From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from bhuna.collabora.co.uk ([93.93.135.160]:48184 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751547AbaI3NMH (ORCPT ); Tue, 30 Sep 2014 09:12:07 -0400 Message-ID: <542AAC21.70804@collabora.com> Date: Tue, 30 Sep 2014 09:12:01 -0400 From: Nicolas Dufresne MIME-Version: 1.0 To: Paulo Assis , Linux Media Mailing List Subject: Re: uvcvideo fails on 3.16 and 3.17 kernels References: In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: Le 2014-09-30 04:50, Paulo Assis a écrit : > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1362358 > > I've run some tests and after increasing verbosity for uvcvideo, I get: > EOF on empty payload > > this seems consistent with the zero size frames returned by the driver. > After VIDIOC_DQBUF | VIDIOC_QBUF, I get buf.bytesused=0 > > Testing with an eye toy 2 (gspca), everything works fine, so this is > definitly related to uvcvideo. > This happens on all available formats (YUYV and MJPEG) Might be related to the libv4l2 bug I reported yesterday, are you using libv4l2 in these tests ? Nicolas