No stack traces are present in any of your X logs. Are you sure it's X crashing and not something else? Do you have an encrypted hard drive? There are some messages in your dmesg output relating to that.
If you're certain it's an X crash, you'll want to collect a full backtrace - see http://wiki.ubuntu.com/X/Backtracing for guidance. ** Changed in: xorg-server (Ubuntu) Status: Confirmed => Invalid -- Xorg crashes shortly after login screen https://bugs.launchpad.net/bugs/542702 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