Hallo,
Alberto Monteiro hat gesagt: // Alberto Monteiro wrote:
> Frank Barknecht wrote:
> >
> >>> Also make sure your user account is member of the group "audio" (check
> >>> with "groups").
> >>
> >> Uh?
> >
> > "groups" is a command you can use in a terminal to check which groups
> > you belong to. There are some more funny commands in Linux, like "id"
> > or "whoami" ("Who am I"), which are invaluable tools if you're logged
> > in to many machines all over the net at the same time like I often am. ;)
> >
> This is not my case. albmont is not in the audio group. Should this
> be a problem?
Many distributions allow only members of group audio access to the
audio devices. But you could just make yourself a member with some of
your distribtions management tools like "adduser" or "useradd" (or
even just editing "/etc/group" by hand and adding your username
manually, but better use your dist's tools)
> >
> > Could you also try to play something with "aplay" or any other native
> > ALSA software?
> >
> aplay doesn't work either. Usually it gives an error message,
> like "aplay: main:503: audio open error: Permission denied"
This reeks of permission errors on the audio devices. Could you
recreate the devices with the snddevices script from the ALSA
distribution? You could also try a "chmod -v o+rw /dev/snd/*" to make
them world read- and writeable, which in general is not so
recommended, though. Better have them owned by root.audio "chown
root.audio /dev/snd/*" and mode 660: "chmod 660 /dev/snd/* /dev/dsp*
..." so that only members of group audio are allowed to use them.
> > It might be, that only OSS programs fail. The ALSA-OSS
> > modules are loaded, right?
> >
> I think they are. How can I check?
If aplay doesn'T work also, it's not an error with OSS-emulation, but
"lsmod | grep oss" should show them like:
$ /sbin/lsmod | grep oss
snd-seq-oss 29600 0 (unused)
snd-pcm-oss 38436 0
snd-mixer-oss 13304 0 [snd-pcm-oss]
snd-seq-midi-event 3552 0 [snd-seq-midi snd-seq-oss snd-seq-virmidi]
snd-seq 38352 2 [snd-emux-synth snd-seq-midi-emul snd-seq-midi
snd-seq-oss snd-seq-virmidi snd-seq-midi-event]
snd-pcm 61156 0 [snd-pcm-oss snd-emu10k1 snd-ice1712]
snd-seq-device 4208 0 [snd-emu10k1-synth snd-emux-synth snd-seq-midi
snd-seq-oss snd-seq snd-emu10k1 snd-rawmidi]
snd 31012 0 [snd-emux-synth snd-seq-midi snd-seq-oss snd-pcm-oss
snd-mixer-oss snd-virmidi snd-seq-virmidi snd-seq-midi-event snd-seq snd-emu10k1
snd-hwdep snd-util-mem snd-ice1712 snd-pcm snd-timer snd-ac97-codec snd-cs8427 snd-i2c
snd-mpu401-uart snd-rawmidi snd-seq-device snd-ak4xxx-adda]
(You probably don't have the same cards as I do)
ciao
--
Frank Barknecht _ ______footils.org__
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