From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 69420E00B7B; Mon, 9 Jun 2014 11:09:36 -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=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low * trust * [209.85.160.51 listed in list.dnswl.org] Received: from mail-pb0-f51.google.com (mail-pb0-f51.google.com [209.85.160.51]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 416AFE00B66 for ; Mon, 9 Jun 2014 11:09:27 -0700 (PDT) Received: by mail-pb0-f51.google.com with SMTP id ma3so5225712pbc.38 for ; Mon, 09 Jun 2014 11:09:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=rRis1HOR/7/8ewLhM0/HnUD8NbivvFDVr2PfTLfg8uo=; b=dXw6zzMjsWgmit2zhZnTZZ3zgGP/Iu6dsx5u4sGI0o9Ue2CadsdbKWlYzqqVm3mYHz 3Kwsow9hHMA7hwrnrvh5Kmef3SK5aacjOSuekgZipZ42ITSTZpJx3dQnpWYCRq3C/ARE 8hNU2K7+OSWTVet0KExU5mqXSX1r+m4iC8d6T/R03xbYCIpbMfHYFyNj2qPjjxofsOI1 6pFZAdIukT2euNbMqKoZCdEyStAZe2nThmBC3Du3myIaDEXoWay+ti6yEWCvUWLOd+z8 wu+piQFbV+PuTsvcgwY8Smob6bIcwL+K/uBivyj7ZxQb3mqCeg6DBfnhQDwaqzmhET3K byIQ== X-Gm-Message-State: ALoCoQl6ohAdq5kM/0necV0ICu4GONsgKi4sZyFhsjZJ9lXfePs3wuHIi++2CW8RUHWgaGkWe5gi X-Received: by 10.66.228.133 with SMTP id si5mr64512pac.48.1402337367552; Mon, 09 Jun 2014 11:09:27 -0700 (PDT) Received: from [29.6.1.5] (174-19-177-179.phnx.qwest.net. [174.19.177.179]) by mx.google.com with ESMTPSA id bv4sm162644pad.25.2014.06.09.11.09.25 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 09 Jun 2014 11:09:26 -0700 (PDT) Message-ID: <5395F853.4060905@boundarydevices.com> Date: Mon, 09 Jun 2014 11:09:23 -0700 From: Eric Nelson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: John Weber , 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> <5395F5F7.8060005@gmail.com> In-Reply-To: <5395F5F7.8060005@gmail.com> X-Enigmail-Version: 1.6 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 18:09:36 -0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi John, On 06/09/2014 10:59 AM, John Weber wrote: > 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? > This was purely un-intentional. I think I was working with a build that started with core-image-minimal. Regards, Eric