freebsd stable - Jan 2019 - FreeBSD update & custom kernel

Hi everyone,
I recently tried out freebsd-update on a system with a custom kernel (it uses
ALTQ) and it seems that this means you have to reboot into the new generic
kernel, build the custom kernel & install it and then reboot again.

Obviously for me this is not a huge deal since I only need it for ALTQ but it is
more challenging if you need a custom kernel because a GENERIC one crashes etc..
It also reduces downtime significantly since it saves a reboot etc..

Is it feasible for freebsd-update to update the source before the first reboot
so a custom kernel can be built? Even if it had to go into a separate directory
to allow rollback to work it would be a worthwhile tradeoff.

I have no idea how feasible such a thing would be though :)

Thanks

--
Daniel O'Connor
"The nice thing about standards is that there
are so many of them to choose from."
 -- Andrew Tanenbaum

On Fri, Jan 25, 2019 at 05:03:32PM +1030, O'Connor, Daniel
wrote:
> Hi everyone,
Hi Daniel,
> Is it feasible for freebsd-update to update the source before the
> first reboot so a custom kernel can be built?
It's a hack, but sorta kinda yes.

Use freebsd-update to update only the source, and follow the
instructions here:
https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html 
Which suggests to use svc to update sources instead of freebsd-update.

Or you can use two separate freebsd-update config files, modified
one modified to exclude i.e remove "src" from "Components"
line, and new
copied from the default which excudes everything exept the souces i.e.
"Components src".

Update only the source, build world and kernel(s), install the locally
built kernel and the the normal freebsd-update.

Regards,

Esa

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