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[Steve <cheeto_crunch@xxxxxxxxx>]

*** This bug is a duplicate of bug 1562076 ***
    https://bugs.launchpad.net/bugs/1562076

** This bug has been marked a duplicate of bug 1562076
   Ubuntu freezes a few seconds after plugin a screen

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https://bugs.launchpad.net/bugs/1573702

Title:
  Ubuntu 16.04 freeze when HDMI cable plugged.

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Hello,

  I'm suspect that this problem is similar to Bug #1562076 reported.

  lsb_release -rd
  Description:	Ubuntu 16.04 LTS
  Release:	16.0

  The Problem:
  When I plug a HDMI cable to use a second screen the Ubuntu freeze, halt and I need do a "hard power off".
  This problem occurs at any kernel of Ubuntu 16.04 that I tested. Now I use a 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18.
  The same hardware with Ubuntu 14 and kerne l3.13.0-85-generic #129-Ubuntu SMP Thu Mar 17 20:50:15 UTC  it's OK.

  If I could help us with any more information, please contact me.

  Thanks for help me.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-21-generic 4.4.0-21.37
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  fpi        2115 F.... pulseaudio
   /dev/snd/controlC0:  fpi        2115 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Apr 22 13:26:33 2016
  InstallationDate: Installed on 2016-02-12 (70 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: Dell Inc. Inspiron 5448
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=f7a65cdb-3d82-4056-ac2e-ed862cec2d7c ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-03-08 (44 days ago)
  dmi.bios.date: 10/12/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0YDTG3
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A06
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd10/12/2015:svnDellInc.:pnInspiron5448:pvrA06:rvnDellInc.:rn0YDTG3:rvrA00:cvnDellInc.:ct8:cvrA06:
  dmi.product.name: Inspiron 5448
  dmi.product.version: A06
  dmi.sys.vendor: Dell Inc.

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