(In reply to Maurizio Galli from comment #14) > Poking around I came across this: > https://github.com/mate-desktop/mate-session-manager/issues/165 > > It could be worth testing a different DM than LightDM to see. Sorry just a theory as it is already dismissed in the comments: https://github.com/CanonicalLtd/lightdm/issues/45#issuecomment-433468712