On Wed, Nov 05, 2014 at 11:33:21PM -0500, Ted Unangst wrote: > On Wed, Nov 05, 2014 at 23:04, John Merriam wrote: > > Hello. I am trying to create a 'headless' setup using a softraid crypto > > root with serial console on OpenBSD 5.6-release amd64. > > > > I have everything installed and working just fine, except I'm having a > > problem getting the 'headless' part going. > > > > I followed the instructions in section 7.6 of the FAQ at > > http://www.openbsd.org/faq/faq7.html#SerCon I edited /etc/ttys to > > enable the getty for tty00. I added 'set tty com0' to /etc/boot.conf > > > > It doesn't seem to work though. The Passphrase: prompt is still output > > to pc0, not com0. > > > > If I enter a bogus password at the Passphrase: prompt on pc0 to get to a > > boot> prompt, I can enter 'set tty com0' after which I get a Passphrase: > > prompt on com0 and everything works fine. > > > > It seems like for some reason /etc/boot.conf is not being seen/used? I > > would guess it might have something to do with the softraid crypto root > > setup but I don't know. > > Right. boot.conf is encrypted, so of course it can't be read until > after the passphrase has been read. > > > Is there a bit that needs flipping somewhere to get the serial console > > to work with crypto root? Any info or pointers on this would be greatly > > appreciated. Thanks. > > If you look in sys/arch/amd64/stand/libsa/bioscons.c you'll see two > functions, pc_probe and com_probe, which set cn->cn_pri. You'll need > to swap MIDPRI and LOWPRI and rebuild, then rerun installboot. > > That either makes sense or is a bunch of gibberish. I haven't actually > worked this out, so I can't give you a precise recipe.
Alternatively, you could make a small unencrypted "a" partition on the disk with just an /etc/boot.conf file that contains the following: set tty com0 boot sr0a:/bsd Then do the crypto softraid install to another partition and it should boot like you'd expect. See: http://permalink.gmane.org/gmane.os.openbsd.misc/206003
