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:


I hope to resume my Request API work on Thursday.



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