device /dev/dsp can't be opened. (Permission denied)

Bob Chiodini rchiodin at bellsouth.net
Fri Jul 22 16:46:06 UTC 2005


On Fri, 2005-07-22 at 12:35 -0400, William Case wrote:
> Hi;
> 
> I am having the same type problem.
> 
> On Fri, 2005-07-22 at 12:00 -0400, fedora-list-request at redhat.com wrote:
> 
> > well, as the message sais it's a problem of permisions
> > you need to chmod 666 /dev/dsp and chmod 666 /dev/mixer
> > 
> 
> Every time I make the above changes, something changes it back as soon
> as I log out and in again.
> 
> Bugzilla suggests changes to asound.conf 
> 
> pcm.!default { type hw card 0 }
> ctl.!default { type hw card 0 }
> 
> And it keeps getting changed back, even when I don't use system-config-sound
> 
> I have searched for the controlling file or program and can't find out
> why this is happening.
> 
> > On 7/22/05, Joe(theWordy)Philbrook <jtwdyp at ttlc.net> wrote:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > > 
> [snip]
> > > Well for weeks the generic account stopped getting the error
> > message,
> > > but still didn't get any sound output to my speakers.
> > > 
> > > Lately, I've again started to get the /dev/dsp error pop up message.
> > > 
> > > 
> > > What I'd like to know is how to specify to the "kernel and/or gui
> > > processes which user account or accounts should have the needed
> > > permissions to get a working sound server on startx.
> > > 
> > > clues welcome...
> 

Could something have happened to /etc/udev/permissions.d/50-
udev.permissions?

My entries for sound are (FC3):

# audio devices
dsp*:root:root:0660
audio*:root:root:0660
midi*:root:root:0660
mixer*:root:root:0660
sequencer*:root:root:0660
sound/*:root:root:0660
snd/*:root:root:0660
beep:root:root:0660
admm*:root:root:0660
adsp*:root:root:0660
aload*:root:root:0660
amidi*:root:root:0660
dmfm*:root:root:0660
dmmidi*:root:root:0660
sndstat:root:root:0660

Bob...




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