On 04/17/2018 06:33 AM, Alexandre Courbot wrote: > On Mon, Apr 9, 2018 at 11:20 PM Hans Verkuil <hverk...@xs4all.nl> wrote: > >> From: Hans Verkuil <hans.verk...@cisco.com> > >> Hi all, > >> This is a cleaned up version of the v10 series (never posted to >> the list since it was messy). > > Hi Hans, > > It took me a while to test and review this, but finally have been able to > do it. > > First the result of the test: I have tried porting my dummy vim2m test > program > (https://gist.github.com/Gnurou/34c35f1f8e278dad454b51578d239a42 for > reference), > and am getting a hang when trying to queue the second OUTPUT buffer (right > after > queuing the first request). If I move the calls the VIDIOC_STREAMON after > the > requests are queued, the hang seems to happen at that moment. Probably a > deadlock, haven't looked in detail yet. > > I have a few other comments, will follow up per-patch. >
I had a similar/same (?) report about this from Paul: https://www.mail-archive.com/linux-media@vger.kernel.org/msg129177.html I hope to resume my Request API work on Thursday. Regards, Hans
