Thank you for reporting this bug to Ubuntu. Ubuntu 15.10 (wily) reached end-of-life on July 28, 2016.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: xorg (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1490229 Title: Brightness set to maximum after DPMS standby Status in xorg package in Ubuntu: Won't Fix Bug description: After configuring screen energy saving in KDE, I noticed that after DPMS standby, my screen brightness is set to maximum. This is confirmed by `cat /sys/class/backlight/intel_backlight/brightness`. The problem can be easily reproduce by switching to standby manually using `xset dpms force standby`. Steps to reproduce: 1) echo "300" | sudo tee /sys/class/backlight/intel_backlight/brightness 2) cat /sys/class/backlight/intel_backlight/brightness This will report: 300 3) xset dpms force standby 4) Move mouse/press key 5) cat /sys/class/backlight/intel_backlight/brightness This will report 937 ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: xorg 1:7.7+7ubuntu4 ProcVersionSignature: Ubuntu 4.1.0-3.3-generic 4.1.3 Uname: Linux 4.1.0-3-generic x86_64 ApportVersion: 2.18-0ubuntu7 Architecture: amd64 CurrentDesktop: KDE Date: Sat Aug 29 21:26:27 2015 InstallationDate: Installed on 2015-08-10 (20 days ago) InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150809) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) --- ApportVersion: 2.18.1-0ubuntu1 Architecture: amd64 BootLog: enabled, not active CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: KDE DistUpgraded: Fresh install DistroCodename: wily DistroRelease: Ubuntu 15.10 DistroVariant: kubuntu DkmsStatus: virtualbox, 5.0.4, 4.2.0-10-generic, x86_64: installed virtualbox, 5.0.4, 4.2.0-7-generic, x86_64: installed ExtraDebuggingInterest: No GraphicsCard: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a2e] (rev 09) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:13bd] InstallationDate: Installed on 2015-08-10 (40 days ago) InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150809) Lsusb: Bus 001 Device 005: ID 03eb:8a0c Atmel Corp. Bus 001 Device 004: ID 1bcf:2987 Sunplus Innovation Technology Inc. Bus 001 Device 003: ID 8087:07dc Intel Corp. Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: ASUSTeK COMPUTER INC. UX301LAA Package: xorg 1:7.7+7ubuntu4 PackageArchitecture: amd64 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-10-generic.efi.signed root=UUID=103e34fc-23b4-497c-ac6b-791d423bee52 ro quiet splash acpi_osi= i915.powersave=1 i915.semaphores=1 i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 drm.vblankoffdelay=1 vt.handoff=7 ProcVersionSignature: Ubuntu 4.2.0-10.12-generic 4.2.0 Tags: wily kubuntu single-occurrence reproducible has-workaround has-fix UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.2.0-10-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo XorgConf: Section "Extensions" Option "Composite" "Disabled" EndSection _MarkForUpload: True dmi.bios.date: 05/08/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX301LAA.209 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX301LAA dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX301LAA.209:bd05/08/2014:svnASUSTeKCOMPUTERINC.:pnUX301LAA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX301LAA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: UX301LAA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. version.compiz: compiz N/A version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.64-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.3-1ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.3-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3 xserver.bootTime: Sat Sep 19 18:26:05 2015 xserver.configfile: /etc/X11/xorg.conf xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 5126 vendor SHP xserver.version: 2:1.17.2-1ubuntu7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1490229/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp