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<p>Hello,</p>
<p>Just wondering if anyone can help me make sense of this error?
I'm only seeing it on AMD EPYC, not on AArch64 or Xeon and am not
able to reproduce it locally. Note this is a fork, jdk:master was
last merged last weekend.</p>
<p>Thank you,</p>
<p>Peter.<br>
</p>
<p><a
href="https://github.com/pfirmstone/jdk-with-authorization/issues/57">gtest/GTestWrapper.java
failing on linux-x64 and windows-x64 with AMD EPYC 7763. · Issue
#57 · pfirmstone/jdk-with-authorization</a></p>
<p>An example GTestWrapper.jtr output, see link above for more
details.<br>
</p>
[ RUN ] RBTreeTest.InsertRemoveVerify_vm<br>
#<br>
# Compiler replay data is saved as:<br>
#
/home/runner/work/jdk-with-authorization/jdk-with-authorization/build/run-test-prebuilt/test-support/jtreg_test_hotspot_jtreg_tier1_common/scratch/1/replay_pid2173.log<br>
#<br>
# If you would like to submit a bug report, please visit:<br>
# <a class="moz-txt-link-freetext" href="https://bugreport.java.com/bugreport/crash.jsp">https://bugreport.java.com/bugreport/crash.jsp</a><br>
#<br>
Warning: asynclog is OFF.<br>
Warning: asynclog is OFF.<br>
Warning: asynclog is OFF.<br>
Warning: asynclog is OFF.<br>
Warning: asynclog is OFF.<br>
Warning: asynclog is OFF.<br>
OpenJDK 64-Bit Server VM warning: c1: printing of assembly code is
enabled; turning on DebugNonSafepoints to gain additional output<br>
OpenJDK 64-Bit Server VM warning: c2: printing of assembly code is
enabled; turning on DebugNonSafepoints to gain additional output<br>
assert failed: assert(opr->is_register()) failed: should not call
this otherwiseOpenJDK 64-Bit Server VM warning:
outputStream::do_vsnprintf output truncated -- buffer length is 11
bytes but 12 bytes are needed.<br>
<p>OpenJDK 64-Bit Server VM warning: outputStream::do_vsnprintf
output truncated -- buffer length is 11 bytes but 12 bytes are
needed.</p>
<p><br>
</p>
<p>#<br>
# A fatal error has been detected by the Java Runtime Environment:<br>
#<br>
# Internal Error
(/home/runner/work/jdk-with-authorization/jdk-with-authorization/src/hotspot/share/c1/c1_LinearScan.cpp:117),
pid=2173, tid=2191<br>
# assert(opr->is_register()) failed: should not call this
otherwise<br>
#<br>
# JRE version: OpenJDK Runtime Environment (25.0) (fastdebug build
25-internal-pfirmstone-1ff412a4a97b541949f25ec05656a3c1ff91f91f)<br>
# Java VM: OpenJDK 64-Bit Server VM (fastdebug
25-internal-pfirmstone-1ff412a4a97b541949f25ec05656a3c1ff91f91f,
mixed mode, sharing, tiered, compressed oops, compressed class
ptrs, g1 gc, linux-amd64)<br>
# Problematic frame:<br>
# V [libjvm.so+0xd68790] LinearScan::reg_num(LIR_Opr)+0xc0<br>
#<br>
# Core dump will be written. Default location: Core dumps may be
processed with "/lib/systemd/systemd-coredump %P %u %g %s %t
9223372036854775808 %h" (or dumping to
/home/runner/work/jdk-with-authorization/jdk-with-authorization/build/run-test-prebuilt/test-support/jtreg_test_hotspot_jtreg_tier1_common/scratch/1/core.2173)<br>
#<br>
# If you would like to submit a bug report, please visit:<br>
# <a class="moz-txt-link-freetext" href="https://bugreport.java.com/bugreport/crash.jsp">https://bugreport.java.com/bugreport/crash.jsp</a><br>
#<br>
<br>
--------------- S U M M A R Y ------------<br>
<br>
Command Line: -XX:+ExecutingUnitTests <br>
<br>
Host: fv-az1116-308, AMD EPYC 7763 64-Core Processor, 4 cores,
15G, Ubuntu 22.04.5 LTS<br>
Time: Wed Apr 2 05:18:01 2025 UTC elapsed time: 38.495774 seconds
(0d 0h 0m 38s)<br>
<br>
--------------- T H R E A D ---------------<br>
