On Tue, Dec 30, 2025 at 09:11:58PM +0200, Mihai Popescu wrote: > > You could try dropping to a shell in the installer and modifying install.md > > to > > remove the -c option to installboot: > > > > # sed -i.bak 's/installboot -cr/installboot -r/' install.md > > > > Do this before starting the installation, and use UEFI with GPT for this > > install. Let us know if it works or if anything changes. > > Do I really let you know if it works? Of course it works! I am sending > this mail after the installation success using your modifications!
Great! > I've read > the man page for installboot -c but i am not sure what -c is doing > different from -r. Maybe someone can tell from the code. The -c option causes installboot to try to update the actual efi firmware settings to make the new OpenBSD installation the default OS to boot. In other words, it's changing a 'bios option' rather than doing anything within the OpenBSD installation itself.
