From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Inspiron 8200 and the CS4205 Date: Fri, 13 Sep 2002 11:19:07 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <20020910184038.GA2240@spherenet.dyndns.org> <20020912171636.GA30317@shaftnet.org> Mime-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <20020912171636.GA30317@shaftnet.org> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Stuffed Crust Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Thu, 12 Sep 2002 13:16:36 -0400, Stuffed Crust wrote: > > [1 ] > On Thu, Sep 12, 2002 at 06:00:21PM +0200, Takashi Iwai wrote: > > > Here is what i've learned about all my experiences so far with the > > > Inspiron 8200 and the CS4205: > > > > which driver? maestro3 or intel8x0? > > and which kernel are you using? > > I have similar problems with my Inspiron 4100. > > It has an ICH3 (i830M -- intel8x0) and a CS4205 codec. > > Basically, some apps stutter immediately on playback (kinda like the > helicopter noise he was describing), and others start okay, but sometimes > start and stop stuttering seemingly at random in mid-stream. > > in particular, mpg321 (via libao) seems to do this fairly often, while > ogg123 (also via libao) seems to be immune. SDL apps (using the alsa09 > backend) are intermittent, as are a couple of my own creations that hook > into alsa directly. > > This has been fairly consitent across multiple ALSA and kernel releases, > including alsa 0.9.0rc3 and current cvs, and kernel 2.4.20-pre5 that I'm > running right now. > > Though interestingly enough, if I switch the apps to use oss emulation > instead of native alsa output, things seem to work fine. i guess this is somehow different phenomenon from the original post. perhaps this has something to do with the hardware parameters, especially period size. could you check /proc/asound/card0/pcm0p/sub0/hw_status (and others) at each case to compare which parameters are used? Takashi ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf