I'm still curious why it would be that the issue isn't present in a clean
install of Xubuntu 11.04, but is a problem with Ubuntu 11.04, Fedora 15, and
Linux Mint 11.

On Sun, Jun 12, 2011 at 19:32, Martin Pool <email address hidden> wrote:

> That package does have the drawback that suspend/resume is broken: the
> machine sits there with the screen (or both screens) off, and
> unresponsive to keyboard input.  This was working correctly in the
> stock natty packages.
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (771713).
> https://bugs.launchpad.net/bugs/745112
>
> Title:
>  [arrandale] desktop is messed up (goes black) when laptop is docked
>  with two external 1920x1200 monitors (x86_64)
>
> Status in X.org xf86-video-intel:
>  Incomplete
> Status in “linux” package in Ubuntu:
>  Triaged
> Status in “xserver-xorg-video-intel” package in Ubuntu:
>  In Progress
>
> Bug description:
>  Binary package hint: unity
>
>  (I'm not sure where in the stack this problem really is, so I'm
>  guessing and picking on unity)
>
>  I have a Lenovo T410s laptop with Intel graphics and I use it with a
>  dock with two 1920x1200 monitors connected.  I'm running up-to-date
>  Natty.  If I boot the laptop with it already docked, everything works
>  perfectly: the two external monitors are used and I get a nice unity
>  desktop spanning my 3840x1200 space.
>
>  However, if I boot with the laptop undocked, log in, and then dock the
>  laptop, it breaks pretty badly.  Only one monitor is lit up, and I
>  just get a black screen with a mouse pointer there -- no desktop
>  background, windows, toolbars, or anything.  Once it's in this state,
>  it doesn't seem possible to recover -- if I undock the laptop again,
>  the internal screen just stays black with a pointer.
>
>  When the laptop is in a working state, undocking it sort of works...
>  the desktop switches to the laptop screen, but then redocking it acts
>  just like docking as described above.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.04
>  Package: unity 3.6.8-0ubuntu3
>  ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
>  Uname: Linux 2.6.38-7-generic x86_64
>  Architecture: amd64
>  CompizPlugins:
> [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,scale,session,unityshell]
>  CompositorRunning: compiz
>  DRM.card0.DP.1:
>   status: disconnected
>   enabled: disabled
>   dpms: Off
>   modes:
>   edid-base64:
>  DRM.card0.DP.2:
>   status: disconnected
>   enabled: disabled
>   dpms: Off
>   modes:
>   edid-base64:
>  DRM.card0.DP.3:
>   status: disconnected
>   enabled: disabled
>   dpms: Off
>   modes:
>   edid-base64:
>  DRM.card0.HDMI.A.1:
>   status: disconnected
>   enabled: disabled
>   dpms: Off
>   modes:
>   edid-base64:
>  DRM.card0.HDMI.A.2:
>   status: connected
>   enabled: enabled
>   dpms: On
>   modes: 1920x1200 1920x1080 1920x1080 1600x1200 1680x1050 1400x1050
> 1280x1024 1280x1024 1440x900 1360x768 1152x864 1280x720 1280x720 1024x768
> 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 720x576 720x480
> 640x480 640x480 640x480 640x480 720x400
>   edid-base64:
> AP///////wA4o1BnAQEBASUUAQOAOCN46pe1qVQ4riUTUFS/74CBwIGAkECLwJUAqUCzANEAKDyAoHCwI0AwIDYAMF4hAAAaAAAA/QAyTBpSEQAKICAgICAgAAAA/ABFQTI2MVdNCiAgICAgAAAA/wAwOTEwNjY4OE5BCiAgAV4CAQQAAR0AclHQHiBuKFUAMF4hAAAeAR0AvFLQHiC4KFVAMF4hAAAejgrQiiDgLRAQPpYAMF4hAAAYjArQkCBAMSAMQFUAMF4hAAAYAjqAGHE4LUBYLEUAMF4hAAAeAjqA0HI4LUAQLEWAMF4hAAAeAAAAAAAAAAAAAAAAAAAA/A==
