Public bug reported: After connecting/disconnecting second monitor displays start blinking when something changes on screen.
$ lsb_release -rd Description: Ubuntu Raring Ringtail (development branch) Release: 13.04 $ apt-cache policy xorg xorg: Installed: 1:7.7+1ubuntu4 Candidate: 1:7.7+1ubuntu4 Version table: *** 1:7.7+1ubuntu4 0 500 http://us.archive.ubuntu.com/ubuntu/ raring/main i386 Packages 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: xorg 1:7.7+1ubuntu4 ProcVersionSignature: Ubuntu 3.8.0-16.26-generic 3.8.5 Uname: Linux 3.8.0-16-generic i686 .tmp.unity.support.test.0: ApportVersion: 2.9.2-0ubuntu5 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: Sun Apr 7 14:03:19 2013 DistUpgraded: 2013-04-05 16:52:01,202 DEBUG enabling apt cron job DistroCodename: raring DistroVariant: ubuntu DkmsStatus: vboxhost, 4.2.10, 3.8.0-16-generic, i686: installed ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:21fa] InstallationDate: Installed on 2012-11-27 (131 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2) MachineType: LENOVO 2306CTO MarkForUpload: True ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-16-generic root=UUID=5257adbd-5671-40b9-b4d1-2648983e2c96 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to raring on 2013-04-05 (1 days ago) dmi.bios.date: 09/11/2012 dmi.bios.vendor: LENOVO dmi.bios.version: G2ET82WW (2.02 ) dmi.board.asset.tag: Not Available dmi.board.name: 2306CTO dmi.board.vendor: LENOVO dmi.board.version: Win8 STD DPK TPG dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrG2ET82WW(2.02):bd09/11/2012:svnLENOVO:pn2306CTO:pvrThinkPadX230:rvnLENOVO:rn2306CTO:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2306CTO dmi.product.version: ThinkPad X230 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.9~daily13.04.05-0ubuntu1 version.libdrm2: libdrm2 2.4.43-0ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.3-0ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.3-0ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.5-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1 xserver.bootTime: Sun Apr 7 14:02:42 2013 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.13.3-0ubuntu4 xserver.video_driver: intel ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug compiz-0.9 i386 raring ubuntu ** Attachment added: "Video" https://bugs.launchpad.net/bugs/1165723/+attachment/3628126/+files/VID_20130407_140504.mp4 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1165723 Title: After connecting/disconnecting second monitor displays are blinking To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1165723/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp