Xorg.0.log.old also says after normal boot DRM interface 1.3 is used, while before it crashes it says DRM interface 1.0. And then:
[drm] Could not set DRM device bus ID. which prevents DRI from being enabled. -- After logout first login breaks X, second works (kdm) https://bugs.launchpad.net/bugs/306010 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