Multiply X users: ownership conflicts of sound devices

[Paulo Cavalcanti]

> I tried to change the permissions of some of the sound devices
> to "rw-rw-rw", but either that doesn't work or I forgot a device
> (which devices are relevant here?).

> Can somebody give me some clues what to do in this case?

Hi,

How to add the audio group in Fedora 6.

1) Change /etc/security/console.perms.d/50-default.perms
# <console>  0600 <sound>      0600 root
<console>  0660 <sound>      0660 root.audio

2) Create a file /etc/udev/rules.d/52-sound.rules with the following
contents:
# audio devices
KERNEL=="dsp*",                 GROUP="audio", Mode="0660"
KERNEL=="audio*",               GROUP="audio", Mode="0660"
KERNEL=="midi*",                GROUP="audio", Mode="0660"
KERNEL=="mixer*",               GROUP="audio", Mode="0660"
KERNEL=="sequencer*",           GROUP="audio", Mode="0660"
KERNEL=="sound/*",              GROUP="audio", Mode="0660"
KERNEL=="snd/*",                GROUP="audio", Mode="0660"
KERNEL=="beep",                 GROUP="audio", Mode="0660"
KERNEL=="admm*",                GROUP="audio", Mode="0660"
KERNEL=="adsp*",                GROUP="audio", Mode="0660"
KERNEL=="aload*",               GROUP="audio", Mode="0660"
KERNEL=="amidi*",               GROUP="audio", Mode="0660"
KERNEL=="dmfm*",                GROUP="audio", Mode="0660"
KERNEL=="dmmidi*",              GROUP="audio", Mode="0660"
KERNEL=="sndstat",              GROUP="audio", Mode="0660"

3) Create a group "audio" and add all users allowed to access
the audio devices.

-- 
Paulo Roma Cavalcanti
LCG - UFRJ
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