Public bug reported:

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.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug iso ubuntu-gnome utopic

** Attachment added: "Kernel Log"
   https://bugs.launchpad.net/bugs/1386175/+attachment/4246152/+files/kern.log

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

Title:
  Utopic freezes while booting the ISO image

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