_bytes: -1
memory_usage_in_bytes: 25942056960
memory_max_usage_in_bytes: 1019453440
Steal ticks since vm start: 0
Steal ticks percentage since vm start: 0.000
CPU:total 24 (initial active 24) (24 cores per cpu, 2 threads per core) family 23 model 113 stepping 0 microcode 0x8701013, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1, sse4.2, popcnt, avx, avx2, aes, clmul, mmxext, 3dnowpref, lzcnt, sse4a, ht, tsc, tscinvbit, tscinv, bmi1, bmi2
CPU Model and flags from /proc/cpuinfo:
model name : AMD Ryzen 9 3900X 12-Core Processor
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
Online cpus:
0-23
Offline cpus:
24-31
BIOS frequency limitation:
3800000
Frequency switch latency (ns):
0
Available cpu frequencies:
3800000 2800000 2200000
Current governor:
performance
Core performance/turbo boost:
1
Memory: 4k page, physical 32893120k(5595100k free), swap 33554428k(30443208k free)
vm_info: OpenJDK 64-Bit Server VM (11.0.11-internal+0-adhoc.xinyuz.openjdk) for linux-amd64 JRE (11.0.11-internal+0-adhoc.xinyuz.openjdk), built on Feb 2 2022 18:58:26 by "xinyuz" with gcc 7.5.0
END.
Sometimes I get this instead of the segfault:
===== DaCapo evaluation-git-29a657f jython starting warmup 1 =====
Traceback (most recent call last):
File "/home/xinyuz/./scratch/pybench/pybench.py", line 37, in <module>
import sys, time, operator, string, platform
java.lang.ClassCastException: class org.antlr.runtime.tree.RewriteRuleSubtreeStream cannot be cast to class org.python.core.PyObject (org.antlr.runtime.tree.RewriteRuleSubtreeStream and org.python.core.PyObject are in unnamed module of loader org.dacapo.harness.DacapoClassLoader @70a9f84e)
at org.python.core.PyList.pyget(PyList.java:1194)
at org.python.core.PySequence$DefaultIndexDelegate.getItem(PySequence.java:533)
at org.python.core.SequenceIndexDelegate.checkIdxAndFindItem(SequenceIndexDelegate.java:88)
at org.python.core.PySequence.seq___finditem__(PySequence.java:360)
at org.python.core.PySequence.__finditem__(PySequence.java:356)
at org.python.core.PyObject.__getitem__(PyObject.java:699)
at org.python.core.imp.find_module(imp.java:755)
at org.python.core.imp.import_next(imp.java:1158)
at org.python.core.imp.import_module_level(imp.java:1350)
at org.python.core.imp.importName(imp.java:1528)
at org.python.core.ImportFunction.__call__(__builtin__.java:1285)
at org.python.core.PyObject.__call__(PyObject.java:433)
at org.python.core.__builtin__.__import__(__builtin__.java:1232)
at org.python.core.imp.importOne(imp.java:1547)
at org.python.pycode._pyx1.f$0(/home/xinyuz/./scratch/pybench/pybench.py:959)
at org.python.pycode._pyx1.call_function(/home/xinyuz/./scratch/pybench/pybench.py)
at org.python.core.PyTableCode.call(PyTableCode.java:173)
at org.python.core.PyCode.call(PyCode.java:18)
at org.python.core.Py.runCode(Py.java:1687)
at org.python.util.PythonInterpreter.execfile(PythonInterpreter.java:297)
at org.python.util.jython.runSimpleFile(jython.java:365)
at org.python.util.jython.runStream(jython.java:397)
at org.python.util.jython.runFile(jython.java:422)
at org.python.util.jython.main(jython.java:617)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.dacapo.harness.Jython.iterate(Jython.java:63)
at org.dacapo.harness.Benchmark.run(Benchmark.java:221)
at org.dacapo.harness.TestHarness.runBenchmark(TestHarness.java:225)
at org.dacapo.harness.TestHarness.main(TestHarness.java:170)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at Harness.main(Unknown Source)
java.lang.ClassCastException: java.lang.ClassCastException: class org.antlr.runtime.tree.RewriteRuleSubtreeStream cannot be cast to class org.python.core.PyObject (org.antlr.runtime.tree.RewriteRuleSubtreeStream and org.python.core.PyObject are in unnamed module of loader org.dacapo.harness.DacapoClassLoader @70a9f84e)