Public bug reported:

My laptop has a kernel problem with the Ubuntu 15.04 live disk.

The Kernel reports constantly about a NULL pointer reference.

Sometimes the X-server starts without the Unity interface and the UI freezes 
constantly for a few seconds.
It often ends with a complete freeze of the computer.

Other times the computer freezes before the desktop was loaded.

I think it could be the radeon driver for my ATI Mobility Radeon HD
5650.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.18.0-9-generic 3.18.0-9.10
ProcVersionSignature: Ubuntu 3.18.0-9.10-generic 3.18.2
Uname: Linux 3.18.0-9-generic x86_64
ApportVersion: 2.15.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/hwC0D0', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', 
'/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] 
failed with exit code 1:
CasperVersion: 1.349
Date: Mon Jan 26 21:52:58 2015
LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150126)
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent 
file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet 
splash -- BOOT_IMAGE=/casper/vmlinuz.efi
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.18.0-9-generic N/A
 linux-backports-modules-3.18.0-9-generic  N/A
 linux-firmware                            1.141
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/16/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: V1.25
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JM41_CP
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnINSYDE:bvrV1.25:bd03/16/2011:svnAcer:pn:pvrV1.25:rvnAcer:rnJM41_CP:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.version: V1.25
dmi.sys.vendor: Acer

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


** Tags: amd64 apport-bug vivid

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https://bugs.launchpad.net/bugs/1414789

Title:
  Kernel Oops - unable to handle kernel NULL pointer dereference at
  0000000000000010; EIP is at fb_release+0x26/0x60

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