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The original was posted on /r/homeassistant by /u/leonardvnhemert on 2025-03-18 16:19:37+00:00.
Heads-up for anyone planning to upgrade to Home Assistant OS 15.0:
Multiple users are reporting severe boot issues after upgrading from OS 14.2 to 15.0. This affects not just Raspberry Pi 5, but also Odroid M1, HP Thin Clients (T620), and possibly other boards.
Common symptoms include:
- Device stuck during reboot after upgrade
- Random fallback to OS 14.2
- Booting into Emergency Console
- Devices appearing dead (only recoverable with HDMI connected)
- Some users unable to boot at all without a display attached
GitHub is actively tracking the problem: 👉
Recommendations for now: ✅ Perform a cold boot (unplug power) before starting the upgrade
✅ Connect a display via HDMI when upgrading, to monitor for issues
✅ If you run headless: Consider skipping the 15.0 upgrade for now
✅ Backup your system before attempting the upgrade
This seems related to systemd processes blocking reboot and kernel hand-off issues on certain hardware.
Stay safe, make backups, and let the community know if you encounter the same!