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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This change was made by a bot.

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

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https://bugs.launchpad.net/bugs/1502171

Title:
  Unable to boot Dell Sputnik (XPS 13 Developer Edition) after upgrading
  to linux-image-3.19.0-30-generic.

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  My XPS 13 has been online for a few days on linux-
  image-3.19.0-28-generic and I just got around to rebooting after the
  linux-image-3.19.0-30-generic update.

  I have a BIOS password then full-disk encryption.

  After rebooting (both soft reboot and hard poweroff/on) I can enter my
  BIOS password but no longer have keyboard at the full-disk encryption
  unlock screen and can't enter my password. Also, nothing shows up on
  my external monitor with 3.19.0-30 while it does show up on 3.19.0-28.

  I can hit Ctrl-Alt-Del on that screen so my XPS 13 is seeing my
  keyboard; I just can't type my password.

  Rebooting, selecting Advanced, and booting into 3.19.0-28 "fixes" my
  system, everything works as expected.

  Rebooting, selecting Advanced, and booting into 3.19.0-30 exhibits the
  same symptoms. No keyboard or external monitor. Sometimes the full-
  disk encryption unlock screen doesn't even appear. Just the
  aubergineish colored background and nothing else shows up. Hitting
  Ctrl-Alt-Del reboots the system as expected.

  Rebooting, selecting Advanced, and booting in 3.19.0-30 recovery
  allows me to enter my password during the console bootup but nothing
  shows up on my external monitor. When I Resume the normal bootup
  sequence I get into Ubuntu Desktop but I have no external monitor, the
  system is at a constant 25% CPU across all four cores, and every
  keypress, click, or action is lagged by a second or two. When doing
  any task that involves fades (like Alt-Tab) it takes two to five
  seconds for each fade to finish. It took almost 30 seconds to Alt-Tab
  between two windows.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-30-generic 3.19.0-30.33
  ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
  Uname: Linux 3.19.0-28-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  sciri      2284 F.... pulseaudio
   /dev/snd/controlC0:  sciri      2284 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Oct  2 09:53:35 2015
  InstallationDate: Installed on 2015-07-13 (80 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. XPS 13 9343
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-28-generic.efi.signed root=UUID=0afea0af-5fcc-489a-bb6f-37670c00aaa0 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-28-generic N/A
   linux-backports-modules-3.19.0-28-generic  N/A
   linux-firmware                             1.143.3
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/15/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A04
  dmi.board.name: 0310JH
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA04:bd05/15/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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