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[Bug 1295384] [NEW] Constant hight CPU load with unity

 

Public bug reported:

After upgrading to 14.04 I see very high CPU load with unity on my thinkpad x201.
"top" shows me values of ~ 50-200%, never below 50% and the fan is constantly 
going.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: compiz 1:0.9.11+14.04.20140310-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic x86_64
.tmp.unity.support.test.1:
 
ApportVersion: 2.13.3-0ubuntu1
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: Thu Mar 20 22:40:14 2014
DistUpgraded: 2014-03-20 20:32:20,032 ERROR SystemError from cache.commit(): installArchives() failed
DistroCodename: trusty
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:215a]
InstallationDate: Installed on 2012-12-03 (472 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MachineType: LENOVO 3626W15
PackageArchitecture: all
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-18-generic root=UUID=da0b4f9e-dcb3-4055-8776-9832fd2cb7df ro quiet splash vt.handoff=7
SourcePackage: compiz
UpgradeStatus: Upgraded to trusty on 2014-03-20 (0 days ago)
dmi.bios.date: 06/07/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6QET46WW (1.16 )
dmi.board.name: 3626W15
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.modalias: dmi:bvnLENOVO:bvr6QET46WW(1.16):bd06/07/2010:svnLENOVO:pn3626W15:pvrThinkPadX201:rvnLENOVO:rn3626W15:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 3626W15
dmi.product.version: ThinkPad X201
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11+14.04.20140310-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Thu Mar 20 22:32:53 2014
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                               16401 
 vendor                                     LEN
xserver.version: 2:1.15.0-1ubuntu7

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: Invalid


** Tags: amd64 apport-bug compiz-0.9 trusty ubuntu

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https://bugs.launchpad.net/bugs/1295384

Title:
  Constant hight CPU load with unity

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