High CPU usage of the Xorg process

[jean marc]

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

[Daniel van Vugt (vanvugt)]

This appears to be a combination of multiple issues:

 * Firefox doesn't support hardware video decoding.

 * Your CPU doesn't support hardware video decoding.

 * Firefox is software-rendered.

So I don't think the high CPU of Xorg or any other related process is unexpected or a bug. Except maybe in your final statement:

> When I close firefox xorg ix in excution in the same way.

Can you please explain what that means?

[jean marc (jm-kaladjian)]

Hello!> When I close firefox xorg ix in excution in the same way.

Can you please explain what that means?

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

[Launchpad Janitor (janitor)]

[Expired for xorg-server (Ubuntu) because there has been no activity for 60 days.]

[Daniel van Vugt (vanvugt)]

> 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.

[Launchpad Janitor (janitor)]

[Expired for xorg-server (Ubuntu) because there has been no activity for 60 days.]