freebsd-update(8) and custom kernels

[Julien Cigar]

On Tue, Nov 06, 2018 at 05:01:54PM +0100, Aram Hăvărneanu wrote:
> Hello,
> 
> The FreeBSD handbook claims that freebsd-update(8) will leave custom
> kernels alone, and that if using a custom kernel it will update
> /boot/GENERIC to the release kernel if it exists. It also hints
> that it uses this /boot/GENERIC for upgrades between releases,
> allowing you to install your custom kernel post-upgrade after you
> will have rebuilt it.
> 
> This is not what's happening at all, instead freebsd-update(8) is
> trashing custom kernels without warning. There have been several
> threads about this on the mailing list. The only conclusion I have
> been able to draw from them is that the handbook is out of date.
> Apparently the current, undocumented behavior dates back at least
> six years.
> 
> So, is it possible to track -RELEASE using freebsd-update(8) and
> still use custom kernels? Of course I can remove "kernel" from
> "Components" in freebsd-update.conf and then freebsd-update(8) won't
> overwrite my kernel, but I would imagine I won't be able to upgrade
> between releases that way, since freebsd-update(8) will not provide
> an intermediary newer n+1 GENERIC kernel to boot the new n+1 release.
> 
> What's the solution here? Is there one?

I usually use:
$> freebsd-update fetch
$> freebsd-update install
$> make kernel KERNCONF=MYKERNEL
$> reboot

> 
> Thanks,
> 
> -- 
> Aram Hăvărneanu
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-- 
Julien Cigar
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