Сергей Шеркунов, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ .
If it remains an issue, could you please run the following command in the development release from a Terminal as it will automatically gather and attach updated debug information to this report: apport-collect -p xorg 1385889 Please ensure you have xdiagnose installed, and that you click the Yes button for attaching additional debugging information. As well, given the information from the prior release is already available, testing a release prior to the development one would not be helpful. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs ** Project changed: xorg-server => xorg (Ubuntu) ** Changed in: xorg (Ubuntu) Status: New => Incomplete ** Description changed: Graphical interface freezes some time after switching from Intel Gpu to the discrete graphics card Nvidia GeForce 720M. + + WORKAROUND: Use Intel GPU. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: xorg 1:7.7+7ubuntu2 ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4 Uname: Linux 3.16.0-23-generic x86_64 NonfreeKernelModules: nvidia .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: - NVRM version: NVIDIA UNIX x86_64 Kernel Module 331.89 Tue Jul 1 13:30:18 PDT 2014 - GCC version: gcc version 4.9.1 (Ubuntu 4.9.1-16ubuntu6) + NVRM version: NVIDIA UNIX x86_64 Kernel Module 331.89 Tue Jul 1 13:30:18 PDT 2014 + GCC version: gcc version 4.9.1 (Ubuntu 4.9.1-16ubuntu6) ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' Date: Sun Oct 26 17:05:04 2014 DistUpgraded: Fresh install DistroCodename: utopic DistroVariant: ubuntu DkmsStatus: - bbswitch, 0.7, 3.16.0-23-generic, x86_64: installed - nvidia-331-updates, 331.89, 3.16.0-23-generic, x86_64: installed - nvidia-331-updates-uvm, 331.89, 3.16.0-23-generic, x86_64: installed - virtualbox, 4.3.18, 3.16.0-23-generic, x86_64: installed + bbswitch, 0.7, 3.16.0-23-generic, x86_64: installed + nvidia-331-updates, 331.89, 3.16.0-23-generic, x86_64: installed + nvidia-331-updates-uvm, 331.89, 3.16.0-23-generic, x86_64: installed + virtualbox, 4.3.18, 3.16.0-23-generic, x86_64: installed EcryptfsInUse: Yes GraphicsCard: - Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) - Subsystem: ASUSTeK Computer Inc. Device [1043:124d] - Subsystem: ASUSTeK Computer Inc. Device [1043:124d] + Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) + Subsystem: ASUSTeK Computer Inc. Device [1043:124d] + Subsystem: ASUSTeK Computer Inc. Device [1043:124d] InstallationDate: Installed on 2014-10-23 (2 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) MachineType: ASUSTeK COMPUTER INC. X550CC ProcEnviron: - SHELL=/bin/bash - TERM=linux - PATH=(custom, no user) - LANG=ru_RU.UTF-8 - XDG_RUNTIME_DIR=<set> + SHELL=/bin/bash + TERM=linux + PATH=(custom, no user) + LANG=ru_RU.UTF-8 + XDG_RUNTIME_DIR=<set> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-23-generic.efi.signed root=UUID=92b225c1-0807-4944-8b18-4a5672bebec2 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/24/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: X550CC.300 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X550CC dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX550CC.300:bd03/24/2014:svnASUSTeKCOMPUTERINC.:pnX550CC:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX550CC:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: X550CC dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.56-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu3 version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2 xserver.bootTime: Sun Oct 26 16:51:54 2014 xserver.configfile: /etc/X11/xorg.conf xserver.errors: - NVIDIA(0): Failed to initiate mode change. - NVIDIA(0): Failed to complete mode change + 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 987 - vendor LGD + product id 987 + vendor LGD xserver.version: 2:1.16.0-1ubuntu1 ** Changed in: xorg (Ubuntu) Importance: Undecided => Low -- 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/1385889 Title: Graphical interface freezes. 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