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["skt.diaz" <1452166@xxxxxxxxxxxxxxxxxx>]

can you please explain what i have to do basically? do i have to install
only 3.16,   3.17,   3.18  and 3.19 ?

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https://bugs.launchpad.net/bugs/1452166

Title:
  screen flickering at boot

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  everytime i start my computer a purple screen appears followed by a
  white flickering for 2 seconds. then screen goes black till login
  screen comes up. the ubuntu logo with progressing dots dont show up as
  they used to when i used ubuntu 14.10. i am using defalut radeon
  driver in 15.04. is there a fix for this because it looks very ugly
  when other people use my laptop. once booted up i have no problem with
  graphics. when i shut down i can see the ubuntu logo screen with dots.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-16-generic 3.19.0-16.16
  ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
  Uname: Linux 3.19.0-16-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jeet       1440 F.... pulseaudio
   /dev/snd/controlC1:  jeet       1440 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed May  6 13:47:41 2015
  HibernationDevice: RESUME=UUID=7ce5b8d0-4dd6-4291-b00f-c06a1b357f94
  InstallationDate: Installed on 2015-05-03 (3 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. Inspiron N5010
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-16-generic root=UUID=fe68578b-2d0a-44bf-ab60-93c06a3786b2 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-16-generic N/A
   linux-backports-modules-3.19.0-16-generic  N/A
   linux-firmware                             1.143
  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: 07/19/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A15
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A15
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A15
  dmi.modalias: dmi:bvnDellInc.:bvrA15:bd07/19/2011:svnDellInc.:pnInspironN5010:pvrA15:rvnDellInc.:rn:rvrA15:cvnDellInc.:ct8:cvrA15:
  dmi.product.name: Inspiron N5010
  dmi.product.version: A15
  dmi.sys.vendor: Dell Inc.

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