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Description of problem:
greenboot*-0.11-1.el8.x86_64 used by RHEL 8.3 Edge needs boot-complete.target, but systemd-239-39.el8.x86_64 does not include it. That cause RHEL 8.3 Edge image with greenboot installed can't boot.

Boot log:
[   12.114343] systemd[1]: Set hostname to <localhost.localdomain>.
[   12.123335] systemd[1]: Initializing machine ID from KVM UUID.
[   12.131293] systemd[1]: Installed transient /etc/machine-id file.
[   12.590294] systemd[1]: Failed to isolate default target: Unit boot-complete.target not found.
[!!!!!!] Failed to isolate default target, freezing.
[   12.632594] systemd[1]: Freezing execution.

Version-Release number of selected component (if applicable):
systemd-239-39.el8.x86_64

How reproducible:

Steps to Reproduce:
1. build RHEL 8.3 Edge image (with greenboot*-0.11-1.el8.x86_64 included) with image builder
2. install Edge image and reboot
3. can't boot with error "Failed to isolate default target: Unit boot-complete.target not found."

Actual results:
Boot failed

Expected results:
Boot Edge image without issue.

(In reply to Xiaofeng Wang from comment #0)
> Description of problem:
> greenboot*-0.11-1.el8.x86_64 used by RHEL 8.3 Edge needs
> boot-complete.target, but systemd-239-39.el8.x86_64 does not include it.

Well, yes. That's because it's only been added in 240 (https://github.com/systemd/systemd/commit/329d20db3cb02d789473b8f7e4a59526fcbf5728).

fix merged to github master branch -> https://github.com/systemd-rhel/rhel-8/pull/118

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Low: systemd security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:4553