On Mar 21, 2012 6:22 PM, "Alan Mackenzie" 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" 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? Rgds,