I'm have Ubuntu Raring, but I don't watch this bug.
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https://bugs.launchpad.net/bugs/1073372
Title:
Xorg produces high CPU usage, slow gnome-terminal
Status in “cairo” package in Ubuntu:
Confirmed
Bug description:
Thinkpad X220 (Intel video, chipsets, etc)
After a few days of uptime and usage on this laptop, the xorg process
will start randomly (but consistently over time) producing high CPU
usage, even with all applications closed. CPU according to top will
vary between about 10% and 90%, and at high CPU times, the system fans
will be running rather high. Also, the UIs will slow down and there
will be a lot of latency on keypresses (sometimes up to 1 second),
with the occasional loss of keypresses. In gnome-terminal, this has
the effect of feeling like you're over a cellular modem, even on a
local terminal.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
CompizPlugins:
[core,composite,opengl,decor,vpswitch,move,gnomecompat,compiztoolbox,imgpng,mousepoll,regex,place,snap,unitymtgrabhandles,resize,grid,session,animation,workarounds,expo,wall,ezoom,fade,scale,unityshell]
CompositorRunning: compiz
Date: Tue Oct 30 16:30:09 2012
DistUpgraded: 2012-09-15 22:41:29,902 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus: virtualbox, 4.1.18, 3.5.0-17-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21da]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
Lsusb:
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0a5c:217f Broadcom Corp. Bluetooth Controller
MachineType: LENOVO 4286CTO
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-17-generic
root=/dev/mapper/hostname-root ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to quantal on 2012-09-16 (44 days ago)
dmi.bios.date: 04/25/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET61WW (1.31 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4286CTO
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:bvr8DET61WW(1.31):bd04/25/2012:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4286CTO
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.8.4-0ubuntu3
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.2-0ubuntu3
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