From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Mack Subject: Re: [ISSUE] crackles and clicks Date: Tue, 14 Jan 2014 17:08:54 +0100 Message-ID: <52D56116.2060407@zonque.org> References: <89F8E4011FD7234ABFE48744E300CBC206BC3EF2@041-DB3MPN1-093.041d.mgd.msft.net> <20140114144224.GC23764@tamtam.fritz.box> <89F8E4011FD7234ABFE48744E300CBC206BC449B@041-DB3MPN1-093.041d.mgd.msft.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.zonque.de (svenfoo.org [82.94.215.22]) by alsa0.perex.cz (Postfix) with ESMTP id D41E7261AED for ; Tue, 14 Jan 2014 17:08:55 +0100 (CET) In-Reply-To: <89F8E4011FD7234ABFE48744E300CBC206BC449B@041-DB3MPN1-093.041d.mgd.msft.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: LANGLOIS Olivier PIS -EXT , "alsa-devel@alsa-project.org" List-Id: alsa-devel@alsa-project.org On 01/14/2014 04:59 PM, LANGLOIS Olivier PIS -EXT wrote: > I experience the audible clicks with VLC but I have reproduced it > with aplay as well. The clicks that I hear corresponds to underruns. > For the records, this is not happening with a USB device. I have a > Intel HDA sound card. Ok, sorry. I missed that detail. > I did chime in the discussion to point out that > the problem could come from something else than ALSA or the sound > card driver. Here is the output of my aplay session. This makes me > doubt my hypothesis. I'll check the cpu usage while the Wifi is on > but not connected or see if running aplay in real-time prio makes > things any better. I see, and I'd say that's a sign that the wifi driver is holding off the system way too long somewhere, rather than a problem with the sound driver. Could you repost your findings from the earlier mail and send them to Larry.Finger@lwfinger.net and linux-wireless@vger.kernel.org? The wireless people might have an idea what's going on. Daniel