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I have been using my Lenovo X1 Carbon with Ubuntu since 13.04. I am
currently running 13.10 with standard linux kernel packages. The problem
I am having is occasionally get a lot of flickering black lines on the
screen. It also happens if I have  an external monitor connected to the
computer.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: xorg 1:7.7+1ubuntu6
ProcVersionSignature: Ubuntu 3.11.0-17.31-generic 3.11.10.3
Uname: Linux 3.11.0-17-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
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 Mar  2 17:31:08 2014
DistUpgraded: 2013-10-18 15:22:26,737 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
DkmsStatus: vboxhost, 4.3.8, 3.11.0-17-generic, x86_64: installed
DpkgLog:

ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:21f9]
InstallationDate: Installed on 2013-04-20 (315 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: LENOVO 346082G
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-17-generic root=UUID=f23ed118-0200-494e-ad7d-80e9242da1c1 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to saucy on 2013-10-18 (135 days ago)
XorgConf:
 Section "Device"
     Identifier "Card0"
     Driver "intel"
     Option "AccelMethod" "sna"
 EndSection
dmi.bios.date: 04/29/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: G6ET96WW (2.56 )
dmi.board.asset.tag: Not Available
dmi.board.name: 346082G
dmi.board.vendor: LENOVO
dmi.board.version: Win8 Pro MBR 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:bvrG6ET96WW(2.56):bd04/29/2013:svnLENOVO:pn346082G:pvrThinkPadX1Carbon:rvnLENOVO:rn346082G:rvrWin8ProMBRTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 346082G
dmi.product.version: ThinkPad X1 Carbon
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
version.ia32-libs: ia32-libs N/A
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: Sun Mar  2 17:14:35 2014
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                 898
 vendor                                     LGD
xserver.version: 2:1.14.5-1ubuntu2~saucy1
--- 
.tmp.unity.support.test.0:
 
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
DistUpgraded: 2013-10-18 15:22:26,737 DEBUG enabling apt cron job
DistroCodename: saucy
DistroRelease: Ubuntu 13.10
DistroVariant: ubuntu
DkmsStatus: vboxhost, 4.3.8, 3.11.0-17-generic, x86_64: 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:21f9]
InstallationDate: Installed on 2013-04-20 (319 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: LENOVO 346082G
MarkForUpload: True
Package: xorg 1:7.7+1ubuntu6
PackageArchitecture: amd64
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-17-generic root=UUID=f23ed118-0200-494e-ad7d-80e9242da1c1 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.11.0-17.31-generic 3.11.10.3
Tags: saucy third-party-packages ubuntu compiz-0.9
Uname: Linux 3.11.0-17-generic x86_64
UpgradeStatus: Upgraded to saucy on 2013-10-18 (138 days ago)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo vboxusers
XorgConf:
 Section "Device"
     Identifier "Card0"
     Driver "intel"
     Option "AccelMethod" "sna"
 EndSection
dmi.bios.date: 02/19/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: G6ETA3WW (2.63 )
dmi.board.asset.tag: Not Available
dmi.board.name: 346082G
dmi.board.vendor: LENOVO
dmi.board.version: Win8 Pro MBR 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:bvrG6ETA3WW(2.63):bd02/19/2014:svnLENOVO:pn346082G:pvrThinkPadX1Carbon:rvnLENOVO:rn346082G:rvrWin8ProMBRTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 346082G
dmi.product.version: ThinkPad X1 Carbon
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.49-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.0-1ubuntu2
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 2:2.99.907-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Wed Mar  5 21:40:08 2014
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                 898 
 vendor                                     LGD
xserver.version: 2:1.14.5-1ubuntu2~saucy1

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Incomplete


** Tags: amd64 apport-bug apport-collected bios-outdated-2.69 compiz-0.9 saucy third-party-packages ubuntu
-- 
8086:0166 [Lenovo ThinkPad X1 Carbon] Ubuntu HD 4000 drivers occasional flickering
https://bugs.launchpad.net/bugs/1286842
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