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[godlike <1588428@xxxxxxxxxxxxxxxxxx>]

I just want to mentioned that I am also affected by this bug and that
I've tested with kernel 4.7 rc4 without success. The error remains and
the kern.log and syslog grow with the same messages.

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https://bugs.launchpad.net/bugs/1588428

Title:
  PCI bus error on startup while booting into login screen (Kubuntu
  16.04)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  With a HP Pavilion Notebook - 15-ab549tx, and Kubuntu 16.04, the problem is on startup error messages show up before the login screen as per attached screenshot:
  https://launchpadlibrarian.net/263296837/screenshot.jpg

  At times it is just stops at this screen and doesn't move to the login
  screen. Or while it shuts down it stops at this screen.

  WORKAROUND: Adding kernel boot parameters:
  pci=nomsi
  pci=noaer

  stop the messages from showing on startup, but it takes 2.5 minutes to
  boot.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-22-generic 4.4.0-22.40
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  abhishek   1332 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Thu Jun  2 21:27:21 2016
  HibernationDevice: RESUME=UUID=bf42c497-2871-4fcb-9c6f-ea792ccf35ab
  InstallationDate: Installed on 2016-05-13 (19 days ago)
  InstallationMedia: Kubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0bda:b006 Realtek Semiconductor Corp.
   Bus 001 Device 004: ID 04ca:0060 Lite-On Technology Corp.
   Bus 001 Device 002: ID 04f2:b50d Chicony Electronics Co., Ltd
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: HP HP Pavilion Notebook
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic.efi.signed root=UUID=85cd7db1-5379-4a11-84d8-0b7ed7989962 ro quiet splash pci=nomsi vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-22-generic N/A
   linux-backports-modules-4.4.0-22-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/07/2016
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.78
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 80A4
  dmi.board.vendor: HP
  dmi.board.version: 91.1D
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.78:bd03/07/2016:svnHP:pnHPPavilionNotebook:pvrType1ProductConfigId:rvnHP:rn80A4:rvr91.1D:cvnHP:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion Notebook
  dmi.product.version: Type1ProductConfigId
  dmi.sys.vendor: HP

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