OK, I found out that apparently gsynaptics is overwriting some xorg.conf values, if installed. After I removed gsynaptics, everything works normally now.
** Also affects: gsynaptics (Ubuntu) Importance: Undecided Status: New -- synaptics driver disregards some xorg.conf settings https://bugs.launchpad.net/bugs/160624 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs