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[bugbot <707746@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  Sections of the screen (randomly) are not properly updated when changed.
  This is very annoying since i have to minimize/maximize the affected
  window to force the "refreshing".
  
  This happens esporadically and sometimes scrolling up and down a bit, or
  minimizing and restoring, or moving, etc. force to refresh that specific
  part of the screen.
  
  I think this could be a bug in the 64 bit version of the display driver,
  since i have a friend which owns the exact same notebook (we bought it
  together, it's a Thinkpad Edge 13'' (Intel Version) model 0196, which
  comes with an Intel 4500 MHD chipset ) and he installed Ubuntu 32-bit
  and he doesn't experience this.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: linux-image-2.6.35-24-generic 2.6.35-24.42
  Regression: No
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
  Uname: Linux 2.6.35-24-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  frapell    1774 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0800000 irq 48'
     Mixer name	: 'Intel Cantiga HDMI'
     Components	: 'HDA:14f15066,17aa21b4,00100300 HDA:80862802,80860101,00100000'
     Controls      : 12
     Simple ctrls  : 7
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 6YHT21WW-1.166000'
     Mixer name	: 'ThinkPad EC 6YHT21WW-1.166000'
     Components	: ''
     Controls      : 1
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Tue Jan 25 22:14:08 2011
  HibernationDevice: RESUME=UUID=7641694b-fc9a-4510-ace0-8d0e858b6687
  HotplugNewDevices:
   
  HotplugNewMounts:
   
  InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MachineType: LENOVO 0196A13
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-24-generic root=UUID=7ac5794f-c93a-422a-9083-e95982d262b3 ro quiet splash
  ProcEnviron:
   LANGUAGE=es_AR
   PATH=(custom, no user)
   LANG=es_AR.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.38
  SourcePackage: linux
  Symptom: storage
  UdevMonitorLog:
   monitor will print the received events for:
   UDEV - the event which udev sends out after rule processing
  UdisksMonitorLog: Monitoring activity from the disks daemon. Press Ctrl+C to cancel.
  dmi.bios.date: 03/05/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6YET29WW (1.12 )
  dmi.board.name: 0196A13
  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:bvr6YET29WW(1.12):bd03/05/2010:svnLENOVO:pn0196A13:pvrThinkPadEdge:rvnLENOVO:rn0196A13:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 0196A13
  dmi.product.version: ThinkPad Edge
  dmi.sys.vendor: LENOVO
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
+     	Subsystem: Lenovo Device [17aa:21b4]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
+     	Subsystem: Lenovo Device [17aa:21b4]

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https://bugs.launchpad.net/bugs/707746

Title:
  Some parts of the screen are not updated