Public bug reported:
Step:
1. There are two users, A and B. A is adminstrator, B is standard user, B is
automatic login.
2. Boot into Ubuntu 18.04.1 LTS, it will automatically login to user B.
3. Switch User to user A without logging out.
4. Switch User back to user B, either by logging out from user A or not.
Expected: it will be back to user B normally.
Actual: it backs to user B but become not responding to keyboard,
touchpad, or mouse input. Closing the lid is responded normally, which
is locking the screen, the three-arrows in the lock screen is animated
normally, clock is updated.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Dec 25 14:19:34 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev
09) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company 3rd Gen Core processor Graphics
Controller [103c:183a]
Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7500M/7600M Series]
[1002:6840] (rev ff) (prog-if ff)
InstallationDate: Installed on 2018-12-23 (2 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
MachineType: Hewlett-Packard HP Pavilion g4 Notebook PC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic
root=UUID=3182b497-aa0e-491d-aad5-e1c8e049dda1 ro quiet splash vt.handoff=1
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/18/2012
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.01
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 183A
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 56.0E
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.01:bd01/18/2012:svnHewlett-Packard:pnHPPaviliong4NotebookPC:pvr0791100000205610000620100:rvnHewlett-Packard:rn183A:rvr56.0E:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.family: 103C_5335KV G=N L=CON B=HP S=PAV X=Null
dmi.product.name: HP Pavilion g4 Notebook PC
dmi.product.version: 0791100000205610000620100
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic ubuntu
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https://bugs.launchpad.net/bugs/1809712
Title:
Not responding to input after switch user to auto-login account
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