CurrentDmesg.txt shows a segfault in unity_support_t. May or may not be caused by the VirtualBox Guest Additions, and if so most likely by the 3D support.
The bit DkmsStatus: vboxguest, 4.1.2, 3.0.0-10-generic, i686: installed virtualbox-guest, 4.1.2, 3.0.0-10-generic, i686: installed (WARNING! Diff between built and installed module!) (WARNING! Diff between built and installed module!) (WARNING! Diff between built and installed module!) in the bug report upsets me slightly - might you have two simultaneous installations of the Guest Additions, or can you think what might be causing it? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/846623 Title: kde doesn't complete login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox-ose/+bug/846623/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs