> I mean that xorg is working and using 50%of the cou without
purpose.When I have just close fire fox.

When this happens please:

1. Run 'top' and check if any other processes are using more than 10%
CPU.

2. Look carefully at your screen and tell us if any part is constantly
changing, like any performance graphs etc.

3. Run:

   sudo apt-get install mesa-utils
   glxinfo > glxinfo.txt

   and attach the file 'glxinfo.txt' here.


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

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1826786

Title:
  High CPU usage of the Xorg process

Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  when I see for a long time on firefox a video on youtube.
  Xorg is begining to use the processor by incraese a two core processor for an 
average use on 40%.
  When I close firefox xorg ix in excution in the same way.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3.1
  ProcVersionSignature: Ubuntu 4.4.0-145.171-generic 4.4.176
  Uname: Linux 4.4.0-145-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Sun Apr 28 23:05:17 2019
  DistUpgraded: Fresh install
  DistroCodename: xenial
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 82G33/G31 Express Integrated Graphics Controller 
[8086:29c2] (rev 10) (prog-if 00 [VGA controller])
     Subsystem: Lenovo 82G33/G31 Express Integrated Graphics Controller 
[17aa:303c]
  InstallationDate: Installed on 2015-07-16 (1382 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 
(20150218.1)
  MachineType: LENOVO 2222222
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-145-generic 
root=UUID=b8485282-6c4c-4911-8054-b3658a58f78b ro quiet splash
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/07/2008
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 52KT38AUS
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: LENOVO
  dmi.board.vendor: LENOVO
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnLENOVO:bvr52KT38AUS:bd05/07/2008:svnLENOVO:pn2222222:pvrLENOVOXXXX:rvnLENOVO:rnLENOVO:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: 2222222
  dmi.product.version: LENOVO XXXX
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.91-2~16.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~16.04.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~16.04.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.8
  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 
2:2.99.917+git20160325-1ubuntu1.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.12-1build2
  xserver.bootTime: Sun Apr 28 19:27:56 2019
  xserver.configfile: default
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        Dell Dell USB Keyboard KEYBOARD, id 8
   input        ImPS/2 Logitech Wheel Mouse MOUSE, id 9
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               19232 
   vendor                                     GSM
  xserver.version: 2:1.18.4-0ubuntu0.8

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