*** This bug is a duplicate of bug 1799293 ***
https://bugs.launchpad.net/bugs/1799293
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1806194
Title:
Lock screen / Screensaver doesn't work in Ubuntu 18.10
Status in gdm3 package in Ubuntu:
Confirmed
Status in gnome-shell package in Ubuntu:
Confirmed
Bug description:
In Gnome, when I hit "Super-L" my screen freezes but the image remains
intact instead of taking me to a login screen.
Further, I can still access the application dock and start
applications (though I cannot see the apps or interact with them) and
I can interact with the top activities bar.
Maybe it's useful, maybe not, but I'm using X11 not Wayland due to an issue
with my NVidia card.
$ gnome-screensaver-command --lock
** (gnome-screensaver-command:22849): WARNING **: 10:37:00.517: unable to
send message: Timeout was reached
** Message: 10:37:00.517: Did not receive a reply from the screensaver.
$ vi /var/log/syslog
Dec 1 10:36:31 hostname dbus-daemon[1488]: [session uid=123 pid=1488]
Reloaded configuration
Dec 1 10:36:31 hostname dbus-daemon[2445]: [session uid=1000 pid=2445]
Reloaded configuration
Dec 1 10:36:31 hostname dbus-daemon[1488]: [session uid=123 pid=1488]
Reloaded configuration
Dec 1 10:36:31 hostname dbus-daemon[2445]: [session uid=1000 pid=2445]
Reloaded configuration
Dec 1 10:36:31 hostname dbus-daemon[1488]: [session uid=123 pid=1488]
Reloaded configuration
Dec 1 10:36:31 hostname dbus-daemon[2445]: [session uid=1000 pid=2445]
Reloaded configuration
Dec 1 10:36:35 hostname gnome-shell[2614]: pushModal: invocation of
begin_modal failed
Dec 1 10:36:35 hostname gnome-shell[2614]:
../../../../gobject/gsignal.c:2641: instance '0x556570a1cbb0' has no handler
with id '143890'
Dec 1 10:36:35 hostname gnome-shell[2614]:
../../../../gobject/gsignal.c:2641: instance '0x556570a1cbb0' has no handler
with id '143891'
Dec 1 10:36:35 hostname gnome-shell[2614]: Object Meta.WindowActor
(0x556573104440), has been already deallocated — impossible to access it. This
might be caused by the object having been destroyed from C code using something
such as destroy(), dispose(), or remove() vfuncs.
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: == Stack trace for
context 0x55656e024200 ==
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #0 7ffe9ff3c590 b
resource:///org/gnome/gjs/modules/overrides/GObject.js:468 (7f6fa3ecc040 @ 25)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #1 5565960b1138 i
/usr/share/gnome-shell/extensions/[email protected]/theming.js:416
(7f6fa068aca0 @ 20)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #2 7ffe9ff3d700 b
self-hosted:261 (7f6fa3ec1dc0 @ 223)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #3 5565960b1080 i
/usr/share/gnome-shell/extensions/[email protected]/theming.js:415
(7f6fa068ac10 @ 172)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #4 7ffe9ff3e810 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #5 5565960b1000 i
/usr/share/gnome-shell/extensions/[email protected]/theming.js:424
(7f6fa068ad30 @ 17)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #6 7ffe9ff3f780 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #7 5565960b0f80 i
/usr/share/gnome-shell/extensions/[email protected]/theming.js:89
(7f6fa068a430 @ 42)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #8 7ffe9ff406f0 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #9 5565960b0ef8 i
/usr/share/gnome-shell/extensions/[email protected]/docking.js:456
(7f6fa067f280 @ 82)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #10 7ffe9ff41660 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #11 5565960b0e60 i
/usr/share/gnome-shell/extensions/[email protected]/docking.js:1784
(7f6fa0684670 @ 116)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #12 7ffe9ff425d0 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #13 5565960b0de0 i
/usr/share/gnome-shell/extensions/[email protected]/docking.js:1903
(7f6fa0684a60 @ 37)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #14 7ffe9ff43540 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #15 5565960b0d60 i