>  DRM.card0.HDMI.A.3:
>   status: connected
>   enabled: enabled
>   dpms: On
>   modes: 1920x1200 1920x1080 1920x1080 1600x1200 1680x1050 1400x1050
> 1280x1024 1280x1024 1440x900 1360x768 1152x864 1280x720 1280x720 1024x768
> 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 720x576 720x480
> 640x480 640x480 640x480 640x480 720x400
>   edid-base64:
> AP///////wA4o1BnAQEBASUUAQOAOCN46pe1qVQ4riUTUFS/74CBwIGAkECLwJUAqUCzANEAKDyAoHCwI0AwIDYAMF4hAAAaAAAA/QAyTBpSEQAKICAgICAgAAAA/ABFQTI2MVdNCiAgICAgAAAA/wAwOTEwNjY5ME5BCiAgAWUCAQQAAR0AclHQHiBuKFUAMF4hAAAeAR0AvFLQHiC4KFVAMF4hAAAejgrQiiDgLRAQPpYAMF4hAAAYjArQkCBAMSAMQFUAMF4hAAAYAjqAGHE4LUBYLEUAMF4hAAAeAjqA0HI4LUAQLEWAMF4hAAAeAAAAAAAAAAAAAAAAAAAA/A==
>  DRM.card0.LVDS.1:
>   status: connected
>   enabled: enabled
>   dpms: Off
>   modes: 1440x900 1440x900
>   edid-base64:
> AP///////wAwrjZAAAAAAAASAQOAHhN46uWVk1ZPkCgoUFQAAAABAQEBAQEBAQEBAQEBAQEBwSmg5FGEGjAwIDYAL74QAAAZ3iKgLFGEfjAwIDYAL74QAAAZAAAADwCVCjKVCigeCQBMo0JUAAAA/gBMVE4xNDFCVDA4MDAxAMs=
>  DRM.card0.VGA.1:
>   status: disconnected
>   enabled: disabled
>   dpms: Off
>   modes:
>   edid-base64:
>  Date: Tue Mar 29 10:07:56 2011
>  DistUpgraded: Log time: 2010-12-12 14:04:29.713775
>  DistroCodename: natty
>  DistroVariant: ubuntu
>  EcryptfsInUse: Yes
>  GraphicsCard:
>   Intel Corporation Core Processor Integrated Graphics Controller
> [8086:0046] (rev 02) (prog-if 00 [VGA controller])
>     Subsystem: Lenovo Device [17aa:21c1]
>  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101206)
>  InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101206)
>  InstallationMedia__: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101206)
>  MachineType: LENOVO 2901CTO
>  ProcEnviron:
>   LANGUAGE=en_US:en
>   PATH=(custom, user)
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic
> root=UUID=ab1e5491-e40c-4113-bf20-22ecb604999a ro quiet splash vt.handoff=7
>  ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic 2.6.38
>  ProcVersionSignature__: Ubuntu 2.6.38-7.39-generic 2.6.38
>  Renderer: Unknown
>  SourcePackage: unity
>  UpgradeStatus: Upgraded to natty on 2011-03-24 (4 days ago)
>  dmi.bios.date: 10/27/2010
>  dmi.bios.vendor: LENOVO
>  dmi.bios.version: 6UET61WW (1.41 )
>  dmi.board.name: 2901CTO
>  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:bvr6UET61WW(1.41):bd10/27/2010:svnLENOVO:pn2901CTO:pvrThinkPadT410s:rvnLENOVO:rn2901CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
>  dmi.product.name: 2901CTO
>  dmi.product.version: ThinkPad T410s
>  dmi.sys.vendor: LENOVO
>  version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
>  version.libdrm2: libdrm2 2.4.23-1ubuntu5
>  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
>  version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
>  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
>  version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.14.0-4ubuntu4
>  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:0.0.16+git20110107+b795ca6e-0ubuntu6
>
>  [lspci]
>  Nux: lspci: 00:02.0 VGA compatible controller [0300]: Intel Corporation
> Core Processor Integrated Graphics Controller [8086:0046] (rev 02)
>
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>
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