On 2017-09-11 09:17, Sebastian Andrzej Siewior wrote:

On 2017-09-10 14:49:24 [+0200], Jacek Konieczny wrote:

quoted

I have been running it for a few days and no problems here. It seems
this fixed the locking problem for me.

Okay. Can you try without lockdep, please?

I have been using it for a few days now – still no crashes or lockups
here and performance seems significantly better without lockdep
(subjective feel, I have not measured it).

Thanks for the patches!

Jacek