On Tue, 23.09.08 15:50, Les Mikesell (lesmikesell@xxxxxxxxx) wrote: >>>>> As far as I know we again allow multiple simultaneous X logins by the >>>>> same user. >>>> If we do, it's broken. >>> Why shouldn't I be able to do as many xdm logins as I want as the same >>> user? This isn't an X issue. >> Because many apps don't distuingish state from configuration cleanly. > > So you'd cripple the system because there are some bad apps? Oh my, Lennart cripples computers. I should be banned. Just like DRM! >> For example: you configure your gnome panel to include a clock >> applet. Then you open another session and add a network monitor applet >> to it. What do you expect from this? That both panels will always stay >> perfectly in sync and the network monitor applet is transparently >> added to the first session as well? When you log out from both, what >> happens when you log in again, do you get the panel layout from the >> first session or from the second session? > > How is this different than running 2 instances of vi? If you edit the same > file at the same time you'll have a conflict. That doesn't mean you should > cripple the system to the point where it can't run 2 instances of > vi. vi has static config files. They are only read on vi's startup. OTOH GNOME usually does instant-apply. I.e. what you configure is immediately executed and saved for later. You did not respond to my question what you'd think the proper behaviour would be for gnome-panel. I'll take that as an acknowledgment that you understand that the problem exists. >> The question is: is it worth bothering at all with questions like the >> panel question above? Since the feature is redundant we might simply >> say: forget it, let's disable multiple logins and the problem is >> gone. > > Windows terminal services has gotten this more or less right since at least > windows 2000 server that included 2 licenses for administrative use. If > they can do it with an interface that wasn't designed to be remote or > multiuser, it can't be that hard. Are you sure you can log in twice on Win2k as exactly the same user id? > But, if it can't be done right, the WM should enforce it and give you a > choice of killing the old session when you attempt a new login instead of > just letting random things fail. Nah, if at all that's the job of the dm or the sm, not the wm. Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net ICQ# 11060553 http://0pointer.net/lennart/ GnuPG 0x1A015CC4 -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list