[Bug 1843137] [NEW] login to Kubuntu 18.04 destroys desktop

[christoph besthorn]

Public bug reported:

after login, desktop symbols are at wrong locations, too big and
alphabetically sorted instead of the configured locations. the taskbar
is missing. the desktop has the wrong wallpaper ("Next von KDE Visual
Design Group" instead of "Elarun von Nuno Pinheiro")

problem was introduced through regular updates and occurs in 50% of
login cases.

circumvention: kquitapp plasmashell / plasmashell & disown.

then the desktop is back again and correct. remark: we do not to delete
or restore datasets plasma-org.kde.plasma.desktop-appletsrc, plasmarc or
plasmashellrc.

a cloned system (dd if=/dev/sda of=/dev/sdb) in a Thinkpad T61p (64 Bit)
does NOT have the problem.

grub content: GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 nopti
nospectre_v1 nospectre_v2 l1tf=off nospec_store_bypass_disable
noplymouth"

machine having problem is a Thinpad T60 (32 Bit). system is (cf. "KDE
Infozentrum"): Kubuntu 18.04 (last update 14.08.2019) KDE Plasma version
5.12.8 KDE Framwork version 5.44.0 Qt version 5.9.5 Kernelversion
4.15.0.55-generic 32 bit system hardware: 2 x intel cpu T2500 @ 2.00 Ghz
memory: 2,0 GB

a new user has the same problem.

we did intensive research and log studies, but no solution was found.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: plasma-workspace 4:5.12.8-0ubuntu0.1
ProcVersionSignature: Ubuntu 4.15.0-60.67-generic 4.15.18
Uname: Linux 4.15.0-60-generic i686
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: i386
CurrentDesktop: KDE
Date: Sat Sep  7 19:03:29 2019
ExecutablePath: /usr/bin/plasmashell
InstallationDate: Installed on 2018-06-03 (461 days ago)
InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Release i386 (20180426)
SourcePackage: plasma-workspace
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: plasma-workspace (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug bionic i386

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Title:
  login to Kubuntu 18.04 destroys desktop

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