Public bug reported:
# Steps to reproduce
1) Login as a regular user.
2) `sudo systemctl restart systemd-logind`
This boots you back to GDM, as you would expect.
3) Login as a user.
4) Wait a few seconds.
# Expected behaviour
I can continue to use my system normally.
# Actual behaviour
My keyboard and mouse stop working; unplugging/replugging has no effect.
Everything on screen continues to behave normally.
# Debugging Notes
I noticed, when Ctrl-Alt-F'ing around trying to figure out what was
going on, that there are _two_ GDM sessions apparently running after the
logind restart.
Furthermore, I logged in on a console (Ctrl-Alt-F2) before performing
the restart of logind, and when my keyboard stopped working in my
graphical session, typing commands still worked! (I couldn't see this
console, obviously, but I tested it by typing `mplayer Music/*/*` and
observing music start playing.)
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: systemd 246.6-1ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-36.40-generic 5.8.18
Uname: Linux 5.8.0-36-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.11-0ubuntu50.3
Architecture: amd64
CasperMD5CheckResult: skip
Date: Fri Jan 8 10:06:56 2021
InstallationDate: Installed on 2019-05-07 (611 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
MachineType: Gigabyte Technology Co., Ltd. B450M DS3H
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-36-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash
resume=UUID=73909634-a75d-42c9-8f66-a69138690756 pcie_aspm=off vt.handoff=7
SourcePackage: systemd
SystemdDelta:
[EXTENDED] /lib/systemd/system/rc-local.service →
/lib/systemd/system/rc-local.service.d/debian.conf
[EXTENDED] /lib/systemd/system/systemd-logind.service →
/etc/systemd/system/systemd-logind.service.d/override.conf
[EXTENDED] /lib/systemd/system/user@.service →
/lib/systemd/system/user@.service.d/timeout.conf
3 overridden configuration files found.
SystemdFailedUnits:
Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4:
Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use
systemd-escape?).
Unit \xe2\x97\x8f.service could not be found.
------
Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4:
Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use
systemd-escape?).
Unit \xe2\x97\x8f.service could not be found.
UpgradeStatus: Upgraded to groovy on 2020-06-22 (199 days ago)
dmi.bios.date: 01/25/2019
dmi.bios.release: 5.13
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F4
dmi.board.asset.tag: Default string
dmi.board.name: B450M DS3H-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF4:bd01/25/2019:br5.13:svnGigabyteTechnologyCo.,Ltd.:pnB450MDS3H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB450MDS3H-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: B450M DS3H
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug groovy
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https://bugs.launchpad.net/bugs/1910769
Title:
systemd-logind: loss of input devices when logging in after restart
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