On Wed, Aug 17, 2022, at 7:49 AM, Jan Kara wrote: > > Another thing worth trying is to compile the kernel without > CONFIG_BFQ_GROUP_IOSCHED. That will essentially disable cgroup support in > BFQ so we will see whether the problem may be cgroup related or not. The problem happens with a 5.12.0 kernel built without CONFIG_BFQ_GROUP_IOSCHED. -- Chris Murphy