People, I have tested several multiseat solutions, for 6 months, there are one stable configuration for now (of course it not depending on your video board, you can use ati, sis...):
Take has an example: 4 Nvidias with 2 outputs (one VGA and one DVI or svga) 4 DVI to VGA adapter Use nvidia-xconfig to get your xorg.conf. For all your graphics cards, you MUST run just one X server, without xinerama, having for example, 8 screens, 2 n each PCI. So, after running, you got one stable X process controlling all of your PCIs. After that, you can start one Xephyr (a modern nested X server) on each of your X screen, remember that, you have 8 independent screen on your big X server, so let's start more 7 Xephyrs... to do this test, type on any console: on tty1: aptitude install xserver-xephyr DISPLAY=:0.1 Xephyr :1 & DISPLAY=:0.2 Xephyr :2 & ... DISPLAY=:0.7 Xephyr :7 & DISPLAY=:0.8 Xephyr :8 & Let's see what we have now, 8 X (Xephyrs) servers that's works exactly the same way of a normal X, waiting for a Window Manager! If this test works, you can do the next part of the idea. Now you can configure your gdm.conf to start that one first X server, not putting a login window on it, but instead you can setup your Xephyrs sessions and getting a login prompt on each of it. It's very nice, very stable, without "shifts right and wraps around" effects... And you can play Quake on each Xehpyr! :-D Configuring keyboards and mices it's another question... I think running more than one X on the same machine is the real issue (ins't stable yet), this ins't a "Ubuntu BUG". Think about it, if you start one X server for each PCI board, TILTS is going to happen, because you need to use some specific X options (aka isolateDevice thing) to get it work. I can see it's more beautiful to have each user with your own X but, ins't stable! And you lost 4 seats (with nvidias with dual output). Try the Ubuntu based distro called Userful (http://support.userful.com/wiki/index.php/How_To/Desktop_Multiplier_on_Ubuntu). It's like this setup that I was talking about. You can learn... Now if you *really* want to setup this solution on a enterprise environment, I suggest you to try Ubuntu with LTSP and thin-clients, it's MUCH more stable and less cost too. Best regards, Thiago -- (Multiseat) screen shifts when /dev/console written to https://bugs.launchpad.net/bugs/153425 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
