Panic after updating from source

[Janos Dohanics]

On Sun, 28 Feb 2021 10:04:13 -0800
Michael Sierchio <kudzu at tenebras.com> wrote:

> On Sun, Feb 28, 2021 at 9:04 AM Janos Dohanics <web at 3dresearch.com> wrote:
> 
> > On Sun, 28 Feb 2021 07:37:37 -0800
> > Michael Sierchio <kudzu at tenebras.com> wrote:
> >
> > > On Sat, Feb 27, 2021 at 11:39 PM Janos Dohanics <web at 3dresearch.com>
> > wrote:
> > >
> > > > Hello Experts,
> > > >
> > > > After updating my FreeBSD 12 workhorse panics on boot.
> > > >
> > > > I have updated /usr/src, then
> > > >
> > > > make buildworld
> > > > make buildkernel KERNCONF=MYKERNEL
> > > > make installkernel KERNCONF=MYKERNEL
> > >
> > >
> > > make installworld ?!
> >
> > You have to reboot with the new kernel before executing 'make
> > installworld'.
> >
> >
> That's not strictly factual.  In fact, if you don't installworld before
> booting, you can have a mismatch between userland and kernel interfaces.
> 
> make buildworld && make kernel && make installworld && reboot
> 
> that always works for me when following a -STABLE branch.
> [...]

Well, as others have pointed out rebooting after 'make installkernel'
is the recommendation by the Handbook, which I have followed.

Any advice on my original question?

-- 
Janos Dohanics