Mikko Rantalainen, this bug was reported a while ago and there hasn't
been any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p xserver-xorg-input-evdev REPLACE-WITH-BUG-NUMBER

Please note, given that the information from the prior release is
already available, doing this on a release prior to the development one
would not be helpful.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Changed in: xserver-xorg-input-evdev (Ubuntu)
   Importance: Undecided => Low

** Changed in: xserver-xorg-input-evdev (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/703673

Title:
  Display fails to correctly initialize if keyboard is not connected
  during boot

Status in “xserver-xorg-input-evdev” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: xorg

  Steps to reproduce:

  1. Shut down the computer if running.
  2. Disconnect USB keyboard connector (it does not matter if USB mouse is 
connected or not)
  3. Boot Ubuntu 10.04 LTS

  Expected results:

  System boots up normally, one cannot login with GDM until a USB
  keyboard is connected (because password cannot be typed without a
  keyboard).

  Actual results:

  System boots up to black screen / invalid scan frequency / DPMS power
  off / disconnected DVI port  (I don't know because I cannot diagnose
  the actual problem - at least my display goes to sleep and does not
  alert about invalid scan frequency). Hitting CTRL+ALT+F1 (or any other
  virtual console) does not end up getting the display up. I can still
  reboot the system with Alt+SysRq+B at will if I connect an USB
  keyboard..

  Hardware:
  Motherboard: Intel DG45ID
  Display: HP ZR24w connected with a single link DVI connector running at 
1920x1200@60 (correctly detected if booted with keyboard attached, uses KMS at 
least in normal boot process)
  Keyboard: Logitech "Deluxe 250" (basic 105 button USB keyboard) normally 
connected via HP ZR24w
  Mouse: Logitech RX 250 connected via HP ZR24w

  Note that the problem occurs only if boot without USB keyboard
  connected at all so the problem is not using the display as USB hub.
  Also note that this motherboard does not have any legacy connectors
  (IDE or PS/2) and I've tried with both USB legacy support enabled and
  disabled.

  I'd expect that the system could boot up without display, keyboard or
  mouse and any of those could be hot-plugged in. Perhaps I've
  misunderstood the currently supported features?

  The system had originally a CRT display connected via DVI-I/VGA
  adapter and has been upgraded to current display with DVI-D
  connection.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: xorg 1:7.5+5ubuntu1
  ProcVersionSignature: Ubuntu 2.6.31-11.154-rt
  Uname: Linux 2.6.31-11-rt x86_64
  Architecture: amd64
  Date: Sun Jan 16 21:09:56 2011
  DkmsStatus: Error: [Errno 2] No such file or directory
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Alpha amd64 (20091008)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-11-rt 
root=UUID=9c704d29-1d50-4273-b689-bc88f2e8368d ro 
resume=UUID=609d4e01-862b-4199-bd45-ad8841f8c8c3 quiet splash
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_DK.utf8
   SHELL=/bin/bash
  SourcePackage: xorg
  Symptom: display
  dmi.bios.date: 02/09/2010
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: IDG4510H.86A.0127.2010.0209.1609
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DG45ID
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAE27729-307
  dmi.chassis.type: 3
  dmi.modalias: 
dmi:bvnIntelCorp.:bvrIDG4510H.86A.0127.2010.0209.1609:bd02/09/2010:svn:pn:pvr:rvnIntelCorporation:rnDG45ID:rvrAAE27729-307:cvn:ct3:cvr:
  system:
   distro:             Ubuntu
   codename:           lucid
   architecture:       x86_64
   kernel:             2.6.31-11-rt

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