ununderstood data member

Asked by Michael Zachar on 2020-10-07

updating software on my computer and downloading required packages is ok but installation part bombs out.Each .deb package fails with message from dpkg-deb with message that packages have ununderstood data member data.tar.xz in deb package and all instalations fail.At same time synaptic package manager with same download packages has no problem at all.
It seems there is some inconsistency between aptitude and synaptic that is causing this to happen as using aptitude before zwas working fine.

Question information

Language:
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Status:
Answered
For:
Ubuntu dpkg Edit question
Assignee:
No assignee Edit question
Last query:
2020-10-08
Last reply:
2020-10-09
Manfred Hampl (m-hampl) said : #1

For diagnostic purposes please provide the output that you receive for the commands

uname -a
lsb_release -crid
apt-cache policy dpkg apt synaptic
sudo apt update
sudo dpkg --audit

Michael Zachar (mick1945) said : #2
Manfred Hampl (m-hampl) said : #3

Whatever you did, it did not work. Please copy and paste the output as plain text into https://answers.launchpad.net/ubuntu/+source/dpkg/+question/693344

Michael Zachar (mick1945) said : #4

Linux rigelanon 4.4.0-173-generic #203-Ubuntu SMP Wed Jan 15 02:55:01 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

sudo lsb_release -crid
Distributor ID: LinuxMint
Description: Linux Mint 18.3 Sylvia
Release: 18.3
Codename: sylvia

apt-cache policy dpkg apt synaptic
dpkg:
Installed: 1.18.4ubuntu1.6
Candidate: 1.18.4ubuntu1.6
Version table: *** 1.18.4ubuntu1.6 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 100 /var/lib/dpkg/status 1.18.4ubuntu1 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

apt: Installed: 1.2.32ubuntu0.1 Candidate: 1.2.32ubuntu0.1 Version table: *** 1.2.32ubuntu0.1 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages 100 /var/lib/dpkg/status 1.2.10ubuntu1 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

synaptic: Installed: 0.83linuxmint4 Candidate: 0.83linuxmint4 Version table: *** 0.83linuxmint4 700 700 http://packages.linuxmint.com sylvia/upstream amd64 Packages 100 /var/lib/dpkg/status 0.83 500 500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages

sudo apt update Ign:1 http://packages.linuxmint.com sylvia InRelease Get:2 http://security.ubuntu.com/ubuntu xenial-security InRelease [109 kB] Hit:3 http://archive.canonical.com/ubuntu xenial InRelease Get:4 http://debian.fhem.de/nightly InRelease [1 912 B] Hit:5 http://ppa.launchpad.net/freecad-maintainers/freecad-stable/ubuntu xenial InRelease Hit:6 http://archive.ubuntu.com/ubuntu xenial InRelease Get:7 http://packages.microsoft.com/repos/vscode stable InRelease [3 958 B] Ign:8 http://live.linuxmint.com sarah InRelease Hit:9 http://packages.linuxmint.com sylvia Release Get:11 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 Packages [757 kB] Get:12 http://debian.fhem.de/nightly Packages [770 B] Hit:13 http://ppa.launchpad.net/openmw/openmw/ubuntu xenial InRelease Get:14 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB] Get:15 http://packages.microsoft.com/repos/vscode stable/main amd64 Packages [203 kB] Hit:16 http://live.linuxmint.com sarah Release Hit:18 http://ppa.launchpad.net/openscad/releases/ubuntu xenial InRelease Get:19 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB] Hit:20 http://ppa.launchpad.net/vcmi/ppa/ubuntu xenial InRelease Get:21 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [1 861 kB] Get:22 http://security.ubuntu.com/ubuntu xenial-security/universe i386 Packages [638 kB] Hit:23 http://ppa.launchpad.net/viktornova/random/ubuntu xenial InRelease Hit:24 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu xenial InRelease Get:25 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [1 435 kB] Get:26 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-en [214 kB] Get:27 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [1 180 kB] Get:28 http://archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [1 050 kB] Get:29 http://archive.ubuntu.com/ubuntu xenial-updates/universe Translation-en [345 kB] Fetched 8 014 kB in 17s (453 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done 43 packages can be upgraded. Run 'apt list --upgradable' to see them.

sudo apt update
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Get:2 http://security.ubuntu.com/ubuntu xenial-security InRelease [109 kB]
Ign:3 http://packages.linuxmint.com sylvia InRelease
Hit:4 http://packages.linuxmint.com sylvia Release
Hit:6 http://archive.ubuntu.com/ubuntu xenial InRelease
Get:7 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]
Hit:8 http://ppa.launchpad.net/freecad-maintainers/freecad-stable/ubuntu xenial InRelease
Ign:9 http://live.linuxmint.com sarah InRelease
Hit:10 http://debian.fhem.de/nightly InRelease
Get:11 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB]
Hit:12 http://ppa.launchpad.net/openmw/openmw/ubuntu xenial InRelease
Hit:13 http://packages.microsoft.com/repos/vscode stable InRelease
Hit:14 http://live.linuxmint.com sarah Release
Get:16 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [1 861 kB]
Hit:17 http://ppa.launchpad.net/openscad/releases/ubuntu xenial InRelease
Hit:18 http://ppa.launchpad.net/vcmi/ppa/ubuntu xenial InRelease
Get:19 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [1 435 kB]
Hit:20 http://ppa.launchpad.net/viktornova/random/ubuntu xenial InRelease
Hit:21 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu xenial InRelease
Fetched 3 621 kB in 14s (255 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
43 packages can be upgraded. Run 'apt list --upgradable' to see them.

sudo dpkg --audit
Feeds CR to new command prompt

Michael

Manfred Hampl (m-hampl) said : #5

Manfred Hampl suggests this article as an answer to your question:
FAQ #3041: “No support for Linux Mint”.

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