> Date: Sun, 18 Oct 2020 14:02:23 -0700 (PDT)
> From: Lee Nelson <lnel...@nelnet.org>
> 
> I get the following when trying to install arm64 on my RPi 4 (4GB RAM):
> 
> disks: sd0* sd1
> >> OpenBSD/arm64 BOOTAA64 1.2
> boot>
> cannot open sd0a:/etc/random.seed: No such file or directory
> booting sd0a:/bsd: 2357768+668612+8777672+715720 
> [195459+109+574488+215117]=0xff
> e7b0
> FACP CSRT DBG2 GTDT APIC PPTT BGRT
> 
> 
> Clearly it's getting far enough to try to load the kernel, but then dies.
> 
> I am using the latest available miniroot
> -rw-rw-r-- 1 lnelson lnelson 34603008 Oct 17 13:57 miniroot68.img
> and the sha256 signature matches.  It was written to the 2nd sd card (the 
> one on usb) with:
> sudo dd if=miniroot68.img of=/dev/sda bs=1M status=progress
> 
> My SD card in the slot has UEFI Firmware v1.20.  That much is working 
> since I get as far as trying to load the kernel.
> 
> The RPi eeprom is:
> BCM2711 detected
> Dedicated VL805 EEPROM detected
> BOOTLOADER: up-to-date
> CURRENT: Thu 03 Sep 2020 12:11:43 PM UTC (1599135103)
>   LATEST: Thu 03 Sep 2020 12:11:43 PM UTC (1599135103)
>   FW DIR: /lib/firmware/raspberrypi/bootloader/critical
> VL805: up-to-date
> CURRENT: 000138a1
>   LATEST: 000138a1
> 
> What am I missing?

Depending on how the firmware has been configured, kernel output will
appear on the serial console or on the display connected to the HDMI
port.  Make sure you set it correctly.  Make sure you adjust the
setting even if it already appears to set correctly as some UEFI
versions have bugs where it would only work correctly after setting a
new value.

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