What were you trying to do that didn't work?

An attempt to install flatpaks from DVD.iso media is failing with the following error at the end of the installation:

Failed to install flatpaks: g-io-error-quark: User cancelled authentication request (19)

When trying to use the same DVD.iso extracted on an HTTP server and installing from there using the inst.repo=http://<SERVER>/<PATH_TO_EXTRACTED_DVD>, the installation is successful with the firefox flatpak installed.

Installation logs from an unsuccessful DVD.iso installation: flatpak_cdrom.tar.gz and from a successful HTTP installation: flatpak_http.tar.gz

What is the impact of this issue to you?

Unable to install Flatpaks when installing from DVD.iso

Please provide the package NVR for which the bug is seen:

RHEL-10.1-20250923.1
anaconda-40.22.3.33-1.el10_1

How reproducible is this bug?:

Always

Steps to reproduce

1. Create the following kickstart file:

   lang en_US.UTF-8
   keyboard us
   reboot
   text
   rootpw redhat
   timezone --utc America/New_York
   
   bootloader --location=mbr
   zerombr
   clearpart --all --initlabel
   autopart
   
   cdrom
   
   %packages
   redhat-flatpak-preinstall-firefox
   %end
   

1. Boot DVD.iso (tested in a VM), append inst.ks=<URL_TO_KICKSTART_FROM_PREVIOUS_STEP> to the kernel command line.
2. Wait for the installation to finish.

Expected results

The installation finishes successfully with the specified flatpak installed.

Actual results

Failed to install flatpaks: g-io-error-quark: User cancelled authentication request (19)

Additional info and workarounds

It is possible to install flatpaks from DVD.iso with the following changes to the steps above:

• remove the cdrom kickstart command from the kickstart file
• replace inst.stage2=<PATH> with inst.repo=<PATH> on the kernel command line when booting the DVD.iso