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[madbiologist <579671@xxxxxxxxxxxxxxxxxx>]

Is this still occurring on Ubuntu 13.04 "Raring Ringtail"?

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https://bugs.launchpad.net/bugs/579671

Title:
  Display Corruption Using KMS on Radeon HD 3400

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  There are little green dashes across the screen randomly. This is on a
  Toshiba Satellite Pro laptop with an RV620 Radeon HD 3400 display.

  Throughout using Karmic this was absolutely fine using the Radeon
  driver. To get 3d support I started using the Xorg-edgers PPA and then
  3d support was fine too.

  Now from upgrading to Lucid the display corruption is there from
  Plymouth onwards. It does start off worse and then get slightly better
  on one laptop but on an identical laptop the corruption is slightly
  worse. Obviously the clocks are slightly off between laptops. It's
  still not perfect on any though.

  Using nomodeset on the kernel options sorts it out but then the
  virtual desktop has to be set before changing display properties.

  I've tested with the mainline kernel (2.6.34-999) which is exactly the
  same.

  As an aside, these Toshiba laptops seem to have a dodgy implementation
  of the RV620 - fglrx has always just hard-locked on X start, now this
  works but gives very bad display corruption. Using Windows on them is
  fine though so I can't blame the laptops specifically.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-22-generic 2.6.32-22.33
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-22-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  darrenm    1772 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd6500000 irq 22'
     Mixer name	: 'Realtek ALC268'
     Components	: 'HDA:10ec0268,1179ff1e,00100003 HDA:11c11040,11790001,00100200'
     Controls      : 18
     Simple ctrls  : 10
  Date: Wed May 12 21:57:42 2010
  HibernationDevice: RESUME=UUID=deb72699-9fb1-48d0-af64-b2a5a99e7a89
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406.1)
  MachineType: TOSHIBA Satellite Pro A300
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic root=UUID=bdbaba16-e57a-40fd-a959-a53824959e66 ro quiet splash
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_GB.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34
  SourcePackage: linux
  dmi.bios.date: 08/18/2008
  dmi.bios.vendor: INSYDE
  dmi.bios.version: 1.40
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Base Board Product Name
  dmi.board.vendor: Intel Corp.
  dmi.board.version: Base Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnINSYDE:bvr1.40:bd08/18/2008:svnTOSHIBA:pnSatelliteProA300:pvrPSAGDE-003003EN:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Satellite Pro A300
  dmi.product.version: PSAGDE-003003EN
  dmi.sys.vendor: TOSHIBA

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