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MNS1968

Member

Registered: 2023-12-28

Posts: 22

*SOLVED* Pacman update: error: failed to commit transaction - lightdm

Greetings.

I had this error while updating on all three of my systems yesterday.

 error: failed to commit transaction (conflicting files)
lightdm-gtk-greeter-settings: /usr/lib/python3.14/site-packages/lightdm_gtk_greeter_settings/__pycache__/installation_config.cpython-314.pyc exists in filesystem
Errors occurred, no packages were upgraded. 

I determined the best course of action having read the Wiki was to remove the lightdm-gtk-greeter-settings entirely. With pacman error now gone, I was able to carry on and get fully updated.

It's not a great loss not having the Lightdm-gtk-greeter-settings as I know all can be altered in etc/lightdm file. I'm just being lazy using GUI.

I think the conflict issue might be something to do with gtk3, that and I'm also using an X11 system maybe?

I do also wonder if using Xfce desktop on my PC's am I slowly been left behind regarding updates knowing it could be sometime before Xfce team fully moves to Wayland based desktop?

https://wiki.xfce.org/releng/wayland_roadmap

Last edited by MNS1968 (Today 07:31:56)

loqs

Member

Registered: 2014-03-06

Posts: 18,963

Re: *SOLVED* Pacman update: error: failed to commit transaction - lightdm

lightdm-gtk-greeter-settings 1.2.3-5 supplies the compiled python code file /usr/lib/python3.14/site-packages/lightdm_gtk_greeter_settings/__pycache__/installation_config.cpython-314.pyc which was not previously packaged and instead it was generated locally on your system when you ran lightdm-gtk-greeter-settings as root. You can reinstall lightdm-gtk-greeter-settings 1.2.3-5 after removing the mentioned file or using pacman's --overwrite option as covered in Pacman Failed to commit transaction (conflicting files) error.

MNS1968

Member

Registered: 2023-12-28

Posts: 22

Re: *SOLVED* Pacman update: error: failed to commit transaction - lightdm

Thanks.

seth

Member

From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 76,406

Re: *SOLVED* Pacman update: error: failed to commit transaction - lightdm

Please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.

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