Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: xorg (Ubuntu)
       Status: New => Confirmed

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   drm/i915: Resetting chip after gpu hang

Status in xorg package in Ubuntu:

Bug description:
  After sleep/wake cycle, switching windows and text scrolls become very slow. 
Ubuntu GUI feels quite sluggish to the point of being unusable.  I've been 
living with this issue for months, hoping next update might fix the problem, 
but no such luck! I've searched far and wide looking for a solution but 
everything I read so far doesn't appear to address the issue in current 
release.  I believe I've all required updates(see below) but still no joy.  In 
case I missed something, please point me to the solution.

  I used 'ubuntu-bug xorg' so I'm assuming all required logs/info is
  already attached. In case not, I'm attaching dmesg.txt,
  i915_error_state, Xorg.0.log.  Please let me know if you require any
  additional information.


  :lsb_release -rd
  Description:  Ubuntu 16.04 LTS
  Release:      16.04

  :uname -a
  Linux gsj-X201-U 4.4.0-57-generic #78-Ubuntu SMP Fri Dec 9 23:50:32 UTC 2016 
x86_64 x86_64 x86_64 GNU/Linux

  :apt list --installed | grep mesa
  libegl1-mesa/xenial,now 11.2.0-1ubuntu2 amd64 [installed,automatic]
  libgl1-mesa-dri/xenial,now 11.2.0-1ubuntu2 amd64 [installed,automatic]
  libgl1-mesa-glx/xenial,now 11.2.0-1ubuntu2 amd64 [installed,automatic]
  libglapi-mesa/xenial,now 11.2.0-1ubuntu2 amd64 [installed,automatic]
  libglu1-mesa/xenial,now 9.0.0-2.1 amd64 [installed,automatic]
  libwayland-egl1-mesa/xenial,now 11.2.0-1ubuntu2 amd64 [installed,automatic]
  mesa-utils/xenial,now 8.3.0-1 amd64 [installed]
  mesa-vdpau-drivers/xenial,now 11.2.0-1ubuntu2 amd64 [installed,automatic]

  :glxinfo | grep -i version
  server glx version string: 1.4
  client glx version string: 1.4
  GLX version: 1.4
      Version: 11.2.0
      Max core profile version: 0.0
      Max compat profile version: 2.1
      Max GLES1 profile version: 1.1
      Max GLES[23] profile version: 2.0
  OpenGL version string: 2.1 Mesa 11.2.0
  OpenGL shading language version string: 1.20
  OpenGL ES profile version string: OpenGL ES 2.0 Mesa 11.2.0
  OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
  Uname: Linux 4.4.0-57-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.4
  Architecture: amd64
  CompizPlugins: No value set for 
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Sat Jan 14 16:46:09 2017
  DistUpgraded: Fresh install
  DistroCodename: xenial
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
   Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] 
(rev 02) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Core Processor Integrated Graphics Controller [17aa:215a]
  MachineType: LENOVO 3680AQ6
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-57-generic 
root=UUID=dcd4589a-f35c-4041-9881-80947a1bc5ac ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install) 10/11/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6QET70WW (1.40 ) 3680AQ6
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
dmi:bvnLENOVO:bvr6QET70WW(1.40):bd10/11/2012:svnLENOVO:pn3680AQ6:pvrThinkPadX201:rvnLENOVO:rn3680AQ6:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: 3680AQ6
  dmi.product.version: ThinkPad X201
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.67-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
  version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
  xserver.bootTime: Tue Jan 10 23:00:54 2017
  xserver.configfile: default
  xserver.logfile: /var/log/Xorg.0.log
   product id                               16401 
   vendor                                     LEN
  xserver.version: 2:1.18.3-1ubuntu2

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