compiz team mailing list archive

[George <980195@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Does anybody else encounter the bug where if you use the drivers
installed by Jockey and the screen goes into sleep (blacks out) that
compiz then maxes one of the cores of the CPU?

I am running 12.04 on a Dell laptop with an ATI display. If I use the
proprietary driver this happens as soon as the screen blacks out. This
makes the laptop to become hot and noisy as well as the battery doesn't
last.

The problem is that as soon as you move the mouse or press a key the
screen comes on and then compiz usage returns to normal. The only way to
verify this bug that I know of is to log in via ssh to the machine which
screen has gone into standby mode and then run htop.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
 
ApportVersion: 2.0.1-0ubuntu2
Architecture: amd64
CompizPlugins: [core,composite,opengl,decor,imgpng,regex,gnomecompat,vpswitch,animation,obs,unitymtgrabhandles,workarounds,mousepoll,compiztoolbox,place,move,wall,grid,resize,session,expo,snap,ezoom,fade,scale,unityshell]
CompositorRunning: compiz
Date: Thu Apr 12 21:29:13 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 3.2.0-22-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 3.2.0-23-generic, x86_64: installed
 vboxhost, 4.1.12, 3.2.0-22-generic, x86_64: installed
 vboxhost, 4.1.12, 3.2.0-23-generic, x86_64: installed
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI Manhattan [Mobility Radeon HD 5400 Series] [1002:68e0] (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:0413]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120405)
MachineType: Dell Inc. Studio 1558
ProcEnviron:
 LANGUAGE=en_ZA:en
 PATH=(custom, no user)
 LANG=en_ZA.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=df1d4d1b-c042-4fce-ba1c-d3c114e271d8 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/12/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0874P6
dmi.board.vendor: Dell Inc.
dmi.board.version: A11
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A11
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd10/12/2010:svnDellInc.:pnStudio1558:pvrA11:rvnDellInc.:rn0874P6:rvrA11:cvnDellInc.:ct8:cvrA11:
dmi.product.name: Studio 1558
dmi.product.version: A11
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.7.4-0ubuntu3
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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


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

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https://bugs.launchpad.net/bugs/980195

Title:
  ATI and Compiz max cpu usage when screen in standby mode bug

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