Purging the closed-source drivers and using the open source ones solved it (after resetting Compiz and Unity settings)
-- 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/1335626 Title: Xorg crashed with SIGABRT Status in “xorg-server” package in Ubuntu: New Bug description: Laptop suddenly reboots when leaving it alone. ProblemType: Crash DistroRelease: Ubuntu 14.10 Package: xserver-xorg-core 2:1.15.1-0ubuntu6 ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0 Uname: Linux 3.15.0-6-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.14.3-0ubuntu2 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CrashCounter: 1 Date: Sun Jun 29 15:36:33 2014 DistUpgraded: 2014-05-12 23:28:35,924 DEBUG enabling apt cron job DistroCodename: utopic DistroVariant: ubuntu ExecutablePath: /usr/bin/Xorg ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Park [Mobility Radeon HD 5430/5450/5470] [1002:68e0] (prog-if 00 [VGA controller]) Subsystem: Sony Corporation Device [104d:9071] InstallationDate: Installed on 2012-02-02 (877 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) Lsusb: Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0c45:6409 Microdia Webcam Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Sony Corporation VPCEB2E1E ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -mir x-1 -mirSocket /run/mir_socket -nolisten tcp ProcEnviron: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.15.0-6-generic root=UUID=575944b7-2e98-4fb9-82b9-8a46729cc3bf ro quiet splash vt.handoff=7 Signal: 6 SourcePackage: xorg-server StacktraceTop: ?? () from /usr/lib/xorg/modules/libexa.so ?? () from /usr/lib/xorg/modules/libexa.so ?? () from /usr/lib/xorg/modules/libexa.so ?? () from /usr/lib/xorg/modules/libexa.so ?? () from /usr/lib/xorg/modules/libexa.so Title: Xorg crashed with SIGABRT UpgradeStatus: Upgraded to utopic on 2014-05-12 (47 days ago) UserGroups: dmi.bios.date: 07/20/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: R0300Y8 dmi.board.asset.tag: N/A dmi.board.name: VAIO dmi.board.vendor: Sony Corporation dmi.board.version: N/A dmi.chassis.asset.tag: N/A dmi.chassis.type: 10 dmi.chassis.vendor: Sony Corporation dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR0300Y8:bd07/20/2010:svnSonyCorporation:pnVPCEB2E1E:pvrC605LR4L:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A: dmi.product.name: VPCEB2E1E dmi.product.version: C605LR4L dmi.sys.vendor: Sony Corporation version.compiz: compiz 1:0.9.11+14.10.20140606-0ubuntu2 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.54-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.2.1-2ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.2.1-2ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu6 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu4 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 xserver.bootTime: Sun Jun 29 15:37:07 2014 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: Output HDMI-0 VGA-0 xserver.version: 2:1.15.1-0ubuntu6 xserver.video_driver: radeon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1335626/+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