Update of 12-12-25 ruins the system?

[seasons]

dpkg-maintscript-helper: error: file '/usr/share/X11/xkb/symbols/de_oldbackup' not owned by package 'xkb-data:all'
dpkg-maintscript-helper: error: file '/usr/share/X11/xkb/rules/evdev.xml_oldbackup' not owned by package 'xkb-data:all'

You can probably delete those files. Or, if you think you need them, temporarily move them out of /usr/share/X11/xkb/, do the upgrade, and put them in /usr/share/xkeyboard-config-2

[piper]

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2025-12-20 10:14:52,376 INFO  - calculating md5sum of live media iso image...
2025-12-20 10:14:58,384 INFO  - calculating sha256sum of live media iso image...
2025-12-20 10:15:00,952 INFO  - /home/piper2/pyfll/pyfll/iso-build/kde/siduction-2025.1.0-Shine_on-kde-amd64-202512201455.iso.md5
2025-12-20 10:15:00,952 INFO  - /home/piper2/pyfll/pyfll/iso-build/kde/siduction-2025.1.0-Shine_on-kde-amd64-202512201455.manifest
2025-12-20 10:15:00,952 INFO  - /home/piper2/pyfll/pyfll/iso-build/kde/siduction-2025.1.0-Shine_on-kde-amd64-202512201455.iso.sha256
2025-12-20 10:15:00,952 INFO  - /home/piper2/pyfll/pyfll/iso-build/kde/siduction-2025.1.0-Shine_on-kde-amd64-202512201455.sources
2025-12-20 10:15:00,952 INFO  - /home/piper2/pyfll/pyfll/iso-build/kde/siduction-2025.1.0-Shine_on-kde-amd64-202512201455.iso
2025-12-20 10:15:00,952 INFO  - build duration was 6 minutes and 21 seconds
2025-12-20 10:15:00,952 INFO  - cleaning up...
root@x2:/home/piper2/pyfll/pyfll# exit

@piper, I'm glad to see you and really hope you're doing well!
ps. you're getting ahead of yourself   

it's been a good 7 or 8 years since i touched a debian system, i decided to come back, first thing i did was build a kde and a fwvm-crystal system

nice to see you also

[piper]

[language=english][/language]

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# LANG=C apt --fix-broken install
Correcting dependencies... Done
Upgrading:
  xkb-data

Summary:
  Upgrading: 1, Installing: 0, Removing: 0, Not Upgrading: 0
  27 not fully installed or removed.
  Download size: 0 B / 830 kB
  Space needed: 3.985 kB / 43,6 GB available

Continue? [Y/n]
(Reading database ... 349400 files and directories currently installed.)
Preparing to unpack .../xkb-data_2.46-2_all.deb ...
dpkg-maintscript-helper: error: file '/usr/share/X11/xkb/symbols/de_oldbackup' not owned by package 'xkb-data:all'
dpkg-maintscript-helper: error: file '/usr/share/X11/xkb/rules/evdev.xml_oldbackup' not owned by package 'xkb-data:all'
dpkg-maintscript-helper: error: directory '/usr/share/X11/xkb' contains files not owned by package xkb-data:all, cannot switch to symlink
dpkg: error processing archive /var/cache/apt/archives/xkb-data_2.46-2_all.deb (--unpack):
new xkb-data package preinst maintainer script subprocess failed with exit status 1
Errors were encountered while processing:
/var/cache/apt/archives/xkb-data_2.46-2_all.deb
needrestart is being skipped since dpkg has failed
Error: Sub-process /usr/bin/dpkg returned an error code (1)

you can try

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dpkg-reconfigure xkb-data

if that don't work you can try

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dpkg -r xkb-data
apt autoremove -y
rm xkb-data_2.46-2_all.deb

i am very rusty in debian so ignore if this don't help

[samoht]

Thank you, too, @piper and @seasons, for your help. Moving the old backup files out of the way did the trick.

