Public bug reported: I have the Dell E6510 laptop with the following Intel VGA: "Core Processor Integrated Graphics Controller [8086:0046] (rev 02)". The laptop sits docked in the docking station. An external 1920x1200 monitor is connected via the docking station's DisplayPort. I have configured the laptop's display (eDP1) to be disabled while docked, as shown in xrandr:
$ xrandr Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 8192 x 8192 eDP1 connected (normal left inverted right x axis y axis) 1600x900 60.0 + 40.0 1440x900 59.9 1360x768 59.8 60.0 1152x864 60.0 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) HDMI2 disconnected (normal left inverted right x axis y axis) HDMI3 disconnected (normal left inverted right x axis y axis) DP2 disconnected (normal left inverted right x axis y axis) DP3 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm 1920x1200 60.0*+ 1920x1080 60.0 1600x1200 60.0 1680x1050 60.0 1280x1024 60.0 1440x900 59.9 1280x960 60.0 1024x768 60.0 800x600 60.3 640x480 60.0 When the SNA is enabled and the notebook is ejected from the docking station, the screen becomes garbled on the internal screen (please see attachment for a screenshot). When I switch to old UXA using the following xorg.conf: $ cat /etc/X11/xorg.conf Section "Device" Identifier "Card0" Driver "intel" Option "AccelMethod" "uxa" EndSection the laptop detachment works flawlessly and the screen is not garbled. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: xorg 1:7.7+1ubuntu4 ProcVersionSignature: Ubuntu 3.8.0-18.28-generic 3.8.6 Uname: Linux 3.8.0-18-generic i686 .tmp.unity.support.test.0: ApportVersion: 2.9.2-0ubuntu8 Architecture: i386 CompizPlugins: [core,composite,opengl,decor,move,regex,gnomecompat,vpswitch,mousepoll,resize,place,grid,compiztoolbox,snap,imgpng,unitymtgrabhandles,session,animation,workarounds,wall,expo,ezoom,fade,scale,unityshell] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Thu Apr 18 09:20:49 2013 DistUpgraded: 2013-04-12 09:14:34,410 DEBUG enabling apt cron job DistroCodename: raring DistroVariant: ubuntu DkmsStatus: virtualbox, 4.2.10, 3.8.0-17-generic, i686: installed virtualbox, 4.2.10, 3.8.0-18-generic, i686: installed EcryptfsInUse: Yes ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Dell Device [1028:040b] InstallationDate: Installed on 2010-05-17 (1066 days ago) InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429) MachineType: Dell Inc. Latitude E6510 MarkForUpload: True PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-18-generic root=UUID=02dfb985-99c1-431d-882f-87475db02062 ro crashkernel=384M-2G:64M,2G-:128M splash elevator=noop SourcePackage: xorg UpgradeStatus: Upgraded to raring on 2013-04-12 (6 days ago) XorgConf: Section "Device" Identifier "Card0" Driver "intel" Option "AccelMethod" "uxa" EndSection dmi.bios.date: 11/20/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: 02K3Y4 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA06:bd11/20/2010:svnDellInc.:pnLatitudeE6510:pvr0001:rvnDellInc.:rn02K3Y4:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6510 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.9~daily13.04.15-0ubuntu1 version.libdrm2: libdrm2 2.4.43-0ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6 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 2:2.21.6-0ubuntu3 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1 ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug compiz-0.9 i386 raring ubuntu -- 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/1170225 Title: Intel SNA garbled screen when detaching from the docking station To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1170225/+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