On Sat, Jan 07, 2023 at 02:46:26AM +0000, Al Viro wrote: > Not sure it's worth bothering with in palcode-clipper - for Linux it's > useless (run out of timeslice and FEN will end up set, no matter what), > nothing in NetBSD or OpenBSD trees generates that call_pal, current > FreeBSD doesn't support alpha and their last version to do so hadn't > generated that call_pal either... What else is out there? OSF? BTW, out of curiosity - what was case 5: /* illoc */ default: /* unexpected instruction-fault type */ about in that switch in do_entIF()? All documentation I'd been able to find had only 0..4 as expected values (bpt/bugcheck/gentrap/fen/opdec)...