<br>
Current thread (0x000055c186978be0): JavaThread "C1
CompilerThread0" daemon [_thread_in_native, id=2191,
stack(0x00007efcb84f0000,0x00007efcb85f0000) (1024K)]<br>
<br>
<br>
Current CompileTask:<br>
C1:38495 14 3 java.util.Objects::hashCode (13 bytes)<br>
<br>
Stack: [0x00007efcb84f0000,0x00007efcb85f0000],
sp=0x00007efcb85ed5e0, free space=1013k<br>
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code,
C=native code)<br>
V [libjvm.so+0xd68790] LinearScan::reg_num(LIR_Opr)+0xc0
(c1_LinearScan.cpp:117)<br>
V [libjvm.so+0xd82858]
RegisterVerifier::process_operations(LIR_List*,
GrowableArray<Interval*>*)+0x7e8 (c1_LinearScan.cpp:3500)<br>
V [libjvm.so+0xd82c2e]
RegisterVerifier::process_block(BlockBegin*)+0x9e
(c1_LinearScan.cpp:3590)<br>
V [libjvm.so+0xd82ffb]
RegisterVerifier::verify(BlockBegin*)+0x23b
(c1_LinearScan.cpp:3565)<br>
V [libjvm.so+0xd88aa9] LinearScan::verify_registers()+0x1b9
(c1_LinearScan.cpp:3534)<br>
V [libjvm.so+0xd88d1d] LinearScan::verify()+0xad
(c1_LinearScan.cpp:3281)<br>
V [libjvm.so+0xd8f0dc] LinearScan::do_linear_scan()+0x1cc
(c1_LinearScan.cpp:3120)<br>
V [libjvm.so+0xccd0bd] Compilation::emit_lir()+0x85d
(c1_Compilation.cpp:274)<br>
V [libjvm.so+0xccf626] Compilation::compile_java_method()+0x1f6
(c1_Compilation.cpp:404)<br>
V [libjvm.so+0xcd006e] Compilation::compile_method()+0x21e
(c1_Compilation.cpp:479)<br>
V [libjvm.so+0xcd0788]
Compilation::Compilation(AbstractCompiler*, ciEnv*, ciMethod*,
int, BufferBlob*, bool, DirectiveSet*)+0x318
(c1_Compilation.cpp:609)<br>
V [libjvm.so+0xcd1ec5] Compiler::compile_method(ciEnv*,
ciMethod*, int, bool, DirectiveSet*)+0xb5 (c1_Compiler.cpp:262)<br>
V [libjvm.so+0xfb9fb7]
CompileBroker::invoke_compiler_on_method(CompileTask*)+0xae7
(compileBroker.cpp:2307)<br>
V [libjvm.so+0xfbadb8]
CompileBroker::compiler_thread_loop()+0x5c8
(compileBroker.cpp:1951)<br>
V [libjvm.so+0x14e982e] JavaThread::thread_main_inner()+0xee
(javaThread.cpp:776)<br>
V [libjvm.so+0x202866e] Thread::call_run()+0xbe
(thread.cpp:231)<br>
V [libjvm.so+0x1b3271b] thread_native_entry(Thread*)+0x12b
(os_linux.cpp:877)<br>
Registers:<br>
RAX=0x00007efcd9b43000, RBX=0x00007efcd99856c4,
RCX=0x00007efcd8fcd6d0, RDX=0x00007efcd8fe21e0<br>
RSP=0x00007efcb85ed5e0, RBP=0x00007efcb85ed600,
RSI=0x0000000000000075, RDI=0x00007efcd8fe1be8<br>
R8 =0x0000000000000000, R9 =0x0000000000000000,
R10=0x0000000000000000, R11=0x0000000000000000<br>
R12=0x00007efcb85ed5e8, R13=0x000055c18a7f2818,
R14=0x00007efcd997f380, R15=0x00007efcb85ed670<br>
RIP=0x00007efcd7968790, EFLAGS=0x0000000000010246,
CSGSFS=0x002b000000000033, ERR=0x0000000000000006<br>
TRAPNO=0x000000000000000e<br>
<br>
XMM[0]=0x0000000000000000 0x0000000000000000<br>
XMM[1]=0x0000000000000000 0x0000000000000006<br>
XMM[2]=0x0000000000000000 0x0000000000000000<br>
XMM[3]=0x0000000000000000 0x0000000000000000<br>
XMM[4]=0x0000000000000000 0x0000000000000000<br>
XMM[5]=0x0000000000000000 0x000055c186978be0<br>
XMM[6]=0x0000000000000000 0x0000000000000000<br>
XMM[7]=0x0000000000000000 0x000055c186978be0<br>
XMM[8]=0x7463656a624f2f6c 0x6974752f6176616a<br>
XMM[9]=0x0000000000000000 0x0000000000000000<br>
XMM[10]=0x0000000000000001 0x0000000000000001<br>
XMM[11]=0x0000000000000000 0x00007efcd8fac4c0<br>
XMM[12]=0x0000000000000000 0x0000000000000000<br>
XMM[13]=0x0000000000000000 0x0000000000000000<br>
XMM[14]=0x0000000000000000 0x0000000000000000<br>
XMM[15]=0xcafebabecafebabe 0xcafebabecafebabe<br>
MXCSR=0x00001fa2<br>
</p>
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