On 05-02-16, 02:20, Shilpasri G Bhat wrote: > I could see the previous lockdep warnings on pm/next and on top of patch[4]. > On Patch[5-7] I see the below lockdep trace on running './runme' on a Power8 > box.
> [ 710.336130] Chain exists of: > s_active#91 --> &dbs_data->mutex --> od_dbs_cdata.mutex > > [ 710.336376] Possible unsafe locking scenario: > > [ 710.336488] CPU0 CPU1 > [ 710.336577] ---- ---- > [ 710.336666] lock(od_dbs_cdata.mutex); > [ 710.336778] lock(&dbs_data->mutex); > [ 710.336911] lock(od_dbs_cdata.mutex); > [ 710.337064] lock(s_active#91); > [ 710.337176] This is the same lockdep, just that we have added another mutex (dbs_data->mutex) to it. Have you tried if all the lockdeps go away with the 8th patch that I provided yesterday ? -- viresh
