I've found something that may be useful both for diagnosis and as a workaround.
If you define a "display-setu-script" in the lightdm configuration, like this: [SeatDefaults] display-setup-script=/path/to/display-setup.sh and put this command in the "display-setup.sh": xset dpms 120 125 130 this does NOT fix the problem. But, if you write instead: ( sleep 10 xset dpms 120 125 130 ) & it DOES help, i.e. login screen goes dark after two minutes. Apparently, it implies that "something" that is started as a part of the greeter "session", i.e. the greeter itself, or one of the indicators, resets the DPMS settings. In the meanwhile, my display-setup script may be used as a workaround by those who need it. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1245474 Title: [regression] on login screen, monitor stays on forever Status in Light Display Manager: Confirmed Status in The Ubuntu Power Consumption Project: Confirmed Status in Unity Greeter: New Status in “lightdm” package in Ubuntu: Confirmed Bug description: I am not sure which package sould be responsible for that, probably either xorg-server or lightdm. Previously, up to raring, when you left the computer alone while it was showing the login screen (lightdm in my case), the monitor would turn off after five or ten minutes. Since upgrade from raring to saucy, monitor stays on indefinitely, after boot and after logout likewise. This is on two machines, one a notebook with Intel graphics, another desktop with Radeon using open source driver. I guess maybe setting up DPMS got broken in the process of migration to Mir and back to xorg. --- .tmp.unity.support.test.0: ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true DistUpgraded: 2013-10-26 13:27:24,614 DEBUG enabling apt cron job DistroCodename: saucy DistroRelease: Ubuntu 13.10 DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7660D] [1002:9901] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:8526] MachineType: System manufacturer System Product Name MarkForUpload: True Package: xorg-server (not installed) ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-13-generic root=UUID=72283a55-e0f7-4036-af5e-be1174497a35 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6 Tags: saucy ubuntu compiz-0.9 Uname: Linux 3.11.0-13-generic x86_64 UpgradeStatus: Upgraded to saucy on 2013-10-26 (2 days ago) UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare video dmi.bios.date: 10/09/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 5105 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: F2A85-M LE dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5105:bd10/09/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnF2A85-MLE:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.46-1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1 xserver.bootTime: Mon Oct 28 12:00:05 2013 xserver.configfile: /etc/X11/xorg.conf xserver.errors: Failed to load /usr/lib/xorg/modules/drivers/fglrx_drv.so: /usr/lib/xorg/modules/drivers/fglrx_drv.so: cannot open shared object file: No such file or directory Failed to load module "fglrx" (loader failed, 7) Failed to load /usr/lib/xorg/modules/drivers/fglrx_drv.so: /usr/lib/xorg/modules/drivers/fglrx_drv.so: cannot open shared object file: No such file or directory Failed to load module "fglrx" (loader failed, 7) xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.14.3-3ubuntu2 xserver.video_driver: radeon To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1245474/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
