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[Bug 1514102] Re: 8086:2772 Intermittent graphics corruption without nomodeset


Ian Bruntlett:
>"Don't have e-mail addresses for Daniel Vetter or Jani Nikula. Let me have them if you want me to pass the report to them as well."

To advise, their email, and advice to do so, was provided in https://wiki.ubuntu.com/Bugs/Upstream/kernel :
"Please ensure you e-mail all maintainers of the driver in the TO: field, and CC the mailing list."
"A list of all kernel drivers and their maintainers may be found here."

Also, please don't CC me on mailing list emails (instead post the
upstream URL here as previously requested). Among many reasons, it gives
the false impression that I'm going to swoop in and drop a code fix, I'm
somehow a maintainer, or I advised you to do this (I advised sending TO
maintainers CC list, not just e-mail the list).

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  8086:2772 Intermittent graphics corruption without nomodeset

Status in linux package in Ubuntu:

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

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

  sudo update-grub
  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
   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)
   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.version: 2:1.17.2-1ubuntu9

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