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
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https://bugs.launchpad.net/bugs/1165723
Title:
After connecting/disconnecting second monitor displays are blinking
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