Andrew, thank you for reporting this and helping make Ubuntu better. To clarify, if you were to remove bumblebee, but keep the latest nvidia drivers as per the Ubuntu repository, is this still reproducible?
** Tags added: latest-bios-8ecn95ww ** Changed in: xorg (Ubuntu) Importance: Undecided => Medium ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1483560 Title: Screen tearing with bumblebee Status in xorg package in Ubuntu: Incomplete Bug description: After last nvidia drivers update, I've noticed screen tearing on fast cursor moving in menus, also in 720p video in VLC and even in QtCreator text editor. I have bumblebee running intel i915 and NVIDIA GF117M. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu8.1 ProcVersionSignature: Ubuntu 3.13.0-61.100-generic 3.13.11-ckt22 Uname: Linux 3.13.0-61-generic x86_64 NonfreeKernelModules: wl nvidia .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 340.76 Thu Jan 22 12:11:08 PST 2015 GCC version: gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04) ApportVersion: 2.14.1-0ubuntu3.11 Architecture: amd64 CurrentDesktop: Unity Date: Tue Aug 11 10:41:09 2015 DistUpgraded: Fresh install DistroCodename: trusty DistroVariant: ubuntu DkmsStatus: bbswitch, 0.7, 3.13.0-61-generic, x86_64: installed bcmwl, 6.30.223.248+bdcom, 3.13.0-61-generic, x86_64: installed nvidia-340, 340.76, 3.13.0-61-generic, x86_64: installed vboxhost, 4.3.30, 3.13.0-61-generic, x86_64: installed GraphicsCard: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:3808] Subsystem: Lenovo Device [17aa:380e] InstallationDate: Installed on 2015-01-25 (197 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: LENOVO 20252 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-61-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash intel_iommu=igfx_off vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/12/2014 dmi.bios.vendor: LENOVO dmi.bios.version: 8ECN95WW dmi.board.asset.tag: No Asset Tag dmi.board.name: Ginkgo 7A1 dmi.board.vendor: LENOVO dmi.board.version: 31900059WIN dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo G710 dmi.modalias: dmi:bvnLENOVO:bvr8ECN95WW:bd05/12/2014:svnLENOVO:pn20252:pvrLenovoG710:rvnLENOVO:rnGinkgo7A1:rvr31900059WIN:cvnLENOVO:ct10:cvrLenovoG710: dmi.product.name: 20252 dmi.product.version: Lenovo G710 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.4 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.4 version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.6 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 xserver.bootTime: Tue Aug 11 10:31:35 2015 xserver.configfile: /etc/X11/xorg.conf xserver.errors: NVIDIA(0): Failed to initiate mode change. NVIDIA(0): Failed to complete mode change xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 16982 vendor SEC xserver.version: 2:1.15.1-0ubuntu2.7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1483560/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp