And there is no messages in terminal too, just it: ERROR:
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1341037 Title: Xorg crashed with SIGABRT in OsAbort() Status in “xorg-server” package in Ubuntu: New Bug description: Trying to switch between Intel to Nvidia graphics with that option in Nvidia Settings, using an Optimus Nvidia hardware. When I logout, I got a black screen, and restart the system with Ctrl+Alt+Del. Nvidia GeForce GT 740M nvidia-331-updates (331.38) nvidia-prime 0.6.2 ProblemType: Crash DistroRelease: Ubuntu 14.04 Package: xserver-xorg-core 2:1.15.1-0ubuntu2 Uname: Linux 3.14.12-031412-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 Date: Fri Jul 11 22:24:00 2014 ExecutablePath: /usr/bin/Xorg InstallationDate: Installed on 2014-05-26 (46 days ago) InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2) ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch ProcEnviron: Signal: 6 SourcePackage: xorg-server StacktraceTop: OsAbort () ?? () FatalError () ?? () __libc_start_main (main=0x7f0ac91efe50, argc=11, argv=0x7fff6f88ddc8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6f88ddb8) at libc-start.c:287 Title: Xorg crashed with SIGABRT in OsAbort() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1341037/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp