Re: concurrent X users and gnome-volume-manager
On Fri, Dec 17, 2004 at 08:28:05PM -0600, Marcelo E. Magallon wrote:
> On Sat, Dec 18, 2004 at 07:03:22AM +1100, Graham Williams wrote:
>
> > At any time on one machine (home machines running Debian unstable) I
> > allow multiple users to have their X sessions running concurrently
> > (e.g., on tty7, tty8, etc). I've not yet figured out how to get
> > gnome-volume-manager working happily in this situation.
>
> My initial reaction is "sorry, you loose".
>
> You are in a situation where g-v-m just won't work. By automatically
> mounting a device the first user that mounts the device "owns" it,
> i.e. only this user and root can unmount this device (it's what the
> "user" option does)
>
> I can't imagine a sane way to deal with this. There's no "current"
> desktop really. It's just two processes cooperating. The X server
> "knows" which desktop is active because it arbitrates access to
> hardware and it cooperates with the other X server accessing the
> hardware.
What about setting the thing up so that all users are part of a common group,
and g-v-m mounting the device as this group ?
> You could signal g-v-m to go and "sleep" when the desktop changes, but
> I'm not aware of a mechanism for the X server to inform applications of
> something like this. This still leaves you with the other problem:
> user A mounts and user B wants to unmount it.
I guess it is just that nobody really tried to do something like that yet, and
thus g-v-m was not designed with this in mind, hopefully this bug will be
fixed in the future.
Friendly,
Sven Luther
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