From mboxrd@z Thu Jan 1 00:00:00 1970 From: dfoley Subject: soc underrun problem Date: Tue, 17 Mar 2009 21:56:06 -0700 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by alsa0.perex.cz (Postfix) with ESMTP id B876C1038AE for ; Wed, 18 Mar 2009 06:00:04 +0100 (CET) Received: from root by ciao.gmane.org with local (Exim 4.43) id 1Ljnso-00048k-Pa for alsa-devel@alsa-project.org; Wed, 18 Mar 2009 05:00:02 +0000 Received: from d75-157-50-35.bchsia.telus.net ([75.157.50.35]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 18 Mar 2009 05:00:02 +0000 Received: from dfoley by d75-157-50-35.bchsia.telus.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 18 Mar 2009 05:00:02 +0000 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: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org I'm currently having a problem with playing wave files root@tsi-tpcxx:~# aplay /usr/share/sounds/alsa/Front_Center.wav Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono mapped channel 10 to 2 underrun!!! (at least 130.662 ms long) underrun!!! (at least 140.809 ms long) I've narrowed it down to the commit ed3da3d9a0ef13c6fe1414ec73c9c1be12747b62 in linux-next/sound-2.6-tiwai.git. ALSA: Rewrite hw_ptr updaters The audio works fine, when I reverse this commit. My hardware is: CPU s3c2410 @ 202.8Mhz codecs (ak4550 or tlv320) Anyone else seeing this ?