On 03/20/2012 03:31 PM, 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!
Can you do chown root:audio on the mixer as a test?