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[bugbot <566074@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  Binary package hint: xorg
  
  When resuming from suspend or hibernation, X does not check if the
  monitor configuration has changed. This can leave the system unable to
  be used because a new monitor is not activated.
  
  Steps to reproduce:
  1. Operate laptop on a docking station with external monitor. The laptop lid should be closed.
  2. Suspend Ubuntu.
  3. Undock laptop.
  4. Open lid and resume Ubuntu.
  
  Result:
  The laptop monitor remains off even though the system resumes leaving the system unusable. The only recourse is to hard power off which crashes the session and loses all open data.
  
  Expected result:
  Upon resume, Ubuntu should notice that the monitor configuration has changed and should retarget the display to the laptop screen.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: xorg 1:7.5+5ubuntu1
  ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-21-generic x86_64
  Architecture: amd64
  Date: Sun Apr 18 09:34:05 2010
  DkmsStatus: virtualbox-ose, 3.1.6, 2.6.32-21-generic, x86_64: installed
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  MachineType: Hewlett-Packard HP EliteBook 6930p
  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"
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=3c066ef8-c042-4116-976c-c782323609ce ro quiet splash
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: xorg
  dmi.bios.date: 12/08/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68PCU Ver. F.16
  dmi.board.name: 30DB
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 87.2A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68PCUVer.F.16:bd12/08/2009:svnHewlett-Packard:pnHPEliteBook6930p:pvrF.16:rvnHewlett-Packard:rn30DB:rvrKBCVersion87.2A:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP EliteBook 6930p
  dmi.product.version: F.16
  dmi.sys.vendor: Hewlett-Packard
  system:
   distro:             Ubuntu
   codename:           lucid
   architecture:       x86_64
   kernel:             2.6.32-21-generic
+ 
+ [lspci]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
+     	Subsystem: Hewlett-Packard Company Device [103c:30db]

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https://bugs.launchpad.net/bugs/566074

Title:
  X should look for new monitors when resuming from sleep or hibernation