On Tue 08-10-19 08:00:43, Qian Cai wrote: > > > > On Oct 8, 2019, at 6:39 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote: > > > > Have you actually triggered any real deadlock? With a zone->lock in > > place it would be pretty clear with hard lockups detected. > > Yes, I did trigger here and there, and those lockdep splats are > especially useful to figure out why. Can you provide a lockdep splat from an actual deadlock please? I am sorry but your responses tend to be really cryptic and I never know when you are talking about actual deadlocks and lockdep splats. I have asked about the former several times never receiving a specific answer. -- Michal Hocko SUSE Labs
