peterzay, there is no need to post screenshots of virtualbox problems, as this report isn't scoped to it. Instead, post those screenshots in the new report that would be made as per the Crash report window.
** Attachment removed: "Screenshot from 2015-10-06 05_13_34.png" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1313158/+attachment/4486514/+files/Screenshot%20from%202015-10-06%2005_13_34.png ** Attachment removed: "Screenshot from 2015-10-06 05_11_54.png" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1313158/+attachment/4486497/+files/Screenshot%20from%202015-10-06%2005_11_54.png ** Attachment removed: "Screenshot from 2015-10-06 05_06_19.png" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1313158/+attachment/4486496/+files/Screenshot%20from%202015-10-06%2005_06_19.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1313158 Title: 10de:1049 Graphics lag and jerk with nouveau Status in xserver-xorg-video-nouveau package in Ubuntu: Triaged Bug description: A Dell Inspiron 660 without nVidia graphics works fine. The same machine with an nVidia card lags and jerks when dragging a window or scrolling a browser page. Most annoying. I do not have any proprietary drivers and would like to keep things that way. --- .tmp.unity.support.test.0: ApportVersion: 2.14.1-0ubuntu3.15 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 DistUpgraded: Fresh install DistroCodename: trusty DistroRelease: Ubuntu 14.04 DistroVariant: ubuntu EcryptfsInUse: Yes ExtraDebuggingInterest: Yes GraphicsCard: Subsystem: Dell Device [1028:0581] NVIDIA Corporation GF119 [GeForce GT 620 OEM] [10de:1049] (rev a1) (prog-if 00 [VGA controller]) Subsystem: NVIDIA Corporation Device [10de:0977] InstallationDate: Installed on 2014-04-29 (515 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417) MachineType: Dell Inc. Inspiron 660 Package: xorg 1:7.7+1ubuntu8.1 PackageArchitecture: i386 ProcEnviron: LANGUAGE=en_US TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-63-generic root=UUID=8cf458ab-4ff9-4505-9a16-27da1ea7ec10 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-63.103-generic 3.13.11-ckt25 Tags: trusty ubuntu compiz-0.9 Uname: Linux 3.13.0-63-generic i686 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 10/14/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A11 dmi.board.name: 0XR1GT dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA11:bd10/14/2013:svnDellInc.:pnInspiron660:pvr:rvnDellInc.:rn0XR1GT:rvrA00:cvnDellInc.:ct3:cvr: dmi.product.name: Inspiron 660 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1 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.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: Sat Sep 26 17:01:34 2015 xserver.configfile: default xserver.errors: Failed to load module "nvidia" (module does not exist, 0) Failed to load module "nvidia" (module does not exist, 0) xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.15.1-0ubuntu2.7 xserver.video_driver: nouveau To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1313158/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp