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[Harjeet Singh <harjeetss@xxxxxxxxx>]

I tried mainline kernel v3.18-rc2 as suggested. It would not boot
properly and took me to the intramfs screen (see attachment). Also while
starting with that kernel the screen was stretched horizontally.

I have also updated BIOS to A12, the problem still persists with that
BIOS version.

Status for various kernel version sis as follows :

  3.16.0-17 (Utopic-Beta2) - **WORKS**
  3.16.0-23      - Does not Work
  3.17.1         - Does not Work
  3.18.0-rc2	   - Does not boot properly

** Attachment added: "3.18 Kernel error.png"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1386175/+attachment/4247059/+files/3.18%20Kernel%20error.png

** Tags added: kernel-unable-to-test-upstream

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

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https://bugs.launchpad.net/bugs/1386175

Title:
  Desktop freezes on login and while booting the ISO image

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Variants tested on which error found - 
  * Ubuntu-14.10-Desktop Final Release
  * Ubuntu-Gnome-14.10-Desktop Final release

  When booting the ISO (using grubentry method), the screen freezes and
  becomes unresponsive after 3 secs of showing up the desktop GUI
  screen. Not able to continue beyond that or even to the installation
  step. Do not face this issue with Beta 1 or Beta 2. The md5sum for iso
  file is OK. Problem is repeatable everytime.

  I am attaching my laptop profile.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-23-generic 3.16.0-23.31
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  Uname: Linux 3.16.0-23-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu-gnome   2858 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu-gnome   2858 F.... pulseaudio
  CasperVersion: 1.345
  Date: Mon Oct 27 17:50:40 2014
  LiveMediaBuild: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Dell Inc. Vostro 3500
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=(loop)/casper/vmlinuz.efi boot=casper iso-scan/filename=/iso/hostname-14.10-desktop-amd64.iso noprompt noeject toram --
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-23-generic N/A
   linux-backports-modules-3.16.0-23-generic  N/A
   linux-firmware                             1.138
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/25/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A10
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd10/25/2010:svnDellInc.:pnVostro3500:pvrA10:rvnDellInc.:rn:rvrA10:cvnDellInc.:ct8:cvrA10:
  dmi.product.name: Vostro 3500
  dmi.product.version: A10
  dmi.sys.vendor: Dell Inc.

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