From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Diffey Subject: Re: [PATCH 0/6] snd-usb endpoint rework, version 6 Date: Wed, 11 Apr 2012 01:35:08 +1000 Message-ID: References: <1324656947-23169-1-git-send-email-zonque@gmail.com> <4EFDC32B.10808@gmail.com> <4F8336CA.9060809@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f179.google.com (mail-we0-f179.google.com [74.125.82.179]) by alsa0.perex.cz (Postfix) with ESMTP id 3BA33246DC for ; Tue, 10 Apr 2012 17:35:09 +0200 (CEST) Received: by werg1 with SMTP id g1so3453910wer.38 for ; Tue, 10 Apr 2012 08:35:08 -0700 (PDT) In-Reply-To: <4F8336CA.9060809@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Daniel Mack Cc: =?ISO-8859-1?Q?Aur=E9lien_Leblond?= , alsa-devel@alsa-project.org, Clemens Ladisch , Felix Homann List-Id: alsa-devel@alsa-project.org On Tue, Apr 10, 2012 at 5:21 AM, Daniel Mack wrote: > Hi Grant et al, > > > Again sorry for catching up so late on this. > > > On 16.01.2012 21:26, Grant Diffey wrote: > > So I've had a chance to do some testing. I can reliably generate then > > following trace with daniels patch on 3.2-rt10 > > > > [ 188.561901] ------------[ cut here ]------------ > > [ 188.561908] WARNING: at fs/proc/generic.c:586 > proc_register+0x181/0x1c7() > > [ 188.561909] Hardware name: HP Compaq 6910p > > [ 188.561911] proc_dir_entry 'card1/pcm0p' already registered > > There might have been a race condition in the shutdown path which I fixed. > > Could you repeat the tests you did some months ago and report whether > you still see this issue? I would also appreciate test input from other > people. Any kind of USB device is good to track these issues. > > Regarding the difference in reported channel numbers, I can't really > point my finger to any specific line. It really puzzles me, as my patch > set leaves the detection of interfaces and the registration of pcm > streams untouched. It would help to know whether there is any difference > in the output of "aplay -l" with and without my patches applied. > > To test the new set of patches, please start off with a 3.4.0 vanilla > kernel and then either > > git pull git://github.com/zonque/linux.git usb-audio > > or manually apply the combined patch from https://gist.github.com/1168715 > > > I hope to *finally* get this topic finished in this round, but I need > the some helpers for testing :) > > > > Daniel > > So this seems to be good it solves the clicking problem for me generating sine wave's I need to do some further testing. which is unlikely to happen this morning. Grant.