Public bug reported: Your system is providing 3D via software rendering rather than hardware rendering. This is a compatibility mode which should display 3D graphics properly but the performance may be very poor. If the problem you're reporting is related to graphics performance, your real question may be why X didn't use hardware acceleration for your system.
ubuntu 16.04 LTS Intel® Core™2 CPU 6420 @ 2.13GHz × 2 Gallium 0.4 on llvmpipe (LLVM 3.8, 128 bits) ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16 Uname: Linux 4.4.0-36-generic x86_64 .tmp.unity_support_test.1: ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 BootLog: CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Sun Sep 11 22:19:56 2016 DistUpgraded: 2016-09-11 12:24:34,299 ERROR got error from PostInstallScript ./xorg_fix_proprietary.py (Failed to execute child process "./xorg_fix_proprietary.py" (No such file or directory)) DistroCodename: xenial DistroVariant: ubuntu GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] [1002:68f9] (prog-if 00 [VGA controller]) Subsystem: PC Partner Limited / Sapphire Technology Cedar [Radeon HD 5000/6000/7350/8350 Series] [174b:e164] InstallationDate: Installed on 2012-12-11 (1370 days ago) InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1) MachineType: System manufacturer System Product Name ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic root=UUID=150153c9-a663-4cf4-b335-3e170c2f4845 ro quiet splash vt.handoff=7 Renderer: Software SourcePackage: xorg UpgradeStatus: Upgraded to xenial on 2016-09-11 (0 days ago) dmi.bios.date: 07/03/2007 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0901 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P5B-VM dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0901:bd07/03/2007:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5B-VM:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer version.compiz: compiz 1:0.9.12.2+16.04.20160801.3-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.2 version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.2 version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Sun Sep 11 21:01:07 2016 xserver.configfile: /etc/X11/xorg.conf xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Microsoft Microsoft Wireless Optical Desktop® 2.10 KEYBOARD, id 8 input Microsoft Microsoft Wireless Optical Desktop® 2.10 KEYBOARD, id 9 input 2.4G wireless Mouse MOUSE, id 10 xserver.errors: open /dev/dri/card0: No such file or directory open /dev/dri/card0: No such file or directory Screen 0 deleted because of no matching config section. Screen 0 deleted because of no matching config section. AIGLX: reverting to software rendering xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.18.3-1ubuntu2.3 ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug compiz-0.9 ubuntu xenial -- 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/1622394 Title: vlc playback flicker and has delays To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1622394/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp