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Re: [Bug 1514102] Re: Intermittent graphics corruption

 

Hi Christopher,

On 26 November 2015 at 02:04, Christopher M. Penalver <
christopher.m.penalver@xxxxxxxxx> wrote:

> Ian Bruntlett, to clarify
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1514102/comments/37
> , was this tested to work without nomodeset?
>
Yes. In VGA mode (nomodeset present) the graphics were OK. Without it
(higher res mode), the graphics corruption occurred.

BW,


Ian

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https://bugs.launchpad.net/bugs/1514102

Title:
  Intermittent graphics corruption

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Every so often the screen would be corrupted with horizontal lines of
  junk.

  WORKAROUND: Add to /etc/default/grub GRUB_CMDLINE_LINUX:
  nomodeset

  sudo update-grub
  reboot
  Now the system will only allow VGA 640x480 graphics. 

  ---
  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

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