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[Bug 776904] [NEW] Application windows not redrawn, appears unresponsive


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Binary package hint: xorg

Yesterday I upgraded to Natty. Unity was counterproductive for my usage,
so I switched back to gnome-classic interface. I haven't reproduced this
in unity. I didn't really try.

In normal use, application interfaces frozen very often. At first I thought this was an input problem, but if I resize a frozen window, I notice that it has accepted all my input and appears normal. So to me it seems that windows just fail to invalidate and/or redraw themselves.
This happens most often after alt-tabbing from application to another. 
This is not consistent thought. I haven't been able to pin-point what exactly causes this. 

I have been able to continue using an application every time it has
appeared frozen this way, after I resize the window. So, atleast that
seems consistent :P

I do understand that this might be a gnome problem and not X.org problem, but without further expertise I am unable to correctly address this bug report. Feel free to reassign as you see fit.
Thanks for the great work!

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae
Uname: Linux 2.6.38-8-generic-pae i686
NonfreeKernelModules: fglrx
Architecture: i386
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Wed May  4 08:30:33 2011
DistUpgraded: Log time: 2011-05-03 09:42:58.379562
DistroCodename: natty
DistroVariant: ubuntu
 ATI Technologies Inc Mobility Radeon HD 3650 [1002:9591] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:30e7]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
JockeyStatus: xorg:fglrx - ATI/AMD proprietary FGLRX graphics driver (Proprietary, Enabled, In use)
MachineType: Hewlett-Packard HP EliteBook 8530p
 Socket 0:
   product info: "RICOH", "Bay8Controller", "", ""
   manfid: 0x0000, 0x0000
   function: 254 (unknown)
 Socket 0:
   3.3V 16-bit PC Card
   Subdevice 0 (function 0) bound to driver "pata_pcmcia"
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic-pae root=UUID=0069e80f-a844-4df7-a5f5-334a2dd6d4f6 ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to natty on 2011-05-03 (0 days ago)
dmi.bios.date: 06/08/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PDV Ver. F.12
dmi.board.name: 30E7
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 90.27
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PDVVer.F.12:bd06/08/2010:svnHewlett-Packard:pnHPEliteBook8530p:pvrF.12:rvnHewlett-Packard:rn30E7:rvrKBCVersion90.27:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8530p
dmi.product.version: F.12
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.fglrx-installer: fglrx-installer N/A
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

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

** Tags: apport-bug compiz-0.9 freeze i386 natty regression-update ubuntu
Application windows not redrawn, appears unresponsive
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