Since I reinstalled Ubuntu 18.04, I do not have this problem anymore. I believe that a bug still lay hidden somewhere but the conditions to activate it is gone.
-- 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/1773875 Title: Xorg crashed with SIGABRT in OsAbort() from AbortServer() from FatalError("xf86OpenConsole: Switching VT failed\n") from xf86OpenConsole() from InitOutput() Status in xorg-server package in Ubuntu: Confirmed Bug description: https://errors.ubuntu.com/problem/0a37e4ff57dad48b3e256cd80fdf6a65548a15f3 --- Related to https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1773665 Whenever as root in a terminal, I start 'gvim', the whole windows system crashes and the user find himself on the gdm login screen. Windowing session has been lost. It only occurs with gvim. I tried xterm, terminator and gthumb as root and these graphical application do not cause the crash. Ubuntu 18.04 Bionic Beaver, all packages up to date as of 2018-05-27 11:26:45 EDT. ProblemType: Crash DistroRelease: Ubuntu 18.04 Package: xserver-xorg-core 2:1.19.6-1ubuntu4 ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17 Uname: Linux 4.15.0-22-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CrashCounter: 1 CurrentDesktop: GNOME-Greeter:GNOME Date: Mon May 28 21:33:44 2018 DistUpgraded: 2018-05-19 15:19:21,340 ERROR got error from PostInstallScript ./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process "./xorg_fix_proprietary.py" (No such file or directory) (8)) DistroCodename: bionic DistroVariant: ubuntu DkmsStatus: anbox-modules-ashmem, 9~xenial1, 4.15.0-20-generic, x86_64: installed anbox-modules-ashmem, 9~xenial1, 4.15.0-22-generic, x86_64: installed ExecutablePath: /usr/lib/xorg/Xorg ExecutableTimestamp: 1523633505 GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company 3rd Gen Core processor Graphics Controller [103c:18df] InstallationDate: Installed on 2016-05-22 (736 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MachineType: Hewlett-Packard HP EliteBook Folio 9470m ProcCmdline: /usr/lib/xorg/Xorg vt1 -displayfd 3 -auth /run/user/103/gdm/Xauthority -background none -noreset -keeptty -verbose 7 -core ProcCwd: /var/lib/gdm3 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-22-generic root=UUID=7ea7dcf2-f245-43a2-807a-8b662df596bb ro quiet splash vt.handoff=1 Signal: 6 SourcePackage: xorg-server StacktraceTop: OsAbort () ?? () FatalError () xf86OpenConsole () InitOutput () Title: Xorg crashed with SIGABRT in OsAbort() UpgradeStatus: Upgraded to bionic on 2018-05-19 (9 days ago) UserGroups: dmi.bios.date: 07/16/2013 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68IBD Ver. F.46 dmi.board.name: 18DF dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 62.17 dmi.chassis.asset.tag: CNU317CDD9 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68IBDVer.F.46:bd07/16/2013:svnHewlett-Packard:pnHPEliteBookFolio9470m:pvrA1029C1102:rvnHewlett-Packard:rn18DF:rvrKBCVersion62.17:cvnHewlett-Packard:ct10:cvr: dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=ELI dmi.product.name: HP EliteBook Folio 9470m dmi.product.version: A1029C1102 dmi.sys.vendor: Hewlett-Packard version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1 version.libdrm2: libdrm2 2.4.91-2 version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Sat May 19 11:48:41 2018 xserver.configfile: default xserver.errors: Failed to load module "nvidia" (module does not exist, 0) xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 12606 vendor AUO xserver.version: 2:1.18.4-0ubuntu0.7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1773875/+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