Running: numactl -m 0 -N 0 /localhome/javas/jdk-15-ootb/bin/java -XX:+UseNUMA -XX:+ForceNUMA -version

This guarantee is triggered:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (g1NUMAStats.cpp:34), pid=23874, tid=23877
# guarantee(num_nodes > 1) failed: Number of nodes (1) should be set
#
# JRE version: (15.0) (build )
# Java VM: Java HotSpot(TM) 64-Bit Server VM (15-internal+0-2020-03-28-1614273.stefan.johansson.hs, mixed mode, sharing, tiered, compressed oops, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x66185f] G1NUMAStats::NodeDataArray::NodeDataArray(unsigned int)+0xdf
#
# Core dump will be written. Default location: /localhome/tests/gc-test-suite-2/core.23874
#
# An error report file with more information is saved as:
# /localhome/tests/gc-test-suite-2/hs_err_pid23874.log
#
#
Aborted (core dumped)