Unity

Screen brightness not restored after turning screen off (by inactivity)

Bug #1310540 reported by kolen on 2014-04-21

This bug affects 2 people

	Status	Importance	Assigned to
Unity	Confirmed	Undecided	Unassigned
gnome-power	New	Medium	gnome-bugs #665055
unity (Ubuntu)	Fix Committed	Undecided	Sushmita

Bug Description

Encountered that after screen is turned off by inactivity, then after restoring, its brightness was very dim. After looking into "Brightness and lock" settings panel, discovered that "Brightness" was set to 0.

Seems that related to "Dim screen to save power" functionality.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity 7.2.0+14.04.20140416-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Mon Apr 21 13:51:45 2014
DistUpgraded: 2014-04-18 14:17:57,332 DEBUG enabling apt cron job
DistroCodename: trusty
DistroVariant: ubuntu
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] RV710/M92 [Mobility Radeon HD 4530/4570/545v] [1002:9553] (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21bb]
InstallationDate: Installed on 2013-10-23 (180 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: LENOVO 4403RP2
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=1caa7d75-3528-4d6a-a5b2-696009d4b990 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to trusty on 2014-04-18 (2 days ago)
dmi.bios.date: 12/08/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 81ET60WW (1.36 )
dmi.board.name: 4403RP2
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr81ET60WW(1.36):bd12/08/2011:svnLENOVO:pn4403RP2:pvrThinkPadL412:rvnLENOVO:rn4403RP2:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4403RP2
dmi.product.version: ThinkPad L412
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Mon Apr 21 12:01:33 2014
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.1-0ubuntu2
xserver.video_driver: radeon

See original description

Tags:

Revision history for this message

kolen (incredible-angst) wrote on 2014-04-21:

Screenshot - 21.04.2014 - 13:56:01.png Edit (35.0 KiB, image/png)
BootDmesg.txt Edit (74.0 KiB, text/plain; charset="utf-8")
BootLog.txt Edit (4.5 KiB, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (2.9 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (31.6 KiB, text/plain; charset="utf-8")
DpkgLog.txt Edit (2.6 MiB, text/plain; charset="utf-8")
GconfCompiz.txt Edit (45.6 KiB, text/plain; charset="utf-8")
LightdmDisplayLog.txt Edit (2.4 KiB, text/plain; charset="utf-8")
LightdmGreeterLog.txt Edit (1.1 KiB, text/plain; charset="utf-8")
LightdmGreeterLogOld.txt Edit (1.1 KiB, text/plain; charset="utf-8")
LightdmLog.txt Edit (9.0 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (18.2 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (708 bytes, text/plain; charset="utf-8")
MonitorsUser.xml.txt Edit (1.0 KiB, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (3.3 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (335 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.2 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (3.4 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (154.4 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (330.6 KiB, text/plain; charset="utf-8")
UnitySupportTest.txt Edit (571 bytes, text/plain; charset="utf-8")
XorgLog.txt Edit (72.8 KiB, text/plain; charset="utf-8")
XorgLogOld.txt Edit (77.3 KiB, text/plain; charset="utf-8")
Xrandr.txt Edit (7.5 KiB, text/plain; charset="utf-8")
xdpyinfo.txt Edit (59.3 KiB, text/plain; charset="utf-8")
xserver.devices.txt Edit (615 bytes, text/plain; charset="utf-8")
xserver.outputs.txt Edit (992 bytes, text/plain; charset="utf-8")

Revision history for this message

kolen (incredible-angst) wrote on 2014-04-21:

Seems that occurs every time.

kolen (incredible-angst) on 2014-04-21

description:

updated

Bug Watch Updater (bug-watch-updater) on 2014-04-21

Changed in gnome-power:
importance:	Unknown → Medium
status:	Unknown → New

Revision history for this message

Launchpad Janitor (janitor) wrote on 2014-05-06:

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

Changed in unity (Ubuntu):
status:	New → Confirmed

Marco Trevisan (Treviño) (3v1n0) on 2014-07-24

Changed in unity:
status:	New → Confirmed

Sushmita (sush-patil-mita) on 2015-11-20

Changed in unity (Ubuntu):
assignee:	nobody → Sushmita (sush-patil-mita)
status:	Confirmed → Fix Committed

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