First of all, I have to correct my last comment - the 'none' process wasn't a kthread, because it lacked the PF_KTHREAD flag. (In reply to Martin Wilck from comment #46) > Here's something of interest: > > https://lkml.org/lkml/2018/10/20/259 There is also a patch in systemd 240: https://github.com/systemd/systemd/commit/e45154c770567507cc51eb78b28a1fae1fcdf396