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[Bug 734756] [NEW] Blank screen when booting with external monitor

 

Public bug reported:

Binary package hint: xorg

When booting with external monitor connected and switched on (with or without the laptop lid closed) most of the time I get a black screen after gdm starts. 
However booting with the external monitor connected but switched off I get the correct gnome-desktop on the internal monitor.. Then switching on the external screen after logging in gives me desktops on both internal and external monitor. As expected.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6~3ubuntu11
ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
Uname: Linux 2.6.38-6-generic x86_64
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
DRM.card0.DP.1:
 status: connected
 enabled: enabled
 dpms: Off
 modes: 1920x1200 1920x1080 1600x1200 1680x1050 1280x1024 1440x900 1280x960 1024x768 800x600 640x480
 edid-base64: AP///////wAi8GkoAQEBAQMVAQSlNiN4LvyBpFVNnSUSUFQhCACBQIGAlQCpQLMA0cABAQEBKDyAoHCwI0AwIDYAImAhAAAaAAAA/QA7PRhQEQAKICAgICAgAAAA/ABIUCBaUjI0dwogICAgAAAA/wBDTlQxMDMxNDRQCiAgAD4=
DRM.card0.DP.2:
 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: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.eDP.1:
 status: connected
 enabled: enabled
 dpms: Off
 modes: 1280x800 1280x800
 edid-base64: AP///////wAw5E8CAAAAAAAUAQSAGhB4ArqVl1lVjCchUFQAAAABAQEBAQEBAQEBAQEBAQEBEhsAgFAgFDAYIEQABKAQAAAYcBIAgFAgIDAYINQABKAQAAAYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgAPROUMPGQYFidkAAAAAGY=
Date: Mon Mar 14 11:06:04 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus: vboxhost, 4.0.4, 2.6.38-6-generic, x86_64: installed
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:7008]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
MachineType: Hewlett-Packard HP EliteBook 2540p
PccardctlIdent:
 Socket 0:
   product info: "RICOH", "Bay8Controller", "", ""
   manfid: 0x0000, 0x0000
   function: 254 (unknown)
PccardctlStatus:
 Socket 0:
   3.3V 16-bit PC Card
   Subdevice 0 (function 0) bound to driver "pata_pcmcia"
ProcEnviron:
 LANGUAGE=sv_SE:en_US:en
 LANG=en_US.UTF-8
 LC_MESSAGES=sv_SE.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-6-generic root=UUID=7610eb02-7d84-482a-b9f2-4f8d34f504f5 ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/09/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CSU Ver. F.04
dmi.board.name: 7008
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 38.2E
dmi.chassis.asset.tag: CZC0325547
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68CSUVer.F.04:bd07/09/2010:svnHewlett-Packard:pnHPEliteBook2540p:pvr:rvnHewlett-Packard:rn7008:rvrKBCVersion38.2E:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 2540p
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.4-0ubuntu4
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu1
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu5

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


** Tags: amd64 apport-bug natty ubuntu

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https://bugs.launchpad.net/bugs/734756

Title:
  Blank screen when booting with external monitor



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References