From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Revell Date: Thu, 05 Jan 2006 20:29:17 +0000 Subject: Re: [2.6 patch] schedule obsolete OSS drivers for removal Message-Id: <1136492958.847.23.camel@mindpipe> List-Id: References: <20060103203732.GF5262@irc.pl> <9a8748490601031256x916bddav794fecdcf263fb55@mail.gmail.com> <20060103215654.GH3831@stusta.de> <20060103221314.GB23175@irc.pl> <20060103231009.GI3831@stusta.de> <20060104000344.GJ3831@stusta.de> <20060104010123.GK3831@stusta.de> <20060104113726.3bd7a649@mango.fruits.de> <20060104191750.798af1da@mango.fruits.de> <1136445063.24475.11.camel@mindpipe> <20060105200911.5aa4e705.froese@gmx.de> <1136489348.31583.47.camel@mindpipe> <20060105212428.42da986c.froese@gmx.de> In-Reply-To: <20060105212428.42da986c.froese@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Edgar Toernig Cc: Florian Schmidt , Takashi Iwai , Adrian Bunk , Jesper Juhl , Olivier Galibert , Alistair John Strachan , Jan Engelhardt , Andi Kleen , perex@suse.cz, alsa-devel@alsa-project.org, James@superbug.demon.co.uk, sailer@ife.ee.ethz.ch, linux-sound@vger.kernel.org, zab@zabbo.net, kyle@parisc-linux.org, parisc-linux@lists.parisc-linux.org, jgarzik@pobox.com, Thorsten Knabe , zwane@commfireservices.com, zaitcev@yahoo.com, linux-kernel@vger.kernel.org On Thu, 2006-01-05 at 21:24 +0100, Edgar Toernig wrote: > Lee Revell wrote: > > > > Edgar Toernig wrote: > > > Lee Revell wrote: > > > > > > > > If it does not Just Work it's a bug and we need to hear about it. > > > > > > So then: xawtv4 (dvb-app) works with hw:0 but not with 1.0.9's dmix default. > > > It works with /dev/dsp1 (usb-speakers) but not with /dev/dsp0 (atiixp ac'97). > > > vdr's softdevice (another dvb-app) works with dmix-default but not with hw:0. > > > > Come on, this is LKML, you should know that "it doesn't work" is not a > > useful bug report. > > xawtv4 with dmix is just silent and aborts when its queue of outstanding pcm > data is filled up. > > Trying to use /dev/dsp0 starts fine for a fraction of a second but then > either stays silent or stutters until its audio-queue overflows again. > > With vdr its similar: when using hw:0 it only stutters (and fills the log > with xrun errors). I had a short look once - it uses a very small buffer > (iirc about 4kb) and gets constant underruns which it tries to handle > via prepare-something but it's unable to recover. With dmix it works fine, > probably because of the bigger mixing buffer. Broken app. It needs to set a sane buffer size and not rely on the driver default. Lee