From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp-vbr13.xs4all.nl ([194.109.24.33]:4596 "EHLO smtp-vbr13.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750914AbaIVKDy (ORCPT ); Mon, 22 Sep 2014 06:03:54 -0400 Message-ID: <541FF3F5.8070506@xs4all.nl> Date: Mon, 22 Sep 2014 12:03:33 +0200 From: Hans Verkuil MIME-Version: 1.0 To: James Harper , "linux-media@vger.kernel.org" , Mauro Carvalho Chehab Subject: Re: buffer delivery stops with cx23885 References: <778B08D5C7F58E4D9D9BE1DE278048B5C0B208@maxex1.maxsum.com> <541D469B.4000306@xs4all.nl> <609d00f585384d999c8e3522fe1352ee@SIXPR04MB304.apcprd04.prod.outlook.com> <541D5220.4050107@xs4all.nl> <541D5CD0.1000207@xs4all.nl> <9cc65ceabd05475d89a92c5df04cc492@SIXPR04MB304.apcprd04.prod.outlook.com> <541D61D7.3080202@xs4all.nl> <59dd9f7eb4414e3e8683e52c559a8c45@SIXPR04MB304.apcprd04.prod.outlook.com> <541FDFB4.6070201@xs4all.nl> <01776abac53640498b8fc87ac8d36fd1@HKXPR04MB295.apcprd04.prod.outlook.com> <541FF16A.9060902@xs4all.nl> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Mauro, On 09/22/2014 11:58 AM, James Harper wrote: >>>>> >>>>> Any hints on what I can do to figure out what layer it's stalling at? >>>> >>>> I have no idea. I would do a git bisect to try and narrow it down. >>>> >>> >>> Problem with the bisect is that I can't be sure what version it actually >> worked on. It certainly predates when my patch for my card was committed. >>> >>> I have a hunch that it might be the two tuners stomping on each other, >> possibly in the i2c code. Sometimes recording just stops, other times I get i2c >> errors. >> >> Is that two tuners in the same device, or two tuners in different devices? >> > > DViCO FusionHDTV DVB-T Dual Express2 > > 2 tuners on one card Any idea if there were changes or are issues with i2c access when there are two tuners in the same device? That's not really my expertise but you might know something about that. Regards, Hans