Nothing in the test log but the core dump seems to show that many threads are piling up on either the MethodCompileQueue_lock or Compile_lock (can't tell which), but they are both held by this thread:

Thread 15 (Thread 0xffff7892e1d0 (LWP 1357632)):
#0 0x0000ffffa87cae48 in nanosleep () from /lib64/libc.so.6
#1 0x0000ffffa7ea3bdc in os::naked_short_nanosleep(long) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#2 0x0000ffffa7f82450 in SpinYield::yield_or_sleep() () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#3 0x0000ffffa7a3a434 in GlobalCounter::write_synchronize() () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#4 0x0000ffffa795e6c4 in G1CodeRootSet::add(nmethod*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#5 0x0000ffffa7e5522c in nmethod::oops_do(OopClosure*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#6 0x0000ffffa796042c in G1CollectedHeap::register_nmethod(nmethod*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#7 0x0000ffffa7e58b80 in nmethod::nmethod(Method*, CompilerType, int, int, int, int, int, unsigned char*, CodeOffsets*, int, DebugInformationRecorder*, Dependencies*, CodeBuffer*, int, OopMapSet*, ExceptionHandlerTable*, ImplicitExceptionTable*, AbstractCompiler*, CompLevel, char*, int, JVMCINMethodData*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#8 0x0000ffffa7e58fd8 in nmethod::new_nmethod(methodHandle const&, int, int, CodeOffsets*, int, DebugInformationRecorder*, Dependencies*, CodeBuffer*, int, OopMapSet*, ExceptionHandlerTable*, ImplicitExceptionTable*, AbstractCompiler*, CompLevel, char*, int, JVMCINMethodData*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#9 0x0000ffffa77677cc in ciEnv::register_method(ciMethod*, int, CodeOffsets*, int, CodeBuffer*, int, OopMapSet*, ExceptionHandlerTable*, ImplicitExceptionTable*, AbstractCompiler*, bool, bool, bool, bool, int) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#10 0x0000ffffa769384c in Compilation::install_code(int) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#11 0x0000ffffa7694fd8 in Compilation::compile_method() () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#12 0x0000ffffa7695198 in Compilation::Compilation(AbstractCompiler*, ciEnv*, ciMethod*, int, BufferBlob*, bool, DirectiveSet*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#13 0x0000ffffa7696498 in Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#14 0x0000ffffa7812610 in CompileBroker::invoke_compiler_on_method(CompileTask*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#15 0x0000ffffa781387c in CompileBroker::compiler_thread_loop() () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#16 0x0000ffffa7ad15a8 in JavaThread::thread_main_inner() [clone .part.0] () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#17 0x0000ffffa805c448 in Thread::call_run() () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#18 0x0000ffffa7e99c48 in thread_native_entry(Thread*) () from /opt/mach5/mesos/work_dir/jib-master/install/jdk-26+10-1042/linux-aarch64.jdk/jdk-26/lib/server/libjvm.so
#19 0x0000ffffa86a2950 in start_thread () from /lib64/libpthread.so.0
#20 0x0000ffffa874690c in thread_start () from /lib64/libc.so.6