Mageia forum

Hello folks,
after years of stable versions of Mageia I took courage and tried to install cauldron from the netinstall iso but immediately after the end of stage 1 the computer restarts by itself and I don't reach stage 2.
Any suggestions on how to fix this?

Hi, which ISO in particular from https://www.mageia.org/downloads/alternative/#Cauldron did you use ?
Also some more details would be appreciated, do you boot in MBR/UEFI? What mirror did you use?

If you use the default "graphical" boot, then you can see a backtrace for the X server after stage 2 loads, so you may need to use the text installer instead.

From the dev mailing list:

Installer stage2 is completely broken due to gdk-pixbuf's change to
use glycin-loaders' sandboxed environment to load images

They are working on it.

Just my 2 cents.

As "Germ" has already advise, the net install is broken and under repair.

If you really (really) want to try cauldron, I would suggest starting with a net install of a minimal ( other desktops) of Mageia 9.
Choose a mirror that also supports cauldron.
this will get a small up-to-date graphical system installed.

Then, manually change the mirror repo used from "9" to cauldron.
Doktor5000 has kindly written a MAQ : https://forums.mageia.org/en/viewtopic.php?f=36&t=4231

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urpmi.removemedia -a
urpmi.addmedia --distrib 'ftp://ftp.nluug.nl/pub/os/Linux/distr/mageia/distrib/$VERSION/$ARCH'

before doing the code, copy ( via the edit button) one of your existing core "mga9" mirror repos from MCC to a text document. ( 1st line)
add this also: urpmi.addmedia --distrib 'ftp://ftp.nluug.nl/pub/os/Linux/distr/mageia/distrib/$VERSION/$ARCH' ( 2nd line)

edit the text document such that the the 1st line entry important stuff ( your localest mirror) is reflected in the 2nd line, so everything from 'ftp:/ ... to ...distrib/....' is replaced.

Change $VERSION to cauldron.

then run the first code line to remove your existing mirror repos.
then copy / paste your edited 2nd-line from your edited text file and run that.

there should be a screed of text in the terminal as the repos get updated.

then update the system.
add your preferred DE(s) via the urpmi task-**** command, or via MCC.

if you have made a mistake, just re-add the mga9 mirror repos via MCC "add" button.
if the above is too hard, you could just manually edit each active repo line in MCC, changing "9" to cauldron, but that is tedious.

Note that, at the moment, when upgrading from 9 to cauldron, Mageia's rpmkey still needs to be removed and readded.

When using urpmi, the best moment is when you get errors about the signatures of the packages. When using "dnf distrosync", you can wait till dnf finished the upgrade. For me, recent KDE upgrades with dnf led to working systems (after installing one additional package), but KDE upgrades with urpmi ended with a lot of dependency issues and a broken system.

To replace the key, run, as root do

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rpmkeys --list

you'll see something like:
80420f66-4d4fe123: Mageia Packages <packages@mageia.org> public key

remove that key using its number, like this:

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rpmkeys --delete 80420f66-4d4fe123

then import Mageia's rpmkey:

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rpmkeys --import /path/on/your/mirror/to/mageia/distrib/cauldron/x86_64/media/core/release/media_info/pubkey