On Fri, 2019-10-25 at 16:00 +0200, Michal Hocko wrote: > And one more thing. Considering that you are able to reproduce and > you > have a working kernel, could you try to bisect this? Yikes - running self-built kernels brings back a lot of memories ;) Anyway, going this route (using the `config` from Ubuntu 5.1.x as a base and accepting the defaults for `make oldconfig`): git checkout v5.1-rc1 git bisect start git bisect bad git bisect good v5.0 ... first try @ e266ca36da7de45b64b05698e98e04b578a88888 is a `git bisect good` Will report back, when I've got a result...