Ubuntu
xserver-xorg-video-intel package

Dim LCD Screen After Blank Screensaver Activated

Bug #685767 reported by Wei-Yee Chan on 2010-12-06

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	xf86-video-intel	Fix Released	Unknown	debbugs #600405
	xserver-xorg-video-intel (Ubuntu)	Fix Released	Medium	Unassigned

Bug Description

Binary package hint: xserver-xorg-video-intel

Using Dell D420.

The LCD screen dimmed to the lowest level everytime blank screensaver was activated. Attempts to revert to the original brightness using function keys were futile.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-video-intel 2:2.13.901-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.37-7.19-generic 2.6.37-rc3
Uname: Linux 2.6.37-7-generic i686
Architecture: i386
DRM.card0.DVI.D.1:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
DRM.card0.LVDS.1:
status: connected
enabled: enabled
dpms: On
modes: 1280x800
edid-base64: AP///////wBMo1cxAAAAAAAPAQOAGhB4Cof1lFdPjCcnUFQAAAABAQEBAQEBAQEBAQEBAQEB7hoAgFAgEDAQMBMABaMQAAAZAAAADwAAAAAAAAAAADLSAjIAAAAA/gBGRjc0NAMxMjFXMQogAAAA/gAuP09ef7Df/wEBCiAgAIY=
DRM.card0.VGA.1:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
Date: Mon Dec 6 15:19:42 2010
InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: Dell Inc. Latitude D420
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
LANGUAGE=en_GB.UTF-8
LANG=en_GB.UTF-8
LC_MESSAGES=en_GB.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-7-generic root=UUID=04b093d9-ac23-4b2f-bba2-4994510bcead ro quiet splash
SourcePackage: xserver-xorg-video-intel
dmi.bios.date: 02/02/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: 0TJ984
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA06:bd02/02/2008:svnDellInc.:pnLatitudeD420:pvr:rvnDellInc.:rn0TJ984:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude D420
dmi.sys.vendor: Dell Inc.
glxinfo: Error: [Errno 2] No such file or directory
system:
distro: Ubuntu
codename: natty
architecture: i686
kernel: 2.6.37-7-generic

Tags:

Related branches

lp:ubuntu/natty/xserver-xorg-video-intel

Revision history for this message

Wei-Yee Chan (chanweiyee) wrote on 2010-12-06:

dim.png Edit (101.4 KiB, image/png)
BootDmesg.txt Edit (58.7 KiB, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (643 bytes, text/plain; charset="utf-8")
DRM.card0.SVIDEO.1.txt Edit (108 bytes, text/plain; charset="utf-8")
Dependencies.txt Edit (4.1 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (12.7 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (941 bytes, text/plain; charset="utf-8")
PciDisplay.txt Edit (1.3 KiB, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (1.4 KiB, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (1.7 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (3.4 KiB, text/plain; charset="utf-8")
RelatedPackageVersions.txt Edit (241 bytes, text/plain; charset="utf-8")
UdevDb.txt Edit (132.9 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (299.1 KiB, text/plain; charset="utf-8")
XorgLog.gz Edit (5.9 KiB, application/x-gzip)
XorgLogOld.gz Edit (6.0 KiB, application/x-gzip)
Xrandr.txt Edit (3.2 KiB, text/plain; charset="utf-8")
monitors.xml.txt Edit (639 bytes, text/plain; charset="utf-8")
peripherals.txt Edit (1.2 KiB, text/plain; charset="utf-8")
setxkbmap.txt Edit (233 bytes, text/plain; charset="utf-8")
xdpyinfo.txt Edit (9.6 KiB, text/plain; charset="utf-8")
xkbcomp.txt Edit (54.1 KiB, text/plain; charset="utf-8")

Revision history for this message

Wei-Yee Chan (chanweiyee) wrote on 2010-12-06:

dim.png Edit (127.2 KiB, image/png)

The following screenshot of the screensaver supersedes the previous screenshot, which is missing the screensaver window.

Revision history for this message

Wei-Yee Chan (chanweiyee) wrote on 2010-12-06:

IMG_3719.JPG Edit (558.6 KiB, image/jpeg)

The following photo, taken with a camera, shows the dim screen I'm seeing now.

Revision history for this message

Robert Hooker (sarvatt) wrote on 2010-12-06:

Looks like this might be the fix, commited just after the 2.13.901 release

http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=33c08882c0d551afb28baef643279901dcc65fa9

Changed in xserver-xorg-video-intel (Ubuntu):
importance:	Undecided → Medium
status:	New → Triaged

Revision history for this message

Bryce Harrington (bryce) wrote on 2010-12-06:

restore_backlight_at_mode_set.patch Edit (1.7 KiB, text/plain)

Wei-Yee Chan (chanweiyee) on 2010-12-06

Changed in xserver-xorg-video-intel (Ubuntu):
status:	Triaged → Confirmed

Brian Murray (brian-murray) on 2010-12-07

tags:

added: patch

Bug Watch Updater (bug-watch-updater) on 2010-12-08

Changed in xserver-xorg-video-intel:
status:	Unknown → Fix Released

Robert Hooker (sarvatt) on 2010-12-09

Changed in xserver-xorg-video-intel (Ubuntu):
status:	Confirmed → Triaged

bugbot (bugbot) on 2010-12-12

tags:

added: black-screen

Bryce Harrington (bryce) on 2010-12-13

Changed in xserver-xorg-video-intel (Ubuntu):
status:	Triaged → Fix Committed

Revision history for this message

Launchpad Janitor (janitor) wrote on 2010-12-13:

This bug was fixed in the package xserver-xorg-video-intel - 2:2.13.901-2ubuntu2

---------------
xserver-xorg-video-intel (2:2.13.901-2ubuntu2) natty; urgency=low

  * Add 106_restore_backlight_at_mode_set.patch: Force DPMS to On for all
    outputs, to match kernel behavior, and restore the backlight level on
    resume.
    (LP: #685767)
-- Bryce Harrington <email address hidden> Mon, 13 Dec 2010 15:26:39 -0800