[kde-linux] udev doesn't create device (no sound)

[Jim Philips]

On Thursday 28 July 2005 01:17 am, Jessica Hall wrote:
> On Wed, 27 Jul 2005 17:50, Jim Philips wrote:
> > I'm running Slackware current with KDE 3.4.1. I can't start artsd,
> > because when I try, I get this error:
> >
> > Error while initializing the sound driver:
> > device /dev/dsp can't be opened (No such file or directory)
> >
> > The rules for udev appear to have a rule for creating the device here:
> >
> > KERNEL="dsp",                   NAME="sound/%k", SYMLINK="%k",
> > GROUP="audio", MODE="0662"
> >
> > But nothing id getting created at all, so I have no sound devices and
> > therefore no sound. Is there any help on dealing with this? I googled all
> > over the place and came up with a hodgepodge of answers that don't relate
> > to ny system at all.
>
> Slackware current uses ALSA and unless you're loaded the OSS emulation
> drivers you wont get a /dev/dsp at all. It's far better to tell KDE to use
> ALSA instead - go to Kcontrol -> Sound & Multimedia -> Sound System and
> change the audio device on the 'Hardware' tab to read 'ALSA'

That definitely makes the messages about /dev/dsp go away. Then I get this:

device: default can't be opened for playback (no such file or directory)

And if I run alsamixer, I get:

alsamixer: function snd_ctl_open failed for default: No such file or directory