dvdmchl, given that you reported this problem while using the nvidia proprietary drivers, let this report be scoped to that, as nouveau drivers are treated as separately.
Hence, as per your logs, you were using the 304.x nvidia driver when you first reported. As per nvidia.com, the latest available is 340.93, which is available in Wily as per https://launchpad.net/ubuntu/+source/nvidia- graphics-drivers-340 . Hence, would testing a newer version of the driver change anything? ** Tags added: wily ** Description changed: - It has to do something with GPU as it happens only when using app that - uses OpenGL. + With Nvidia binary drivers it freezes very often, with nouveau driver it + freezes not very often. It has to do something with GPU as it happens + only when using app that uses OpenGL. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: xorg 1:7.7+7ubuntu4 ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6 Uname: Linux 3.19.0-30-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 304.128 Wed Aug 26 10:38:05 PDT 2015 GCC version: gcc version 4.9.2 (Ubuntu 4.9.2-10ubuntu13) .tmp.unity.support.test.0: ApportVersion: 2.17.2-0ubuntu1.5 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Wed Oct 7 08:36:04 2015 DistUpgraded: Fresh install DistroCodename: vivid DistroVariant: ubuntu DkmsStatus: bbswitch, 0.7, 3.19.0-30-generic, x86_64: installed nvidia-304, 304.128, 3.19.0-30-generic, x86_64: installed vboxhost, 5.0.6, 3.19.0-30-generic, x86_64: installed ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation GT200 [GeForce GTX 280] [10de:05e1] (rev a1) (prog-if 00 [VGA controller]) Subsystem: XFX Pine Group Inc. Device [1682:2400] InstallationDate: Installed on 2015-10-03 (3 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) Lsusb: Bus 001 Device 002: ID 18a5:0302 Verbatim, Ltd 32GB Flash Drive Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 045e:001e Microsoft Corp. IntelliMouse Explorer Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: XFX XFX nForce 790i Ultra 3-Way SLI ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic root=UUID=fe12b377-bee0-4361-b4e5-cdf0dd3d3f5c ro text SourcePackage: xorg UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/25/2008 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: XFX nForce 790i Ultra 3-Way SLI dmi.board.vendor: XFX dmi.board.version: 1 dmi.chassis.type: 3 dmi.chassis.vendor: XFX dmi.chassis.version: XFX nForce 790i Ultra 3-Way SLI dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd06/25/2008:svnXFX:pnXFXnForce790iUltra3-WaySLI:pvr1:rvnXFX:rnXFXnForce790iUltra3-WaySLI:rvr1:cvnXFX:ct3:cvrXFXnForce790iUltra3-WaySLI: dmi.product.name: XFX nForce 790i Ultra 3-Way SLI dmi.product.version: 1 dmi.sys.vendor: XFX version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.60-2 version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2 version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1 xserver.bootTime: Wed Oct 7 08:18:06 2015 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Microsoft Microsoft IntelliMouse® Explorer MOUSE, id 8 input AT Translated Set 2 keyboard KEYBOARD, id 9 xserver.errors: open /dev/fb0: No such file or directory xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.17.1-0ubuntu3.1 ** Summary changed: - System freezes when playing videos or games. + 10de:05e1 System freezes when playing videos or games. -- 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/1503554 Title: 10de:05e1 System freezes when playing videos or games. 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