kernel-packages team mailing list archive

[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This change was made by a bot.

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1573421

Title:
  vgaarb: this pci device is not a vga device

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Very bad performance and overheating when using NVIDIA GPU. dmesg
  filled with:

  [    9.925866] vgaarb: this pci device is not a vga device
  [    9.123471] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)

  Last time I used upstream kernel for trusty and problem was resolved,
  now I have difficulty finding proper kernel version.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-21-generic 4.4.0-21.37
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tm         2651 F.... pulseaudio
   /dev/snd/controlC1:  tm         2651 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Apr 22 08:50:08 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-05-28 (329 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  MachineType: Dell Inc. Latitude E5540
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=9a540be9-ff2e-45f9-8fa9-84e7ee420e26 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-04-21 (0 days ago)
  dmi.bios.date: 02/02/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A11
  dmi.board.name: 0GW97C
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA11:bd02/02/2015:svnDellInc.:pnLatitudeE5540:pvr01:rvnDellInc.:rn0GW97C:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E5540
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1573421/+subscriptions