Seems related to nvidia driver. >From dmesg:
[ 4.854459] Bridge firewalling registered [ 5.046794] init: nvidia-prime main process (1507) terminated with status 127 [ 5.413350] systemd-logind[947]: Failed to start unit user@111.service: Unknown unit: user@111.service [ 5.413355] systemd-logind[947]: Failed to start user service: Unknown unit: user@111.service [ 5.416467] systemd-logind[947]: New session c1 of user lightdm. [ 5.416480] systemd-logind[947]: Linked /tmp/.X11-unix/X0 to /run/user/111/X11-display. reinstalling nvidia drivers do not make any difference What can I try? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1403127 Title: Kubuntu 14.10: after 12 Dec update X doesn't start Status in xorg package in Ubuntu: New Bug description: After the update of 12 December 2014 the x window system doesn't start anymore. The problem is an incorrect /etc/X11/xorg.conf file As a workaround, at every boot I have to do these commands: sudo rm /etc/X11/xorg.conf sudo startx Evironment: Kubuntu 14.10 64bit Laptop with nvidia card ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: xserver-xorg 1:7.7+7ubuntu2 ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1 Uname: Linux 3.16.0-28-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 CurrentDesktop: KDE Date: Tue Dec 16 17:09:08 2014 InstallationDate: Installed on 2014-11-24 (21 days ago) InstallationMedia: Kubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) ProcEnviron: LANGUAGE= TERM=xterm PATH=(custom, no user) LANG=it_IT.UTF-8 SHELL=/bin/bash SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1403127/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
