SOLVED: Fedora 6 - Dell Dimension 8300 - Creative Audigy sound card. Multiuser trouble..

[Victor Lowther]

On 11/12/06, Harald_Jensas at dell.com <Harald_Jensas at dell.com> wrote:
>
> ________________________________
>
> From: Victor Lowther [mailto:victor.lowther at gmail.com]
> Sent: Sat 11/11/2006 8:25 PM
> To: Jensas, Harald
> Subject: Re: Fedora 6 - Dell Dimension 8300 - Creative Audigy sound card.
> Multiuser trouble..
>
>
> On 11/11/06, Harald_Jensas at dell.com <Harald_Jensas at dell.com> wrote:
>
>         Hi,
>
>         I have been running FC 6 for a couple of weeks now and I am quite
> happy with it.
>         However, there is an issue that I can't get fixed..
>
>         I have set up 2 user accounts on the system, and the problem is
> that only the first user to start a KDE or Gnome session is able to play
> sound. I also noticed that this is not the case for root.
>
>         I figured this must be some kind of permissions in the /dev
> folder.
>         I had a look and noticed that several device nodes are created for
> sound, and all of them get the following permissions:
>
>         crw------- username root audio
>
>
> pam_console is what reassigns ownership of those nodes in FC6 -- it does
> so whenever a user logs in via login on a console TTY or a local (g|x|k)dm
> process.
>
> man pam_console should give you more info, and the file
> /etc/security/console.perms will show you te default permissions applied to
> devices whose permissions are controlled by pam_console.
>
> (this is all from memory dealing with older versions of fedora, gentoo,
> and Ubuntu, but should give you a place to start)
>
>
> Victor Lowther
>
>
>
>
> ________________________________
>
> Thanks Victor, this was it!
>
> After changing pam_console settings like this:
> [root at c-15b1e055 ~]# cat /etc/security/console.perms.d/50-default.perms
> <edited>
> # permission definitions
> <console>  0660 <sound>      0660 root.audio
> <edited>
>
> The device nodes get the following permissions/group settings:
> [root at c-15b1e055 ~]# ls -l /dev/ | grep audio
> crw-rw---- 1 root   audio  14,   14 Nov 12 09:12 admmidi
> crw-rw---- 1 harald audio  14,   12 Nov 12 09:12 adsp
> crw-rw---- 1 root   audio  14,   13 Nov 12 09:12 amidi
> crw-rw---- 1 harald audio  14,    4 Nov 12 09:12 audio
> crw-rw---- 1 root   audio  14,    9 Nov 12 09:12 dmmidi
> crw-rw---- 1 harald audio  14,    3 Nov 12 09:12 dsp
> crw-rw---- 1 harald audio  14,    2 Nov 12 09:12 midi
> crw-rw---- 1 harald audio  14,    0 Nov 12 09:12 mixer
> crw-rw---- 1 harald audio  14,    1 Nov 12 09:12 sequencer
> crw-rw---- 1 harald audio  14,    8 Nov 12 09:12 sequencer2
>
>
> And I am able to open a new session, log in with a different user and
> still be able to play sounds.


No problemo.


Mvh/Regards
> Harald Jensås
>
>
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