From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 5FF9CE00B7B; Mon, 9 Jun 2014 10:59:25 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-HAM-Report: * 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider * (rjohnweber[at]gmail.com) * -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low * trust * [209.85.160.180 listed in list.dnswl.org] * -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's * domain * 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily * valid * -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Received: from mail-yk0-f180.google.com (mail-yk0-f180.google.com [209.85.160.180]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id C97F6E00B66 for ; Mon, 9 Jun 2014 10:59:21 -0700 (PDT) Received: by mail-yk0-f180.google.com with SMTP id 131so1216559ykp.11 for ; Mon, 09 Jun 2014 10:59:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=OCii/m5eKj738fLcUflxM2BbKxQjjNFhS2cS1fYN0vQ=; b=xmGDnhC+PhSGhMd0TBEDy12+R6F3ejUUYZiw3uvWZoagPBykjEjxulzim5eoTNjfEc /mcBJll/Xr29SObpROgBFZcLidkiwXFf+TPXxq8BuNmLd12qnuTANjo3/DNIrk1x1tR4 xZN34PRaTXNOuyGiZFxry8GnVxQar1ixBpyHNnaAsFb8PNo/ltZY/FrOC05VX7rw/AIB tpwy4p9/Iu0my0RSZbEAbFHJgkFhzy/NQzM1/9uQoiorrrO4tmVurNSTJy8K8Bfhd19i 06R/79fRa1k2Wv2f3jXG31i+aaWqXQYUTomhk50iHmeUEce3TWGe5MCqRBc2TVt4h2F1 vCWA== X-Received: by 10.236.46.5 with SMTP id q5mr18337732yhb.21.1402336760404; Mon, 09 Jun 2014 10:59:20 -0700 (PDT) Received: from goober-2.local ([75.76.197.2]) by mx.google.com with ESMTPSA id t5sm25904568yhd.6.2014.06.09.10.59.19 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 09 Jun 2014 10:59:19 -0700 (PDT) Message-ID: <5395F5F7.8060005@gmail.com> Date: Mon, 09 Jun 2014 12:59:19 -0500 From: John Weber User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Eric Nelson , Otavio Salvador References: <5382B827.2030302@gmail.com> <5390B171.8080600@gmail.com> <5390B373.7040805@gmail.com> <5390B585.8090104@gmail.com> <5390C097.6050908@gmail.com> <5390D368.9000309@gmail.com> <5390D420.5010703@boundarydevices.com> <53924A57.6020101@boundarydevices.com> <53948685.2070402@gmail.com> <5395EBF8.8000406@boundarydevices.com> <5395F053.9020803@gmail.com> <5395F3A0.7040604@boundarydevices.com> In-Reply-To: <5395F3A0.7040604@boundarydevices.com> Cc: "meta-freescale@yoctoproject.org" Subject: Re: mxc_v4l2_capture sometimes not being modprobed X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Jun 2014 17:59:25 -0000 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Eric, On 6/9/14, 12:49 PM, Eric Nelson wrote: > Hi John, > > On 06/09/2014 10:35 AM, John Weber wrote: >> Hi Eric, >> >> On 6/9/14, 12:16 PM, Eric Nelson wrote: >>> Hi all, >>> >>> On 06/09/2014 06:52 AM, Otavio Salvador wrote: >>>> On Mon, Jun 9, 2014 at 10:51 AM, Otavio Salvador >>>> wrote: >>>>> On Sun, Jun 8, 2014 at 12:51 PM, John Weber >>>>> wrote: >>>>>> On 6/6/14, 6:10 PM, Eric Nelson wrote: >>>>>>> On 06/05/2014 01:33 PM, Eric Nelson wrote: >>>>>>>> On 06/05/2014 01:30 PM, John Weber wrote: >>>>>>>>> >>>>>>>>> >>>>>>>>> I think you're right, but as far as I know the only other entity >>>>>>>>> that >>>>>>>>> could confirm this would be Boundary Devices. Eric - do you see >>>>>>>>> this >>>>>>>>> same issue when connecting your camera to Nitrogen6x? >>>>>>>>> >>>>>>>> I've kinda followed this thread, but I'm kinda buried and it will >>>>>>>> take >>>>>>>> a day or two for me to confirm or deny this. >>>>>>>> >>>>>>> I just tested across a dozen assorted reboots/resets/power-cycles >>>>>>> and didn't see the issue with an OV5642 parallel camera and 3.10.17. >>>>>>> >>>>>>> I **don't** have udev-cache configured. >>>>>> I suspect that we will need to disable it on Wandboard as well. >>>>> This is not a good fix. >>>>> >>>>> I added a patch, for OE-Core/Poky, attached; please confirm it fixes >>>>> it. >>> I just tested again on an image with udev-cache, and don't see any >>> issues on a Nitrogen6x board (CSI camera). >>> >>> I'm not sure what's different about my environment. >>> >>> Regards, >>> >>> >>> Eric >>> >> Not sure either, but are you testing with the parallel CSI or MIPI CSI >> camera? Could there be a difference in the how the drivers are loaded? >> > I tested using parallel CSI. > > AFAIK, the driver load process is the same for both. > > Regards, > > > Eric OK. I don't think our environments are very different, so I suspect that it might be one of the few kernel enhancements that you've made. BTW - did you disable udev-cache by default? If so where did you do this in Yocto? John