Loader.conf problem

[Warner Losh]

On Mon, Nov 20, 2017 at 2:42 PM, Thomas Laus <lausts at acm.org> wrote:

> Warner Losh [imp at bsdimp.com] wrote:
> > On Mon, Nov 20, 2017 at 1:30 PM, Thomas Laus <lausts at acm.org> wrote:
> >
> > > I recently upgraded my FreeBSD-Current system today and did not fully
> > > understand the impact of changes to loader.conf.  My system has a Geli
> > > encrypted ZFS pool.  In the past whenever I screwed up, I was able to
> > > use 'Beadm' into boot the most recent good kernel or enter a shell to
> > > reread the UPDATING notes for a clearer understanding of what needs to
> > > be done before rebooting.
> > >
> > > Is my system recoverable or does it require wiping and reloading from a
> > > snapshot?  If it is recoverable, how to do?
> > >
> >
> > My changes to the system hasn't changed how things work. Or at least
> > shouldn't have changed anything. If they do, that's likely a bug, and
> > likely my fault.
> >
> > The one exception is if you're booting off GELI + ZFS with UEFI based on
> > boot1.efi changes that were in the tree for a few days...
> >
> This PC is not using UEFI to boot.  After booting I get the following
> message:
>
> gptzfsboot: No ZFS pools located; Cant't boot
>
> That is as far as things go.  I read the UPDATING file before I
> builtworld and built a kernel.  This was the first boot after doing an
> installworld and performing mergemaster and then copying the
> /boot/gptzfsboot file to ada0p1 and ada1p1.


Can you revert this part of the change? Go back to a known-working version
of those files? Let me know if that fixes the problem? Bonus points for
bisecting which one of the few dozen commits I did that caused this
regression...

I don't have  a GELI + ZFS test bed here.

Warner