https://bugs.kde.org/show_bug.cgi?id=504719
Bug ID: 504719
Summary: Plasma apps fail to launch cleanly due to persistent
ffffffff-ffff-4fff-bfff-ffffffffffff activity UUID
across archlinux and Kubuntu fresh installs
Classification: Plasma
Product: plasmashell
Version First 6.3.4
Reported In:
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Session Management
Assignee: plasma-b...@kde.org
Reporter: shippud...@hotmail.com
CC: natalie_clar...@yahoo.de
Target Milestone: 1.0
SUMMARY
On multiple clean installations of both Arch Linux and Kubuntu 24.04 (Plasma 6)
on both wayland and X11, all apps launched under systemd appear with a
corrupted service ID like:
´´´
app-org.kde.konsole@ffffffffffff4fffbfffffffffffffff.service
´´´
This results in errors like:
´´´
Unit app-org.kde.konsole@ffffffffffff4fffbfffffffffffffff.service was already
loaded or has a fragment file.
´´´
Session ID or activity UUID is consistently stuck at:
´´´
ffffffff-ffff-4fff-bfff-ffffffffffff
´´´
This causes:
All launched apps to share the same corrupted systemd unit
Failure to open second windows
Broken D-Bus integration
Incomplete user session under loginctl
STEPS TO REPRODUCE
1. Perform a clean install of Kubuntu 24.04 or Arch Linux with KDE/Plasma
2. Log in as a new user
3. Launch Konsole or any app
4. Running
´´´
qdbus6 org.kde.ActivityManager /ActivityManager/ListActivities
´´´
Returns
´´´
Error: org.freedesktop.DBus.Error.UnknownObject
No such object path '/ActivityManager/ListActivities'
´´´
Attempting to manually start kactivitymanagerd via kquitapp6 or
kactivitymanagerd --no-respawn does not fix it
EXPECTED RESULT
kactivitymanagerd should initialize a real UUID and register valid activities
App unit names should reflect per-window UUIDs
KDE session should be systemd-integrated without launching failures
WHAT I TRIED:
Wiped ~/.local/share/kactivitymanagerd, ~/.config/kactivitymanagerdrc, etc.
Ran kactivitymanagerd manually
Created new activities manually in System Settings
Tried on both Wayland and X11 sessions
Verified machine ID (/etc/machine-id) is valid
BIOS UUID is valid (/sys/class/dmi/id/product_uuid)
Confirmed uuidgen works
Verified systemd --user session exists and is running
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 25.04
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3
Kernel Version: 6.14.0-15-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD 4700S 8-Core Processor Desktop Kit
Memory: 15.6 GiB of RAM
Graphics Processor: AMD Radeon RX 550 / 550 Series
ADDITIONAL INFORMATION
I made a post on the kde forums with more info:
https://discuss.kde.org/t/launcher-fails-to-open-new-windows-of-already-open-apps/34551/5?u=galen
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