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[LostInBrittany <lostinbrittany@xxxxxxxxx>]

Public bug reported:

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Since yesterday, after last system upgrade, compiz CPU usage has gone
wild :

horacio@horacio-xps13:~$ top
top - 15:09:10 up  3:31,  2 users,  load average: 2,62, 2,75, 2,59
Tasks: 261 total,   2 running, 259 sleeping,   0 stopped,   0 zombie
%Cpu(s): 50,1 us,  4,6 sy,  0,0 ni, 45,1 id,  0,2 wa,  0,0 hi,  0,0 si,  0,0 st
KiB Mem:   7731228 total,  6252616 used,  1478612 free,   239548 buffers
KiB Swap: 15871996 total,        0 used, 15871996 free,  1451684 cached

  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND                                                                                                       
 2394 horacio   20   0 1929m 407m  44m S 126,3  5,4  80:07.62 compiz                                                                                                        
 5908 horacio   20   0 3242m 2,1g  59m S  60,2 28,6  30:27.73 firefox                                                                                                       
 1163 root      20   0  697m 433m  72m S  25,3  5,7  14:48.66 Xorg                                                                                                          
 6017 horacio   20   0  905m 263m  34m S   4,0  3,5   2:07.85 plugin-containe                                                                                               
 6669 horacio   20   0  707m  20m  13m S   3,0  0,3   0:01.31 gnome-terminal                                                                                                
 6989 horacio   20   0 24876 1708 1128 R   0,7  0,0   0:00.05 top                                                                                                           
 2374 horacio   20   0 20236  940  768 S   0,3  0,0   0:05.01 syndaemon                                                                                                     


That while doing nothing besides Firefox, if I open other programs it goes worse. The fun works without stop, it is definitively not normal.

When I start a Lubuntu session (no compiz), I have no problem.

Any idea? Any suggestion? Please?

Using Ubuntu 13.10 on a Dell XPS 13 Developer Edition, with an Intel
graphics card.

This is the result of lspci:

00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation QS77 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
01:00.0 Network controller: Intel Corporation Centrino Advanced-N 6235 (rev 24)

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: compiz 1:0.9.10+13.10.20131011-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-15.22-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
.tmp.unity.support.test.1:
 
ApportVersion: 2.12.5-0ubuntu2.1
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
Date: Thu Dec  5 15:16:48 2013
DistUpgraded: 2013-10-30 19:55:26,648 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
DkmsStatus:
 virtualbox, 4.2.16, 3.11.0-14-generic, x86_64: installed
 virtualbox, 4.2.16, 3.11.0-15-generic, x86_64: installed
 virtualbox-guest, 4.2.16, 3.11.0-14-generic, x86_64: installed
 virtualbox-guest, 4.2.16, 3.11.0-15-generic, x86_64: installed
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 2013-04-21 (227 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130402.1)
MachineType: Dell Inc. XPS L322X
MarkForUpload: True
PackageArchitecture: all
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-15-generic root=UUID=94cd6629-41df-4fcf-ae27-129739fbbabf ro quiet splash vt.handoff=7
SourcePackage: compiz
UpgradeStatus: Upgraded to saucy on 2013-10-30 (35 days ago)
dmi.bios.date: 08/28/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
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.:bvrA10:bd08/28/2013:svnDellInc.:pnXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: XPS L322X
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.49+git20131202.c3d96897-0ubuntu0sarvatt
version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.0-0ubuntu0sarvatt3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.0-0ubuntu0sarvatt3
version.xserver-xorg-core: xserver-xorg-core 2:1.14.4.901+git20131203+server-1.14-branch.c30db601-0ubuntu0sarvatt4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

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


** Tags: amd64 apport-bug compiz-0.9 saucy third-party-packages ubuntu

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https://bugs.launchpad.net/bugs/1258167

Title:
  Compiz - unusually high CPU usage on Ubuntu 13.10

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