As expected xrandr crashes X too. I've seen what looks like a bunch of these messages before login screen appeared:
[drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0) -- 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/1512672 Title: Xorg crash Status in xorg package in Ubuntu: New Bug description: When I put my primary display under secondary using System Settings / Display and press Apply, X crashes and I see the login screen. Result is the same if I use xrandr directly. ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: xorg 1:7.7+7ubuntu4 ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3 Uname: Linux 4.2.0-16-generic x86_64 NonfreeKernelModules: nvidia wl .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 352.41 Fri Aug 21 23:09:52 PDT 2015 GCC version: gcc version 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2) ApportVersion: 2.19.1-0ubuntu4 Architecture: amd64 Date: Tue Nov 3 14:32:21 2015 DistUpgraded: Fresh install DistroCodename: wily DistroVariant: ubuntu DkmsStatus: bbswitch, 0.7, 4.2.0-16-generic, x86_64: installed bcmwl, 6.30.223.248+bdcom, 4.2.0-16-generic, x86_64: installed nvidia-352-updates, 352.41, 4.2.0-16-generic, x86_64: installed DpkgLog: GraphicsCard: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:16cd] Subsystem: ASUSTeK Computer Inc. Device [1043:16cd] InstallationDate: Installed on 2015-10-27 (6 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: ASUSTeK COMPUTER INC. X555LN ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-16-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg crash UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/14/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: X555LN.309 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X555LN dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX555LN.309:bd08/14/2014:svnASUSTeKCOMPUTERINC.:pnX555LN:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX555LN:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: X555LN dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.64-1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4 version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3 xserver.bootTime: Tue Nov 3 14:31:56 2015 xserver.configfile: /etc/X11/xorg.conf xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.17.2-1ubuntu9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1512672/+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
