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I'm trying to upgrade from 18.04 to 20.04. do-release-upgrade terminates with this error message: https://pastebin.com/PzZf408W

I did a lot of research, also found this old thread, but it doesn't solve my problem. I already disabled all third party repos. I couldn't find anything in the main.log and I'm not sure what to look for in the apt.log. The first half of the packages seem to go no problem, the second half shows broken packages but also mentions "considering XXX as a solution".

So I really have no idea any more what to do.

Linux pc-f-linux 4.18.8-041808-generic #201809150431 SMP Sat Sep 15 08:33:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

If you need more information let me know! Cheers!

Fabian
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2 Answers2

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Check the basics first...

Check your file system:

  • boot to a Ubuntu Live DVD/USB in “Try Ubuntu” mode
  • open a terminal window by pressing Ctrl+Alt+T
  • type sudo fdisk -l
  • identify the /dev/sdXX device name for your "Linux Filesystem"
  • type sudo fsck -f /dev/sdXX, replacing sdXX with the number you found earlier
  • repeat the fsck command if there were errors
  • type reboot

Fix broken packages:

Start synaptic. Select Fix broken packages from the Edit menu. Select this a few times, until no more errors appear.

Software Updater:

Run Software Updater before trying to perform the upgrade, and make sure that you're up to date.

Note: If these steps don't allow you to upgrade, please let me know the results of each step.

heynnema
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  • I can't really see how a filesystem cause an update problem
  • There are not broken packages: ```root@pc-f-linux:~# dpkg -l | grep ^..r

    • root@pc-f-linux:~#

    3. The upgrade can't start without having the latest packages installed, so thats taken care of.
    – Fabian Oct 14 '21 at 14:42
  • @Fabian So don't take my advice then :-( – heynnema Oct 14 '21 at 15:01
  • please, explain then how the filesystem can be responsible for said error message? – Fabian Oct 14 '21 at 18:24
  • @Fabian I'm not here to argue the merits of my recommendations. All three suggestions would take less time to try than to discuss them in detail. If you don't believe they may help, don't do them. In your earlier comment, you said "no broken packages", yet you said "the second half shows broken packages but also mentions "considering XXX as a solution". What is the XXX solution mentioned? – heynnema Oct 14 '21 at 18:34
  • in the logfiles I have linked, all packages mentioned as broken in the second line also have in the next line for example (taken from line 1547): Considering xserver-xorg-video-nouveau:amd64 10005 as a solution to xserver-xorg-video-all:amd64 10005

    Ther are absoutely no broken packages when I run dpgk -l Would you like the whole output as well?

     – Fabian Oct 14 '21 at 19:21
  • @Fabian In synaptic, in the Status tab, is there a section named "Pinned"? – heynnema Oct 14 '21 at 19:52
  • it does not seem like it: https://imgur.com/a/cZ4Aigc – Fabian Oct 14 '21 at 21:30
  • @Fabian Status please... – heynnema Oct 25 '21 at 14:32
  • Still the same problem. I replied to your last question about the Status tab with a screenshot. – Fabian Oct 27 '21 at 15:28
  • @Fabian I'm out of ideas. Sorry. – heynnema Oct 27 '21 at 15:42