No backlight after opening the lid

[pele23]

Binary package hint: xorg
The backlight doesn't get restored after opening the lid. But system seems to work.

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
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Apr 27 12:26:17 2010
DkmsStatus: nvidia-current, 195.36.15, 2.6.32-21-generic, x86_64: installed
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate amd64 (20100419.1)
MachineType: Hewlett-Packard HP EliteBook 8440p
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=/vmlinuz-2.6.32-21-generic root=UUID=1ba46b13-a8e2-4f21-8a0d-01bfa3f53893 ro nomodeset quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 03/22/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CCU Ver. F.06
dmi.board.name: 172B
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 30.29
dmi.chassis.asset.tag: CZC0135MFG
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68CCUVer.F.06:bd03/22/2010:svnHewlett-Packard:pnHPEliteBook8440p:pvr:rvnHewlett-Packard:rn172B:rvrKBCVersion30.29:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8440p
dmi.sys.vendor: Hewlett-Packard
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-21-generic

[pele23 (tompelka)]

xset dpms force on

work fine.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[dino99 (9d9)]

That version is no more supported; please open a new bug report if the actual archive found version also has the same issue.