From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from lb2-smtp-cloud2.xs4all.net ([194.109.24.25]:52261 "EHLO lb2-smtp-cloud2.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753983AbbETSe1 (ORCPT ); Wed, 20 May 2015 14:34:27 -0400 Message-ID: <555CD3AB.7010103@xs4all.nl> Date: Wed, 20 May 2015 20:34:19 +0200 From: Hans Verkuil MIME-Version: 1.0 To: linux-media@vger.kernel.org, Patrice Levesque Subject: Re: ATI TV Wonder regression since at least 3.19.6 References: <20150511161203.GG3206@ptaff.ca> <55519647.5010007@xs4all.nl> <20150514125607.GA3303@ptaff.ca> <5554C7BB.3070300@xs4all.nl> <20150515151218.GA5466@ptaff.ca> In-Reply-To: <20150515151218.GA5466@ptaff.ca> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 05/15/2015 05:12 PM, Patrice Levesque wrote: > > Hi Hans, > > >>> Function isn't used; when compiling I get: >> That makes no sense. This function is most definitely used. > > Idiot guy here did not follow simple instructions and didn't patch the > right kernel source. He just did, and function is used. > > >> Did you start a capturing video first before running dmesg? I want to >> see if capturing video will generate messages in dmesg. > > Sending you again my (truncated) dmesg, but here's the annotated salient bit: > > Starting video capture first time: > [Fri May 15 11:01:43 2015] restart_video_queue > [Fri May 15 11:01:44 2015] restart_video_queue > [Fri May 15 11:01:55 2015] restart_video_queue > [Fri May 15 11:01:56 2015] restart_video_queue > [Fri May 15 11:01:56 2015] restart_video_queue > [Fri May 15 11:02:00 2015] restart_video_queue > [Fri May 15 11:02:05 2015] restart_video_queue > [Fri May 15 11:02:06 2015] restart_video_queue > [Fri May 15 11:02:06 2015] restart_video_queue > [Fri May 15 11:02:06 2015] restart_video_queue > [Fri May 15 11:02:07 2015] restart_video_queue > [Fri May 15 11:02:07 2015] restart_video_queue > [Fri May 15 11:02:07 2015] restart_video_queue > [Fri May 15 11:02:09 2015] restart_video_queue > Stopping video capture: > [Fri May 15 11:03:26 2015] restart_video_queue > Re-Starting video capture: > [Fri May 15 11:03:40 2015] restart_video_queue > Stopping video capture: > [Fri May 15 11:04:18 2015] restart_video_queue > > Changing channels didn't provoke restart_video_queue events. FYI: I've bought this card on ebay and I am waiting for it to arrive. Hopefully I can reproduce it and then I'll fix it. It's a fair bit of work, unfortunately. The fact that this function is called means that the DMA stalls every so often, and I'd like to know why that happens. Regards, Hans