Public bug reported:
At the logon, I'm noticing some random screen flickering on 90 % of the
screen surface. During the session, the CPU is used by Xorg, Compiz and
the applications which are displayed up to 100 % (one core). See
attached screen shot as an example.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: xorg 1:7.7+13ubuntu4
ProcVersionSignature: Ubuntu 4.8.0-27.29-generic 4.8.1
Uname: Linux 4.8.0-27-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sat Nov 26 14:46:54 2016
DistUpgraded: Fresh install
DistroCodename: yakkety
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0106] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer 2nd Generation Core
Processor Family Integrated Graphics Controller [1297:4018]
InstallationDate: Installed on 2016-04-23 (217 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: Shuttle Inc. DS47D
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-27-generic
root=UUID=514d94c8-1d34-422f-9230-fd44e2b92bdd ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/14/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.06
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: FS47D
dmi.board.vendor: Shuttle Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.06:bd07/14/2014:svnShuttleInc.:pnDS47D:pvrV1.0:rvnShuttleInc.:rnFS47D:rvr1.0:cvnToBeFilledByO.E.M.:ct10:cvrToBeFilledByO.E.M.:
dmi.product.name: DS47D
dmi.product.version: V1.0
dmi.sys.vendor: Shuttle Inc.
version.compiz: compiz 1:0.9.13.0+16.10.20160818.2-0ubuntu2
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-1
version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.3-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.3-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu6.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160706-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-2
xserver.bootTime: Sat Nov 26 11:49:31 2016
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Video Bus KEYBOARD, id 7
input Power Button KEYBOARD, id 8
input HOLTEK Wireless USB Device KEYBOARD, id 9
input HOLTEK Wireless USB Device KEYBOARD, id 10
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.4-1ubuntu6.1
xserver.video_driver: modeset
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 performance ubuntu yakkety
** Attachment added: "Capture du 2016-11-26 14-54-09.png"
https://bugs.launchpad.net/bugs/1644994/+attachment/4783378/+files/Capture%20du%202016-11-26%2014-54-09.png
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https://bugs.launchpad.net/bugs/1644994
Title:
Flickering at logon, exessive CPU usage
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