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[Allan Jensen <556232@xxxxxxxxxxxxxxxxxx>]

Unfortunately I do not have this machine any longer so I cannot help
with more information regarding this issue.

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https://bugs.launchpad.net/bugs/556232

Title:
  Radeon HD 2600 - Dualscreen problem

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I've been running 10.04 since Alpha 2. I have a HP Compaq 8510p laptop with a Radeon HD 2600 GFX card. I've connected an extra screen (HP 19" - max resolution 1280x1024x60hz).
  Now, the dualscreen setup has been working flawlessly, until one of the fixes upgraded the kernel. Anything after 2.6.32-10-generic has been causing HSYNC problems on the extra screen. It looks like every other horizontally line is at least 1 pixel off horizontally, and this pattern scrolls downward, making the dual screen impossible to use.
  When I boot with grub, kernels <= 2.6.32-10-generic works perfect. Anything above causes this behaviour. Not only in X but also using the console (which per default seems to run some VESA graphics resolution), which leads me to believe there is something awry with the radeon kernel module or similar.
  I've checked /boot/grub/grub.cfg, but there is no difference between the boot entries.

  I hope the source of this can be found & fixed as I cannot go above
  any kernel revision >2.6.32-10-generic until it's fixed.

  Mainline kernel 2.6.34-999-generic #201004211003 works as normal.

  
  Git bisect revealed [bd53bbe184ca00326a3c21834f41cca7a7bdb6d4] UBUNTU: update DRM to mainline v2.6.33
   as the first failing commit.

  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: upstart 0.6.5-6
  ProcVersionSignature: Ubuntu 2.6.32-10.14-generic
  Uname: Linux 2.6.32-10-generic i686
  Architecture: i386
  Date: Tue Apr  6 08:18:51 2010
  ExecutablePath: /sbin/init
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100113)
  ProcAttrCurrent: unconfined (enforce)
  ProcEnviron: PATH=(custom, no user)
  SourcePackage: upstart
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  aje        1569 F.... pulseaudio
   /dev/snd/pcmC0D0p:   aje        1569 F...m pulseaudio
   /dev/snd/controlC1:  aje        1569 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xe4544000 irq 17'
     Mixer name	: 'Analog Devices AD1981'
     Components	: 'HDA:11d41981,103c30c5,00100200'
     Controls      : 12
     Simple ctrls  : 10
  Card1.Amixer.info:
   Card hw:1 'U0x46d0x8c9'/'USB Device 0x46d:0x8c9 at usb-0000:00:1a.7-2.4.1.2, full speed'
     Mixer name	: 'USB Mixer'
     Components	: 'USB046d:08c9'
     Controls      : 2
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Mic',0
     Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
     Capture channels: Mono
     Limits: Capture 0 - 3072
     Mono: Capture 0 [0%] [18.00dB] [on]
  Card2.Amixer.info:
   Card hw:2 'HDMI'/'HDA ATI HDMI at 0xe4410000 irq 17'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100000'
     Controls      : 4
     Simple ctrls  : 1
  Card2.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [off]
  DistroRelease: Ubuntu 10.04
  HibernationDevice: RESUME=UUID=c87e9de4-a625-4565-96e6-eeb74e84325f
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100113)
  MachineType: Hewlett-Packard HP Compaq 8510p
  Package: linux (not installed)
  PccardctlStatus:
   Socket 0:
     no card
   Socket 1:
     3.3V 16-bit PC Card
     Subdevice 0 (function 0) bound to driver "pata_pcmcia"
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-generic root=UUID=5fd33c47-7c79-441d-8836-b8244c33c2dd ro quiet splash
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_DK.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
  Regression: Yes
  RelatedPackageVersions: linux-firmware 1.33
  Reproducible: Yes
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
  Tags: lucid graphics regression-release needs-upstream-testing
  Uname: Linux 2.6.32-19-generic i686
  UserGroups:

  dmi.bios.date: 12/02/2008
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68MVD Ver. F.15
  dmi.board.name: 30C5
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 71.36
  dmi.chassis.asset.tag: CNU7470TD2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68MVDVer.F.15:bd12/02/2008:svnHewlett-Packard:pnHPCompaq8510p:pvrF.15:rvnHewlett-Packard:rn30C5:rvrKBCVersion71.36:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq 8510p
  dmi.product.version: F.15
  dmi.sys.vendor: Hewlett-Packard

  ---
  Architecture: i386
  CurrentDmesg:
   [   30.854012] hda-intel: IRQ timing workaround is activated for card #2. Suggest a bigger bdl_pos_adj.
   [   31.353044] eth0: no IPv6 routers present
  DistroRelease: Ubuntu 10.04
  DkmsStatus:
   dahdi, 2.2.1+dfsg-1ubuntu1, 2.6.32-15-generic, i686: installed  (WARNING! Diff between built and installed module!)
   dahdi, 2.2.1+dfsg-1ubuntu1, 2.6.32-16-generic, i686: installed  (WARNING! Diff between built and installed module!)
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100113)
  MachineType: Hewlett-Packard HP Compaq 8510p
  Package: xserver-xorg-video-ati 1:6.13.0-1ubuntu1
  PackageArchitecture: i386
  PccardctlStatus:
   Socket 0:
     no card
   Socket 1:
     3.3V 16-bit PC Card
     Subdevice 0 (function 0) bound to driver "pata_pcmcia"
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-generic root=UUID=5fd33c47-7c79-441d-8836-b8244c33c2dd ro quiet splash
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_DK.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
  Tags: lucid lucid
  Uname: Linux 2.6.32-19-generic i686
  UserGroups:

  dmi.bios.date: 12/02/2008
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68MVD Ver. F.15
  dmi.board.name: 30C5
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 71.36
  dmi.chassis.asset.tag: CNU7470TD2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68MVDVer.F.15:bd12/02/2008:svnHewlett-Packard:pnHPCompaq8510p:pvrF.15:rvnHewlett-Packard:rn30C5:rvrKBCVersion71.36:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq 8510p
  dmi.product.version: F.15
  dmi.sys.vendor: Hewlett-Packard
  glxinfo: Error: [Errno 2] No such file or directory
  make.log:
   DKMS make.log for dahdi-2.2.1+dfsg-1ubuntu1 for kernel 2.6.32-20-generic (i686)
   Tue Apr 13 14:50:27 CEST 2010
   You do not appear to have the sources for the 2.6.32-10-generic kernel installed.
   make: *** [modules] Error 1
  system:
   distro:             Ubuntu
   codename:           lucid
   architecture:       i686
   kernel:             2.6.32-19-generic

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