canonical approach to shared sound?

[Patrick O'Callaghan]

On Tue, 2008-04-15 at 08:10 -0400, Matthew Miller wrote:
> I do the not-so-rare "trick" of having two X sessions running, allowing
> ctrl-alt-f7 / ctrl-alt-f8 to be a very painless fast-user-switch.
> 
> In order for this to work, I want more lax permissions on the sound devices.
> (All members of group "sndshare" get access.) Previously, this was
> accomplished by changing the settings for the <sound> device class in a file
> in /etc/security/console.perms.
> 
> That device class no longer exists in that file. I assume this is because
> there is some new special modern udev way of accomplishing the same goal.
> But, since all of the udev .rules files contain the line "# do not edit this
> file, it will be overwritten on update", I'm not quite sure where is proper.
> 
> Plus, the 40-alsa-rules doesn't seem to be quite comprehensive -- some of
> the devices must be created via defaults somewhere else.
> 
> So, what's the Right Thing To Do? (I'm using F9beta but I think the same
> thing applies to F8, which I skipped.)

AFAIK this should Just Work. ConsoleKit is designed to do this without
hassle, so your best bet may be to back out any changes you've made.
I've used it successfully on F8. You can't play sound on two consoles at
the same time, but they can alternate, which seems reasonable.

poc