It’s a hardware defect that requires a very specific workaround. More likely it’s just a regression that nobody thought to make a test for and it slipped through the cracks because modern developers aren’t likely using workstation/consumer CPUs from that era anymore.
Maybe linux community hate that CPU. It’s weird… because other CPU doesn’t have that kind of bug for many² years
It’s a hardware defect that requires a very specific workaround. More likely it’s just a regression that nobody thought to make a test for and it slipped through the cracks because modern developers aren’t likely using workstation/consumer CPUs from that era anymore.