** Description changed: - 1. Original bug was where the graphics would normally work but every so - often the screen would be corrupted with horizontal lines of junk. + Every so often the screen would be corrupted with horizontal lines of + junk. - After much research I found a primitive fix for that:- - * edit /etc/default/grub to add nomodeset to the GRUB_CMDLINE_LINUX - * sudo update-grub - * reboot + WORKAROUND: Add to /etc/default/grub GRUB_CMDLINE_LINUX nomodeset: + sudo update-grub + reboot - 2. Now the system will only allow VGA 640x480 graphics - - This is occurring on an Intel 829845G/GZ chipset + Now the system will only allow VGA 640x480 graphics. ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: xorg 1:7.7+7ubuntu4 ProcVersionSignature: Ubuntu 4.2.0-17.21-generic 4.2.3 Uname: Linux 4.2.0-17-generic x86_64 ApportVersion: 2.19.1-0ubuntu4 Architecture: amd64 CurrentDesktop: LXDE Date: Sat Nov 7 18:44:01 2015 InstallationDate: Installed on 2015-11-07 (0 days ago) InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) - --- - ApportVersion: 2.19.1-0ubuntu4 - Architecture: amd64 - BootLog: - [[0m[31m* [0m] (1 of 2) A start job is running for... Screen to Quit (26s / no limit) - [K[[32m OK [0m] Started Detect the available GPUs and deal with any system changes. - Starting Light Display Manager... - CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' - CompositorRunning: None - CurrentDesktop: LXDE - DistUpgraded: Fresh install - DistroCodename: wily - DistroRelease: Ubuntu 15.10 - DistroVariant: ubuntu - ExtraDebuggingInterest: Yes - GraphicsCard: - Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev 02) (prog-if 00 [VGA controller]) - Subsystem: Hewlett-Packard Company Device [103c:3011] - InstallationDate: Installed on 2015-11-07 (1 days ago) - InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) - Lsusb: - Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub - Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - MachineType: Hewlett-Packard HP Compaq dc7600 Small Form Factor - Package: xorg 1:7.7+7ubuntu4 - PackageArchitecture: amd64 - ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-17-generic root=UUID=def848d7-a3ef-47d8-a73e-068a9b329f5b ro nomodeset quiet splash vt.handoff=7 - ProcVersionSignature: Ubuntu 4.2.0-17.21-generic 4.2.3 - Renderer: Software - Tags: wily ubuntu - UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' - Uname: Linux 4.2.0-17-generic x86_64 - UpgradeStatus: No upgrade log present (probably fresh install) - UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo - _MarkForUpload: True - dmi.bios.date: 04/24/2006 - dmi.bios.vendor: Hewlett-Packard - dmi.bios.version: 786D1 v01.56 - dmi.board.name: 09F8h - dmi.board.vendor: Hewlett-Packard - dmi.chassis.asset.tag: CZC6451M59 - dmi.chassis.type: 4 - dmi.chassis.vendor: Hewlett-Packard - dmi.modalias: dmi:bvnHewlett-Packard:bvr786D1v01.56:bd04/24/2006:svnHewlett-Packard:pnHPCompaqdc7600SmallFormFactor:pvr:rvnHewlett-Packard:rn09F8h:rvr:cvnHewlett-Packard:ct4:cvr: - dmi.product.name: HP Compaq dc7600 Small Form Factor - dmi.sys.vendor: Hewlett-Packard - version.compiz: compiz N/A - version.ia32-libs: ia32-libs N/A - version.libdrm2: libdrm2 2.4.64-1 - version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4 - version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A - version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4 - version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9 - version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1 - version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1 - version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4 - version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3 - xserver.bootTime: Sun Nov 8 14:24:35 2015 - xserver.configfile: default - xserver.devices: - input Power Button KEYBOARD, id 6 - input Power Button KEYBOARD, id 7 - input AT Translated Set 2 keyboard KEYBOARD, id 8 - input ImPS/2 Generic Wheel Mouse MOUSE, id 9 - input HP WMI hotkeys KEYBOARD, id 10 - xserver.logfile: /var/log/Xorg.0.log - xserver.outputs: - - xserver.version: 2:1.17.2-1ubuntu9
** Summary changed: - Intel Graphic chips bug(s) + Intermittent graphics corruption -- 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/1514102 Title: Intermittent graphics corruption To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1514102/+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