/usr/share/gnome-shell/extensions/[email protected]/extension.js:31
(7f6fa06759d0 @ 12)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #16 5565960b0ca0 i
resource:///org/gnome/shell/ui/extensionSystem.js:83 (7f6fa3a5a040 @ 436)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #17 5565960b0c20 i
resource:///org/gnome/shell/ui/extensionSystem.js:354 (7f6fa3a5ab80 @ 13)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #18 7ffe9ff446b0 b
self-hosted:261 (7f6fa3ec1dc0 @ 223)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #19 5565960b0ba0 i
resource:///org/gnome/shell/ui/extensionSystem.js:353 (7f6fa3a5aaf0 @ 64)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #20 5565960b0b20 i
resource:///org/gnome/shell/ui/extensionSystem.js:371 (7f6fa3a5ac10 @ 87)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #21 7ffe9ff457f0 b
resource:///org/gnome/gjs/modules/signals.js:128 (7f6fa3ec18b0 @ 386)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #22 7ffe9ff46410 b
resource:///org/gnome/shell/ui/sessionMode.js:208 (7f6fa3841ca0 @ 254)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #23 7ffe9ff47090 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #24 5565960b09e0 i
resource:///org/gnome/shell/ui/sessionMode.js:170 (7f6fa3841a60 @ 40)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #25 7ffe9ff48010 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #26 5565960b0938 i
resource:///org/gnome/shell/ui/screenShield.js:1282 (7f6fa38289d0 @ 188)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #27 7ffe9ff48f90 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #28 5565960b0888 i
resource:///org/gnome/shell/ui/screenShield.js:1331 (7f6fa3828a60 @ 391)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #29 7ffe9ff49f10 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #30 5565960b0800 i
resource:///org/gnome/shell/ui/shellDBus.js:371 (7f6fa3831d30 @ 67)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #31 7ffe9ff4ae90 b
resource:///org/gnome/gjs/modules/_legacy.js:82 (7f6fa3eb0b80 @ 71)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #32 5565960b0738 i
resource:///org/gnome/gjs/modules/overrides/Gio.js:295 (7f6fa3ebd5e0 @ 604)
Dec 1 10:36:35 hostname org.gnome.Shell.desktop[2614]: #33 5565960b0690 i
resource:///org/gnome/gjs/modules/overrides/Gio.js:326 (7f6fa3ebd820 @ 34)
I also saw the message "Screen lock is locked down, not locking" but
that appears to be at hibernation/sleep rather than lock.
I also saw this AskUbuntu page, but they didn't give an indication
that they'd posted a formal bug:
https://askubuntu.com/questions/1082761/automatic-locking-screen-
doesnt-work-in-ubuntu-18-10
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: xorg 1:7.7+19ubuntu8
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 390.87 Tue Aug 21 12:33:05
PDT 2018
GCC version: gcc version 8.2.0 (Ubuntu 8.2.0-7ubuntu1)
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Dec 1 11:01:35 2018
DistUpgraded: Fresh install
DistroCodename: cosmic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation HD Graphics 530 [8086:1912] (rev 06) (prog-if 00 [VGA
controller])
Subsystem: Dell HD Graphics 530 [1028:06b7]
NVIDIA Corporation GM107GL [Quadro K2200] [10de:13ba] (rev a2) (prog-if 00
[VGA controller])
Subsystem: NVIDIA Corporation GM107GL [Quadro K2200] [10de:1097]
InstallationDate: Installed on 2018-11-16 (14 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.3)
MachineType: Dell Inc. Precision Tower 3620
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-10-generic
root=UUID=de881e3f-27b8-44b5-9e72-86a1d5b774b0 ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/06/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.3.5
dmi.board.name: 09WH54
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr2.3.5:bd08/06/2017:svnDellInc.:pnPrecisionTower3620:pvr:rvnDellInc.:rn09WH54:rvrA00:cvnDellInc.:ct3:cvr:
dmi.product.family: Precision
dmi.product.name: Precision Tower 3620
dmi.product.sku: 06B7
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.95-1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
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