On Wed, Aug 10, 2022, at 2:33 PM, Chris Murphy wrote: > On Wed, Aug 10, 2022, at 1:48 PM, Josef Bacik wrote: > >> To help narrow this down can you disable any IO controller you've got enabled >> and see if you can reproduce? If you can sysrq+w is super helpful as it'll >> point us in the next direction to look. Thanks, > > I'm not following, sorry. I can boot with > systemd.unified_cgroup_hierarchy=0 to make sure it's all off, but we're > not using an IO cgroup controllers specifically as far as I'm aware. OK yeah that won't work because the workload requires cgroup2 or it won't run. -- Chris Murphy