Enabling "Copy to Texture" (ref bug #830949) does not solve this problem.
** Summary changed: - Only black screen with mouse pointer on connected external screen to laptop + Only black screen with mouse pointer on connected external screen to laptop, locks at unplugging ** Tags removed: has-workaround ** Description changed: When I connect an external screen, only the mouse pointer is visible on black background. A workaround is to press CTRL-ALT-F1 and then CTRL- ALT-F7. + + When I then disconnect the cable, the internal laptop screen is stuck + with non movable mouse pointer and locks completely. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xorg 1:7.6+10ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-20.32-generic-pae 3.2.12 Uname: Linux 3.2.0-20-generic-pae i686 .tmp.unity.support.test.0: - + ApportVersion: 1.94.1-0ubuntu2 Architecture: i386 CompizPlugins: [core,composite,opengl,decor,snap,resize,place,imgpng,move,compiztoolbox,grid,vpswitch,mousepoll,regex,gnomecompat,session,wall,animation,fade,expo,ezoom,scale,workarounds,unityshell] CompositorRunning: compiz Date: Thu Mar 22 15:37:32 2012 DistUpgraded: Fresh install DistroCodename: precise DistroVariant: ubuntu EcryptfsInUse: Yes ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu GraphicsCard: - Intel Corporation N10 Family Integrated Graphics Controller [8086:a011] (rev 02) (prog-if 00 [VGA controller]) - Subsystem: Giga-byte Technology Device [1458:b100] - Subsystem: Giga-byte Technology Device [1458:b100] + Intel Corporation N10 Family Integrated Graphics Controller [8086:a011] (rev 02) (prog-if 00 [VGA controller]) + Subsystem: Giga-byte Technology Device [1458:b100] + Subsystem: Giga-byte Technology Device [1458:b100] MachineType: GIGABYTE T1005 ProcEnviron: - LANGUAGE=nb_NO:nb:no_NO:no:nn_NO:nn:en - PATH=(custom, user) - LANG=nb_NO.UTF-8 - SHELL=/bin/bash + LANGUAGE=nb_NO:nb:no_NO:no:nn_NO:nn:en + PATH=(custom, user) + LANG=nb_NO.UTF-8 + SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-20-generic-pae root=UUID=f1d0446d-3ea3-46a7-9842-8773acca78e6 ro quiet splash i8042.noloop=1 vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to precise on 2012-03-11 (11 days ago) dmi.bios.date: 08/30/2010 dmi.bios.vendor: GIGABYTE dmi.bios.version: GSBF05 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: T1005 dmi.board.vendor: GIGABYTE dmi.board.version: Base Board Version dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 1 dmi.chassis.vendor: Chassis Manufacturer dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnGIGABYTE:bvrGSBF05:bd08/30/2010:svnGIGABYTE:pnT1005:pvrGSBF05:rvnGIGABYTE:rnT1005:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion: dmi.product.name: T1005 dmi.product.version: GSBF05 dmi.sys.vendor: GIGABYTE version.compiz: compiz 1:0.9.7.0+bzr3035-0ubuntu1 version.libdrm2: libdrm2 2.4.30-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu5 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu5 version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/962217 Title: Only black screen with mouse pointer on connected external screen to laptop, locks at unplugging To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/962217/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
