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Ubuntu 14.10 (utopic) reached end-of-life on July 23, 2015.

I'm setting the status of this bug to 'Incomplete' as it's not seen any
activity for some time. If this issue is still relevant when using a
currently maintained release of Ubuntu then please let us know which
one(s) otherwise this bug report can be left to expire in approximately
60 days time.

** Changed in: xorg-server (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1389750

Title:
  X consuming 40–60 % of the CPU

Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  According to htop, /usr/bin/X is consuming 40–60% of the CPU.

  Description:  Ubuntu 14.10
  Release:      14.10

  xorg:
    Installed: 1:7.7+7ubuntu2
    Candidate: 1:7.7+7ubuntu2

  compiz:
    Installed: 1:0.9.12+14.10.20140918-0ubuntu1
    Candidate: 1:0.9.12+14.10.20140918-0ubuntu1

  What you expected to happen
  x should consume a moderate amount of cpu

  What happened instead
  x consumes a large amount of cpu

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: xserver-xorg-core 2:1.16.0-1ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
  Uname: Linux 3.16.0-24-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Wed Nov  5 16:27:46 2014
  DistUpgraded: Fresh install
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20120703-2
  DistroCodename: utopic
  DistroVariant: ubuntu
  DkmsStatus:
   vboxhost, 4.3.12, 3.13.0-29-generic, x86_64: installed
   vboxhost, 4.3.12, 3.15.0-031500-lowlatency, x86_64: installed
   vboxhost, 4.3.12, 3.16.0-24-generic, x86_64: installed
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/Xorg
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] 
(rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:058b]
  InstallationDate: Installed on 2013-08-27 (435 days ago)
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 
20120703-15:08
  MachineType: Dell Inc. Dell System XPS L322X
  ProcEnviron:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic 
root=UUID=221de9c1-f10a-4be4-9273-5c12864c8680 ro quiet splash vt.handoff=7
  SourcePackage: xorg-server
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/15/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: 0PJHXN
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: 
dmi:bvnDellInc.:bvrA09:bd05/15/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L322X
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental 
10.0.0-1ubuntu2
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.914-1~exp1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.11-1ubuntu2
  xserver.bootTime: Tue Nov  4 13:47:06 2014
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                4933 
   vendor                                     CMN
  xserver.version: 2:1.16.0-1ubuntu1

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