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[Lucian Adrian Grijincu <lucian.grijincu@xxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

I have a dual screen setup:
 * Dell Latitude's D820 own screen (1680x1050)
 * a LG secondary monitor (1280x1024)

To enable dual screen, I had to add 
	SubSection "Display"
		Virtual	2960 1065
	EndSubSection
in Section "Screen" of /etc/X11/xorg.conf (this was added automatically by the "Display" applet).

I just ran a dist-upgrade which brought a new kernel:
   Linux lethe 2.6.30-7-generic #8-Ubuntu SMP Mon May 25 13:53:42 UTC 2009 i686 GNU/Linux
and a new xserver-xorg-video-intel:
   gringo@lethe:~$ apt-cache policy xserver-xorg-video-intel
   xserver-xorg-video-intel: 2:2.7.99.1+git20090602.ec2fde7c-0ubuntu1

I rebooted the system, and after the system started I was left with a
blank background and a working mouse pointer (by working I mean I can
move it around and between the screens).

I Alt+Ctlr+F2'd and tried a few times to restart gdm but found the same result.
I removed the Subsection I mentioned above from xorg.conf and restarted gdm again. This time the menu and task-bar have loaded, but the screens are mirrored.

I proceeded to setting them as separate screens in the "Display" applet
(from System->Preferences). I was notified that the "Virtual" line was
going to be added to xorg.conf and that I should log out and in again,
which I did. Unfortunately I had the same blank screen with functional
mouse pointer.

I mention that I do not have Desktop Effects enabled as they are not
supported in combination with the "Virtual" line in xorg.conf for my
card: 00:02.0 VGA compatible controller: Intel Corporation Mobile
945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)

ProblemType: Bug
Architecture: i386
Date: Wed Jun  3 23:21:33 2009
DistroRelease: Ubuntu 9.10
MachineType: Dell Inc. Latitude D820
Package: xserver-xorg-video-intel 2:2.7.99.1+git20090602.ec2fde7c-0ubuntu1
ProcCmdLine: root=UUID=04f2beb3-eaec-4174-bbd9-5d37c19979fb ro quiet splash
ProcEnviron:
 PATH=(custom, no user)
 LANG=ro_RO.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.30-7.8-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4~5ubuntu20
 libgl1-mesa-glx 7.4.1-1ubuntu1
 libdrm2 2.4.11-0ubuntu1
 xserver-xorg-video-intel 2:2.7.99.1+git20090602.ec2fde7c-0ubuntu1
 xserver-xorg-video-ati 1:6.12.2-1ubuntu1
SourcePackage: xserver-xorg-video-intel
Uname: Linux 2.6.30-7-generic i686
dmi.bios.date: 10/13/2006
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0GF470
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA04:bd10/13/2006:svnDellInc.:pnLatitudeD820:pvr:rvnDellInc.:rn0GF470:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude D820
dmi.sys.vendor: Dell Inc.
fglrx: Not loaded
fglrx-loaded: Error: command ['grep', 'fglrx', '/var/log/kern.log', '/proc/modules'] failed with exit code 1:
system:
 distro:             Ubuntu
 architecture:       i686kernel:             2.6.30-7-generic

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

-- 
dual screen not working: just a blank screen with a mouse pointer
https://bugs.launchpad.net/bugs/383345
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