float rX = 0.0;
float rY = 0.0;

void setup() {
  size(400,400, P3D);
  frameRate(30); // Calling frameRate could help...
  rectMode(CENTER);
}

void draw() {
  background(255);
  translate(width/2, height/2);
  rotateX(rX += 0.005);
  rotateY(rY += 0.01);
  rect(0,0,200,200); 
}

# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGILL (0x4) at pc=0x00007fff201fa25d, pid=18786, tid=12547
#
# JRE version: OpenJDK Runtime Environment Temurin-11.0.12+7 (11.0.12+7) (build 11.0.12+7)
# Java VM: OpenJDK 64-Bit Server VM Temurin-11.0.12+7 (11.0.12+7, mixed mode, tiered, compressed oops, g1 gc, bsd-amd64)
# Problematic frame:
# C  [libdispatch.dylib+0x525d]  _dispatch_assert_queue_fail+0x63
#
# 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:
# /Users/Philipp/hs_err_pid18786.log
#
# If you would like to submit a bug report, please visit:
#   https://github.com/adoptium/adoptium-support/issues
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.