[olug] sound w/ devfs

[David Walker]

If you "ln -s /dev/sound/dsp /dev/dsp2" does it also end up being a symlink 
with funky permissions?

I haven't seen a symlink without rwxrwxrwx permissions before and I don't see 
where chmod lets you change those.

On Wednesday 20 November 2002 09:53 am, (Via wrote:
> Sound no longer works on my Gentoo box (which uses devfs).  I changed
> /etc/devfsd.conf to look like this:
>
> 		  LOOKUP          snd          MODLOAD ACTION snd
> 		  LOOKUP          dsp          MODLOAD
> 		  LOOKUP          mixer        MODLOAD
> 		  LOOKUP          midi         MODLOAD
> 		  REGISTER        sound/*      PERMISSIONS root.audio 660
> 		  REGISTER        sound/.*     PERMISSIONS root.audio 660
> 		  REGISTER        snd/.*       PERMISSIONS root.audio 660
> 		  REGISTER        snd/*       PERMISSIONS root.audio 660
>
> And my /dev/sound directory looks good:
>
> 		  gideon root # ls -la /dev/sound
> 		  total 0
> 		  drw-rw----    1 root     audio           0 December 31  1969 .
> 		  drwxr-xr-x    1 root     root            0 December 31  1969 ..
> 		  crw-rw----    1 root     audio     14,   4 December 31  1969 audio
> 		  crw-rw----    1 root     audio     14,   3 December 31  1969 dsp
> 		  crw-rw----    1 root     audio     14,   5 December 31  1969 dspW
> 		  crw-rw----    1 root     audio     14,   2 December 31  1969 midi
> 		  crw-rw----    1 root     audio     14,   0 December 31  1969 mixer
> 		  crw-rw----    1 root     audio     14,   1 December 31  1969 sequencer
> 		  crw-rw----    1 root     audio     14,   8 December 31  1969 sequencer2
>
>
> but my /dev/dsp doesn't:
>
> 		  gideon root # l /dev/dsp
> 		  lr-xr-xr-x    1 root     root            9 November 20 09:48 /dev/dsp
> -> sound/dsp
>
> My user is a member of group 'audio':
> 		  mikeh at gideon:pts/2:272 files 11Mb -> groups
> 		  users wheel audio apache
>
> but can't play a wav file, because it does not have access to /dev/dsp:
> 		  mikeh at gideon:pts/2:272 files 11Mb -> play snds/better08.wav
> 		  sox: Can't open output file '/dev/dsp': Permission denied
>
> SO:
>
>   o why is the link /dev/dsp so messed up?
>   o how I can change the config to correct this problem??
>
> -- mikeh