Kubuntu 22.04 will not update.

[Sorin Srbu]

________________________________
From: ubuntu-users <ubuntu-users-bounces at lists.ubuntu.com> on behalf of rikona <rikona at sonic.net>
Sent: Friday, September 20, 2024 6:56:24 am
To: ubuntu-users at lists.ubuntu.com <ubuntu-users at lists.ubuntu.com>
Subject: Kubuntu 22.04 will not update.

I kept getting these update pop-ups for several days. Backed up
everything, and decided to try it. Clicked on the update pop-up, a fair
amount happened in the background, and finally a tiny message,
indicating there was an error, but no other info.

Decided to do a CLI update and perhaps get more info. Ran:
sudo do-release-upgrade -m desktop

It did do a lot that was visible, but at the end said that the update
failed. Fortunately, it then restored the computer to its previous
state where almost everything was still running OK. That was nice. At
the end of this very long failed update text, it had the following:
---
Calculating the changes
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.

This was likely caused by:
* Unofficial software packages not provided by Ubuntu
Please use the tool 'ppa-purge' from the ppa-purge
package to remove software from a Launchpad PPA and
try the upgrade again.
---
I tried removing a few PPAs, ran it again, twice, but got the same
result. It seems there is something there that needs to be removed, but
I'm not sure what it might be.

I also took a screenshot of some errors that were reported. These are
at: https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Ffromsmash.com%2Fcache-error&data=05%7C02%7Csorin.srbu%40ki.se%7C760bd7ad16ca420b608508dcd9309224%7Cbff7eef1cf4b4f32be3da1dda043c05d%7C0%7C0%7C638624049845293027%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=neg4J7D%2BeHiRDdryBjgLOeyRNf7NY6uEmXwmo140AwE%3D&reserved=0<https://fromsmash.com/cache-error>

I also run Claws Mail 4.0.0 that also probably needs upgrading. Could
this be part of the problem since it is not Ubuntu software?

Where to look for the problem?

All ideas much appreciated...

Rik

________________________________________________

Hello,

Ran into a similar scenario the other week when upgrading to 24.04.1. Took forever to sort out...

Anyway, this was my solution.

Disable all non-default repos manually, then upgrade.

Make a note of what software will be removed (press d for details).

When the upgrade is done, computer is rebooted etc, it's time to review the non-default repos.

Your screen dump shows that eg Brave can't update because of a missing gpg key.
Google that and run the normal apt-add key thing and adjust the repo to find the key.

Repeat for all non-default repos.

Run apt - - fix-broken install as needed. Apt will/may suggest that.

After weird problems when finished, I ran apt install kubuntu-desktop - - reinstall.
That procedure pulled down some packages and after a restart most everything was spiffy.

Well, except pipewire. I unistalled that and reinstalled the ALSA audio subsystem. After that everything worked as expected.


YMMV of course!

--
//Sorin at mobile




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