Uhoh, I spotted this in your logs: [ 2699.988016] mce: [Hardware Error]: Machine check events logged
These are usually hardware errors and they may be able to cause instantaneous reboots. Install the mcelog package, if it isn't already, and details should be logged to /var/log/mcelog Thanks ** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1291134 Title: Opened X Diagnostic Settings Status in “xorg” package in Ubuntu: New Bug description: Opened X Diagnostic Settings and this arrived through this had just left System Settings. I hope this helps. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: xorg 1:7.7+1ubuntu6 ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4 Uname: Linux 3.11.0-18-generic i686 .tmp.unity.support.test.0: ApportVersion: 2.12.5-0ubuntu2.2 Architecture: i386 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Wed Mar 12 01:29:49 2014 DistUpgraded: 2014-03-11 20:18:39,898 DEBUG enabling apt cron job DistroCodename: saucy DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev 02) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:817a] InstallationDate: Installed on 2014-03-11 (0 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424) MachineType: System manufacturer System Product Name MarkForUpload: True ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-18-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to saucy on 2014-03-11 (0 days ago) dmi.bios.date: 10/29/2008 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0407 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P5GC-MX/1333 dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev x.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: ASUSTek Computer INC. dmi.chassis.version: Rev 1.xx dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0407:bd10/29/2008:svnSystemmanufacturer:pnSystemProductName:pvrRev1.xx:rvnASUSTeKComputerINC.:rnP5GC-MX/1333:rvrRevx.xx:cvnASUSTekComputerINC.:ct3:cvrRev1.xx: dmi.product.name: System Product Name dmi.product.version: Rev 1.xx dmi.sys.vendor: System manufacturer version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.libdrm2: libdrm2 2.4.46-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2~saucy1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2.1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1 xserver.bootTime: Tue Mar 11 21:34:37 2014 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.14.5-1ubuntu2~saucy1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1291134/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
