Well actually my problem was caused by DRI "on" in xorg.conf, and DRI does not work on multiple X sessions....
-- FFe: Xv and EXA not supported on R6xx/R7xx chipsets https://bugs.launchpad.net/bugs/334101 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
