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Chen Chiu,
can you please attach the installation logs? You can find them in /tmp during the installation, please attach all /tmp/*log files.

I was trying to reproduce the problem using RHEL-9.1 and RHEL-9.2, but I wasn't successful. I saw the "unknown network kickstart URL: cdrom:/ks.cfg" error, but the installation started using the provided kickstart file.

Thank you.

Closing as a duplicate of bug 2077045.

*** This bug has been marked as a duplicate of bug 2077045 ***