Hi David, Got it. Will try the install over serial line.
One pleasant surprise I found is that once OpenBSD is installed using UEFI/sd, you don't need the sd card for reboots. The bootloader picks up the os from the usb directly. This is with the latest eeprom. Nice to have the sd not occupied :). Thanks Sandeep On Sat, May 21, 2022 at 12:31 AM David Demelier <[email protected]> wrote: > > > On 20 May 2022, at 18:27, Sandeep Gupta <[email protected]> wrote: > > > > Hello, > > > > This post here ( > > http://matecha.net/posts/openbsd-on-pi-4-with-full-disk-encryption/) > claims > > its possible to > > boot OpenBSD directly from USB without the need for UEFI on sdcard. > > I tried today but couldn't get it to work. I got a blank screen during > the > > installation process. What I did was > > 1) updated the eeprom (bootloader) > > 2) set boot to usb > > 3) wrote install71.img onto ssd. > > > > The boot process did start but I got a blank screen. I was wondering if > > anyone has tried and has had success with booting > > OpenBSD directly from USB. > > > > Thanks > > sandeep > > > > Hi, > > It’s possible to boot from USB only, it’s what I do with a special USB to > NVMe adapter in an argon case but in the process I do, you still need a SD > card and a TTL cable prior to boot only from USB. > > 1. Burn install71.img or miniroot71.img to the SD card > 2. Plug the appropriate TX/RX/GND pins on the board and open a serial line > (using cu/picocom) > 3. Insert the SD card and power on the Pi > 4. Install as usual to the correct USB disk > 5. Reboot. > > The install script uses labels in /etc/fstab which means it will just work > out of the box. > > Note: use an ethernet wire as well if you choose the miniroot, there are > no firmware for bwfm in 7.1 IIRC. > > Regarding your question, you get a blank screen because the installer in > ARM uses serial console by default. > > HTH > > -- > David > >
