I recall this issue was a problem for Unity desktops. Although I expect a different package is to blame (please reassign).
I think it's fixed in Gnome Shell though. ** Package changed: xorg (Ubuntu) => unity (Ubuntu) -- 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/1818587 Title: Screen lock timeout not working Status in unity package in Ubuntu: New Bug description: The screen off & lock timeout is not working. Although, I tested the sleep timeout and It is working ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu7.1 ProcVersionSignature: Ubuntu 4.15.0-45.48-generic 4.15.18 Uname: Linux 4.15.0-45-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.9-0ubuntu7.5 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' 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:Unity7:ubuntu Date: Tue Mar 5 04:45:22 2019 DistUpgraded: Fresh install DistroCodename: bionic DistroVariant: ubuntu DkmsStatus: anbox, 1, 4.15.0-29-generic, x86_64: installed anbox, 1, 4.15.0-45-generic, x86_64: installed virtualbox, 5.2.10, 4.15.0-29-generic, x86_64: installed virtualbox, 5.2.10, 4.15.0-45-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 00 [VGA controller]) Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:5048] InstallationDate: Installed on 2018-06-10 (267 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 04f2:b541 Chicony Electronics Co., Ltd Bus 001 Device 003: ID 8087:0a2a Intel Corp. Bus 001 Device 002: ID 062a:4101 Creative Labs Wireless Keyboard/Mouse Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 20EVCTO1WW ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-45-generic root=UUID=7847e82b-1b84-4370-8b40-2e7a2a4dc74b ro quiet splash vt.handoff=1 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/31/2017 dmi.bios.vendor: LENOVO dmi.bios.version: R00ET57W (1.32 ) dmi.board.asset.tag: Not Available dmi.board.name: 20EVCTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0J40709 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrR00ET57W(1.32):bd10/31/2017:svnLENOVO:pn20EVCTO1WW:pvrThinkPadE560:rvnLENOVO:rn20EVCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad E560 dmi.product.name: 20EVCTO1WW dmi.product.version: ThinkPad E560 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1 version.libdrm2: libdrm2 2.4.95-1~18.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1~18.04.2 version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1~18.04.2 version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1818587/+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
