Hi Matthew, On Sun, Apr 10, 2011 at 2:46 PM, Matthew Woodcraft <matthew at woodcraft.me.uk> wrote: > + cpu.setup_once() Thanks, fixed. We did not notice this failure because pypy/jit/backend/x86/test/test_zll_random.py provides its own interface over calling test_random.py directly with --backend=x86. A bientôt, Armin.