From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-yx0-f187.google.com ([209.85.210.187]:47024 "EHLO mail-yx0-f187.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756042AbZLDE7Z (ORCPT ); Thu, 3 Dec 2009 23:59:25 -0500 Message-ID: <4B189737.1010100@gmail.com> Date: Thu, 03 Dec 2009 20:59:35 -0800 From: "Justin P. Mattock" MIME-Version: 1.0 To: Daniel Ritz CC: Laurent Pinchart , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] uvcvideo: add another YUYV format GUID References: <1259711324.13720.20.camel@MacRitz2> <200912032115.30431.laurent.pinchart@ideasonboard.com> <1259892337.2335.34.camel@MacRitz2> In-Reply-To: <1259892337.2335.34.camel@MacRitz2> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 12/03/09 18:05, Daniel Ritz wrote: > Hi Laurent > > On Thu, 2009-12-03 at 21:15 +0100, Laurent Pinchart wrote: >> Hi Daniel, >> >> On Wednesday 02 December 2009 00:48:44 Daniel Ritz wrote: >>> For some unknown reason, on a MacBookPro5,3 the iSight >> >> Could you please send me the output of lsusb -v both with the correct and >> wrong GUID ? > > sure. i attached three files: > isight-good.txt, isight-bad.txt, isight-good2.txt > > this is three reboots in a row from like 10 minutes ago. the first > boot into linux was actually rebooting from OSX...first cold boot > today directly into linux had the right GUID. > >> >>> _sometimes_ report a different video format GUID. >> >> Sometimes only ? Now that's weird. Is that completely random ? > > yes, sometimes only. it seems to be related to reboots, but i don't > know what exactly triggers it. rmmod/modprobe doesn't trigger it. > also, when the wrong GUID is reported, the only way of fixing it is > to reboot. it really is just the GUID. even when the wrong one is > reported, the device works just fine. > > i started with a plain ubuntu 9.10, kernel 2.6.31 which was supposed > to fail, so i upgraded to a 2.6.32-rc8 to fix the iSight and some other > things, just to see it fail again. a reboot later and it worked, some > time and reboot later it failed again... > > rgds > -daniel > >>> This patch add the other (wrong) GUID to the format table, making the iSight >>> work always w/o other problems. >>> >>> What it should report: 32595559-0000-0010-8000-00aa00389b71 >>> What it often reports: 32595559-0000-0010-8000-000000389b71 >>> >>> Signed-off-by: Daniel Ritz >> >> -- >> Regards, >> >> Laurent Pinchart > I get weiredness whenever I shutdown the machine and then boot. If I boot, then reboot things work. Justin P. Mattock