On Thu 29-08-19 18:59:31, David Hildenbrand wrote: > On 29.08.19 18:27, Michal Hocko wrote: [...] > > No rush, really... It seems this is quite unlikely event as most hotplug > > usecases simply online memory before removing it later on. > > > > I can trigger it reliably right now while working/testing virtio-mem, so > I finally want to clean up this mess :) (has been on my list for a long > time). I'll try to hunt for the right commit id's that broke it. f1dd2cd13c4b ("mm, memory_hotplug: do not associate hotadded memory to zones until online") -- Michal Hocko SUSE Labs