It was the bad PAT after resume bug.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/707537
Title:
[gm45] Graphic slow after laptop display turned off
Status in “xserver-xorg-video-intel” package in Ubuntu:
Fix Released
Bug description:
Binary package hint: xorg
When I leave the laptop and turn back when screen got black (blanked
by laptop bios and not by screensaver) moving the mouse or pressing a
key to wake it up, I can see graphics is very slow (switching between
windows, changing desktop etc).
Steps to reproduce:
1. Disable screensaver
2. Wait until screen becomes dark
3. Move the mouse or press a key
Graphic performance is slow and Xorg consumes a notable amount of
processor time.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-27.49-generic-pae 2.6.32.26+drm33.12
Uname: Linux 2.6.32-27-generic-pae i686
Architecture: i386
Date: Tue Jan 25 18:31:18 2011
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: Dell Inc. Latitude E5500
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-27-generic-pae
root=UUID=0c5230d6-05d2-47c8-9325-347fe42d71f9 ro quiet splash
ProcEnviron:
LC_TIME=en_DK.utf8
LANGUAGE=en
PATH=(custom, no user)
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: xorg
XorgConf:
Section "Monitor"
Identifier "TV1"
Option "Ignore" "True"
EndSection
dmi.bios.date: 04/15/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0DW634
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA11:bd04/15/2009:svnDellInc.:pnLatitudeE5500:pvr:rvnDellInc.:rn0DW634:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E5500
dmi.sys.vendor: Dell Inc.
glxinfo: Error: [Errno 2] No such file or directory
system:
distro: Ubuntu
codename: lucid
architecture: i686
kernel: 2.6.32-27-generic-pae
[lspci]
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
Subsystem: Dell Device [1028:0263]
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