On 2020-10-27 11:14:34 [+0100], Mike Galbraith wrote: > On Tue, 2020-10-27 at 10:00 +0100, Sebastian Andrzej Siewior wrote: > > Let me try if I can figure out when this broke. > > My money is on... > 710da3c8ea7df (Juri Lelli 2019-07-19 16:00:00 +0200 5317) if (pi) > 710da3c8ea7df (Juri Lelli 2019-07-19 16:00:00 +0200 5318) cpuset_read_lock(); > ...having just had an unnoticed consequence for nouveau. but that is over a year old and should be noticed in v5.4-RT. > -Mike Sebastian