https://bugs.kde.org/show_bug.cgi?id=461732
Bug ID: 461732
Summary: Updates broke system with incompatible Qt libraries
Classification: KDE Neon
Product: neon
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Packages User Edition
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected], [email protected]
Target Milestone: ---
SUMMARY
Unfortunately I am not quite sure how it went down, but I have tried to somehow
list the steps.
STEPS TO REPRODUCE
1. Run updates in Discover as normal, but do not reboot after updates are
installed.
2. Keep using the system as normal, install new packages, use applications,
maybe do more updates – this step is hazy, at best.
3. Finally, install Kolourpaint and notice that the application refuses to
launch!
4. Notice that no applications will launch! Running applications still works
without issue.
5. Reboot.
OBSERVED RESULT
1. System boots up to a blank screen, with just the mouse point present and
working.
2. Logging into terminal and checking journalctl shows mostly normal messages,
but also:
sddm-greeter[1595]: Reading from
"/usr/share/wayland-sessions/plasmawayland.desktop"
sddm-greeter[1595]: Reading from "/usr/share/xsessions/plasma.desktop"
dbus-daemon[1597]: [session uid=117 pid=1597] Successfully activated service
'org.freedesktop.impl.portal.PermissionStore'
systemd[1587]: Started sandboxed app permission store.
sddm-greeter[1595]: Loading theme configuration from
"/usr/share/sddm/themes/breeze/theme.conf"
dbus-daemon[1597]: [session uid=117 pid=1597] Successfully activated service
'org.freedesktop.portal.Documents'
systemd[1587]: Started flatpak document portal service.
sddm-greeter[1595]: Connected to the daemon.
sddm[1558]: Message received from greeter: Connect
sddm-greeter[1595]: Cannot mix incompatible Qt library (5.15.6) with this
library (5.15.7)
dbus-daemon[1597]: [session uid=117 pid=1597] Activating via systemd: service
name='org.freedesktop.impl.portal.desktop.gtk'
unit='xdg-desktop-portal-gtk.service' requested by ':1.2' (uid=117 pid=1599
comm="/usr/libexec/xdg-desktop-portal " label="unconfined")
systemd[1587]: Starting Portal service (GTK/GNOME implementation)...
sddm-helper[1585]: [PAM] Closing session
xdg-desktop-por[1618]: cannot open display:
sddm-helper[1585]: pam_unix(sddm-greeter:session): session closed for user sddm
systemd[1587]: xdg-desktop-portal-gtk.service: Main process exited,
code=exited, status=1/FAILURE
systemd[1587]: xdg-desktop-portal-gtk.service: Failed with result 'exit-code'.
systemd[1587]: Failed to start Portal service (GTK/GNOME implementation).
sddm-helper[1585]: [PAM] Ended.
sddm[1558]: Auth: sddm-helper exited with 6
systemd[1]: session-7.scope: Deactivated successfully.
sddm[1558]: Greeter stopped.
The Wifi also did not work.
Eventually I connected with an ethernet cable, ran `pkcon update` got a long
list of packages to update, rebooted, and finally got back into SDDM and
Plasma.
EXPECTED RESULT
System should have kept working as normal.
SOFTWARE/OS VERSIONS
These are the current versions after the latest updates. The earlier versions
when it failed was between one or two weeks old.
Operating System: KDE neon 5.26
KDE Plasma Version: 5.26.3
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.7
Kernel Version: 5.15.0-52-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-8550U CPU @ 1.80GHz
Memory: 15,1 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 620
Manufacturer: Dell Inc.
Product Name: XPS 13 9370
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