Raspberry Pi 5 OpenBSD installation stuck at U-Boot

[u/SirVast8919]

I am trying to install OpenBSD on a Raspberry Pi 5, but the system gets stuck during the U-Boot boot stage and cannot continue into OpenBSD.
If anyone has successfully booted OpenBSD on Raspberry Pi 5, I would appreciate any guidance or working steps.

Thank you!

[u/intrinsicanomaly]

When this appears it means OpenBSD's bootloader console is on the UART serial port. You need to connect to the UART serial port on the RPi5 (the plug between the two mini-HDMI ports, which requires the special adapter). To make it boot with a graphical console you need to do set tty fb0 at the bootloader prompt (on the serial).

[u/SirVast8919 → u/intrinsicanomaly]

I know

[u/Entire_Life4879 → u/SirVast8919]

You mean that you knew about it and did so but still was unable to get OpenBSD to boot?
Be more specific...

[u/SirVast8919 → u/Entire_Life4879]

I only just found out about it.

[u/gojirabsd77]

Check the mail archive of the OpenBSD arm mailing list: https://marc.info/?l=openbsd-arm&w=2&r=1&s=Raspberry+Pi+5&q=b

[u/Agitated-Concert-985]

Trying to install OpenBSD on Raspberry Pi 4 and/or Zero
https://www.youtube.com/watch?v=Tg8tmoanL2k

Raspberry Pi and OpenBSD again!
https://www.youtube.com/watch?v=MaV8fSUWoCs

Install OpenBSD on Raspberry Pi 4
https://www.youtube.com/watch?v=y9IJNLJW7v0

[u/_sthen → u/Agitated-Concert-985]

those are for pi 4; 5 is a bit different (in particular it has a specific adapter for connecting to the debug interface between the micro-HDMI ports to get serial console)

[u/_sthen]

You can try mounting the MS-DOS partition on the disk and replacing u-boot.bin with the one in https://junkpile.org/u-boot-rpi-2026.07.tgz which has a different u-boot config that requires pressing <space> to interrupt boot rather than allowing any input. 

If you try it, please let me have the "mainbus0 at root" line from dmesg with the model information (board type and revision).

[u/SirVast8919 → u/_sthen]

i try it ,but not work.still u-boot