On 7/15/22 14:15, Christian König wrote: > I've stumbled over this while reviewing patches for DMA-buf and it looks > like we completely messed the locking up here. > > In general most TTM function should only be called while holding the > appropriate BO resv lock. Without this we could break the internal > buffer object state here. Could you please clarify which part of the TTM state is affected? -- Best regards, Dmitry