From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1SAJa0-0002aD-MV for garchives@archives.gentoo.org; Wed, 21 Mar 2012 11:19:48 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 599ADE090E; Wed, 21 Mar 2012 11:19:40 +0000 (UTC) Received: from mail.muc.de (colin.muc.de [193.149.48.1]) by pigeon.gentoo.org (Postfix) with ESMTP id 6807EE0759 for ; Wed, 21 Mar 2012 11:18:36 +0000 (UTC) Received: (qmail 40677 invoked by uid 3782); 21 Mar 2012 11:18:35 -0000 Received: from acm.muc.de (pD951B9A6.dip.t-dialin.net [217.81.185.166]) by colin.muc.de (tmda-ofmipd) with ESMTP; Wed, 21 Mar 2012 12:18:33 +0100 Received: (qmail 15121 invoked by uid 1000); 21 Mar 2012 11:17:27 -0000 Date: Wed, 21 Mar 2012 11:17:27 +0000 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] mdev: sound is only working some of the time. Message-ID: <20120321111727.GB15011@acm.acm> References: <20120320223107.GA2961@acm.acm> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Delivery-Agent: TMDA/1.1.12 (Macallan) From: Alan Mackenzie X-Primary-Address: acm@muc.de X-Archives-Salt: 904cd553-002d-4d4b-b69d-98bfc347b98e X-Archives-Hash: a28855951cdc756bfefffe0f9362ac78 Hello, Pandu. On Wed, Mar 21, 2012 at 07:35:14AM +0700, Pandu Poluan wrote: > On Mar 21, 2012 5:36 AM, "Alan Mackenzie" wrote: > > Hi, all. > > Got a problem with my system running under mdev. When I try to play CDs > > (with aqualung feeding into PulseAudio), no sound comes out. However, > > when I listen to an audio section from a newspaper page such as > > www.tagesschau.de (no idea what audio format) it works. > > Clearly this is something to do with mdev. I had a look at the devices > > in /dev, searching for those in group audio. Under udev, I find the > > following as device nodes: > > adsp audio dsp mixer mixer1 sequencer sequencer2. > > Under mdev, all of these bar one are symlinks into the real nodes in a > > subdirectory. The odd man out is mixer1 which is a device node, but > > with owner/group begin root/root (rather than root/audio). > > Can anybody suggest any fix, or further areas of exploration? Thanks! > That's indicative that it's the kernel doing the populating (that is, > everything belongs to root:root). No, it was just that one device belonging to root:root. This is mysterious indeed. > That means, mdev hasn't got the chance to 'restructure' the /dev > directory (that is, rename and/or move and/or chown devices). > Does 'mdev -s' exist in your /sbin/linuxrc? Can you post your linuxrc > here? mdev -s wasn't in my /sbin/linuxrc. It is now. It hasn't made any difference to that wayward device. As I said to Walt, I've solved the problem by turfing out pulseaudio. > Rgds, -- Alan Mackenzie (Nuremberg, Germany).