On Wed, Mar 21, 2012 at 07:49:02PM +0700, Pandu Poluan wrote: > On Mar 21, 2012 6:22 PM, "Alan Mackenzie" <[email protected]> wrote:
> > Hello, Pandu. > > On Wed, Mar 21, 2012 at 07:35:14AM +0700, Pandu Poluan wrote: > > > On Mar 21, 2012 5:36 AM, "Alan Mackenzie" <[email protected]> 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. > Strange... > Do you use mdev to handle hotplugs, btw? You mean, like sticking in a USB stick, or turning my printer on? Yes, I do. > Rgds, -- Alan Mackenzie (Nuremberg, Germany).

