On my Xubuntu install, this error appeared at the first boot after removing FGLRX driver (apt-get purge fglrx*)
-- 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/1338492 Title: Xorg crashed with SIGABRT in OsAbort() Status in X.Org X server: New Status in xorg-server package in Ubuntu: Confirmed Bug description: At startup, my screen flashes in light green, and can't log to lightdm. Adding the ATI driver, it will install with a missing link... Erasing cyrillic path and 75 and 100 dpi path folders. At this time, can't find again the missing link, and just install missings fonts don't fix the bug.. ProblemType: Crash DistroRelease: Ubuntu 14.10 Package: xserver-xorg-core 2:1.15.1-0ubuntu8 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.15.0-6-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.14.4-0ubuntu1 Architecture: amd64 BootLog: * Setting up X socket directories... [128G [122G[ OK ] * Starting automatic crash report generation: apport [128G [122G[ OK ] 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: Mon Jul 7 10:44:49 2014 DistUpgraded: Fresh install DistroCodename: utopic DistroVariant: ubuntu ExecutablePath: /usr/bin/Xorg ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7660D] [1002:9901] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:8526] Advanced Micro Devices, Inc. [AMD/ATI] Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] [1002:6779] (prog-if 00 [VGA controller]) Subsystem: PC Partner Limited / Sapphire Technology Radeon HD 6450 1 GB DDR3 [174b:e164] InstallationDate: Installed on 2014-07-03 (3 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140520) MachineType: System manufacturer System Product Name ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch ProcEnviron: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic root=UUID=68f3fab7-5c4e-4d3a-9d6d-a493c47946db ro quiet splash Signal: 6 SourcePackage: xorg-server StacktraceTop: OsAbort () ?? () FatalError () ?? () __libc_start_main (main=0x7ffb7ec04db0, argc=11, argv=0x7fff4f6b2e88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff4f6b2e78) at libc-start.c:287 Title: Xorg crashed with SIGABRT in OsAbort() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: dmi.bios.date: 11/07/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 5401 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: F2A55 dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5401:bd11/07/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnF2A55:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer 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 10.2.2-1ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.2.2-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu8 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: Mon Jul 7 10:48:37 2014 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Eee PC WMI hotkeys KEYBOARD, id 8 input AT Translated Set 2 keyboard KEYBOARD, id 9 input ImPS/2 Logitech Wheel Mouse MOUSE, id 10 xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension. xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.15.1-0ubuntu8 xserver.video_driver: radeon To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1338492/+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