I'd like to share a 3 hours hint success here, because I used the keywords "ubuntu logout bug" and went through here during my search, athough this is a different issue.
My answer was here: ".Xauthority sometimes owned by root, which blocks login" https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/871667/comments/30 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to unity-greeter in Ubuntu. https://bugs.launchpad.net/bugs/969589 Title: unity-greeter continually crashing and restarting Status in “unity-greeter” package in Ubuntu: Fix Released Bug description: Mar 31 07:45:58 eeepc kernel: [44854.125767] unity-greeter[20806]: segfault at 0 ip 080509ce sp bf877090 error 4 in unity-greeter[8048000+2b000] Mar 31 07:45:58 eeepc kernel: [44854.694043] composite sync not supported Mar 31 07:45:59 eeepc kernel: [44855.162691] composite sync not supported Mar 31 07:46:00 eeepc kernel: [44856.666181] composite sync not supported Mar 31 07:46:01 eeepc kernel: [44857.812117] composite sync not supported Mar 31 07:46:04 eeepc kernel: [44860.492411] unity-greeter[20933]: segfault at 0 ip 080509ce sp bfc4c8d0 error 4 in unity-greeter[8048000+2b000] -------------- Happened just after latest update/upgrade ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xorg 1:7.6+12ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12 Uname: Linux 3.2.0-20-generic i686 .tmp.unity.support.test.0: .tmp.unity.support.test.1: ApportVersion: 2.0-0ubuntu1 Architecture: i386 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None Date: Sat Mar 31 07:47:27 2012 DistUpgraded: 2012-03-27 21:09:38,596 DEBUG enabling apt cron job DistroCodename: precise DistroVariant: ubuntu ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901) MachineType: ASUSTeK Computer INC. 1000HD ProcEnviron: LANGUAGE=en_AU:en TERM=xterm LANG=en_AU.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-20-generic root=UUID=3a32f068-f4ff-410b-a262-c287b0caffd9 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg crash UpgradeStatus: Upgraded to precise on 2012-03-27 (3 days ago) dmi.bios.date: 07/11/2008 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0601 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: 1000HD dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: x.xx dmi.chassis.asset.tag: 0x00000000 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTek Computer INC. dmi.chassis.version: x.x dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0601:bd07/11/2008:svnASUSTeKComputerINC.:pn1000HD:pvrx.x:rvnASUSTeKComputerINC.:rn1000HD:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x: dmi.product.name: 1000HD dmi.product.version: x.x dmi.sys.vendor: ASUSTeK Computer INC. version.compiz: compiz 1:0.9.7.2-0ubuntu4 version.libdrm2: libdrm2 2.4.32-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu8 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/969589/+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