[Mte90]

I am not sure if related but I updated the laptop few days ago and now I have issues with the launch of KDE.
Basically there is the kernel log output stopping on Session 2, I press ctrl+f2 and appears sddm with a strange theme asking me to login.
I insert the password and KDE starts but without systemd for the user, so I have to execute manually systemd --user and restart pipewire (that doesn't detect the bluetooth devices).
In logs I have various errors for missing permission and dbus seems doesn't working, probably because isn't the right session.
I think that everthing happened because I was using xorg and not wayland...
I am getting tons of dump i nthe home folder and inspecting them it is seems that kwin has issues to creating a wayland socket.

I did a dist-upgrade and I don't have any package pending but I ithin that is something is wrong.

[devil]

Did you check if any packages were removed lately?

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cat /var/log/dpkg.log | grep remove

[Mte90]

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2025-12-22 18:49:02 startup packages remove
2025-12-22 18:49:04 remove linux-headers-6.15.9-1-siduction-amd64:amd64 6.15-9 <none>
2025-12-22 18:49:05 remove linux-image-6.15.9-1-siduction-amd64:amd64 6.15-9 <none>
2025-12-22 18:50:37 startup packages remove
2025-12-22 18:50:38 remove espanso:amd64 2.2.2 <none>
2025-12-23 10:09:57 startup packages remove
2025-12-23 10:09:57 remove libgtk-4-media-gstreamer:amd64 4.18.6+ds-3 <none>
2025-12-23 10:10:07 startup packages remove
2025-12-23 10:10:07 remove libgvc6-plugins-gtk:amd64 2.42.4-3 <none>
2025-12-23 10:10:08 remove libgvc6:amd64 2.42.4-3 <none>
2025-12-23 10:10:17 startup packages remove
2025-12-23 10:10:18 remove libnode115:amd64 20.19.4+dfsg-1 <none>
2025-12-23 10:10:24 startup packages remove
2025-12-23 10:10:24 remove vdpau-driver-all:amd64 1.5-3+b1 <none>
2025-12-23 10:10:25 remove mesa-vdpau-drivers:amd64 25.2.8-2+b3 <none>
2025-12-23 10:10:25 remove vdpau-driver-all:i386 1.5-3+b1 <none>
2025-12-23 10:10:26 remove mesa-vdpau-drivers:i386 25.2.8-2+b3 <none>
2025-12-23 10:10:33 startup packages remove
2025-12-23 10:10:34 remove mesa-va-drivers:i386 25.2.2-1 <none>
2025-12-23 10:10:35 remove mesa-va-drivers:amd64 25.2.2-1 <none>
2025-12-23 10:14:20 startup packages remove
2025-12-23 10:14:20 remove libplasmaactivities6:amd64 6.3.4-1 <none>
2025-12-23 10:20:50 startup packages remove
2025-12-23 10:20:50 remove libpostproc-dev:amd64 7:7.1.1-1+b8 <none>
2025-12-23 10:26:36 startup packages remove
2025-12-23 10:26:37 remove libreoffice-qt5:amd64 4:25.2.3-2 <none>
2025-12-23 10:26:53 startup packages remove
2025-12-23 10:26:53 remove libxmlsec1t64-openssl:amd64 1.2.41-1+b1 <none>
2025-12-23 10:26:53 remove libxmlsec1t64:amd64 1.2.41-1+b1 <none>
2025-12-23 10:26:54 startup packages remove
2025-12-23 10:26:54 remove libxmlsec1t64-nss:amd64 1.2.41-1+b1 <none>
2025-12-23 11:58:21 startup packages remove
2025-12-23 11:58:25 remove touchegg:amd64 2.0.9 <none>
2025-12-23 12:01:24 startup packages remove
2025-12-23 12:01:24 remove libselinux1-dev:amd64 3.8.1-1 <none>
2025-12-23 12:02:18 startup packages remove
2025-12-23 12:02:19 remove recordmydesktop:amd64 0.4.0-1+b3 <none>


I don't think that I removed a package but there is a bug somewhere.
The last update on my laptop it was in october so something in the middle broke something.
Attached the systemd log if someone can help.

[devil]

You had multiple packages removed just yesterday.

[Mte90]

I saw that various packages were removed but I didn't say anything that could create that issue.