freebsd-update with MYKERNEL kernel configuration

[Alexandre L.]

Hi,

I paste this link where Colin Percival explain who to use the tool freebsd-update with custom kernel. But I think that same thing as been written in the handbook. 
http://forums.freebsd.org/showpost.php?p=30920&postcount=9

--- En date de : Jeu 26.11.09, S4mmael <s4mmael at gmail.com> a écrit :

> De: S4mmael <s4mmael at gmail.com>
> Objet: freebsd-update with MYKERNEL kernel configuration
> À: freebsd-questions at freebsd.org
> Date: Jeudi 26 Novembre 2009, 13h32
> Hi all!
> 
> I've got a problem while upgrading FreeBSD 7.2-RELEASE-p3
> -> FreeBSD
> 8.0-RELESE with freebsd-update(8).
> 
> First of all I made a copy of the most configuration files.
> Then I made:
> # freebsd-update -r 8.0-RELEASE upgrade
> All went good, except the message, that because of MYKERNEL
> kernel
> configuration I should upgrade my kernel before
> "freebsd-upgrade
> install". Then I was looking for the way of kernel upgrade,
> but found
> nothing. How could I build 8.0 kernel in FreeBSD 7.2? Of
> course, there
> were 7.2 sources in /usr/src and I didn't find any sources
> in
> /var/db/freebsd-update/. It's the first my question.
> 
> Thus I decided to upgrade all except the kernel and then
> rebuild the
> kernel (that worked good while upgrading 7.1 -> 7.2). I
> made as
> mentioned in hanbook:
> # freebsd-upgrade install
> # shutdown -r now
> # freebsd-upgrade install
> There were many errors "bad sistem call" on th last
> command. After all
> I discovered that much files from / were lost (I didn't
> find any grep,
> bzcat and so on). On boot kernel can't find fsck_ufs, so
> automatic
> mounting fails. If mounted by hand, there is no way to
> login because
> of some init error. Single user mode works. "freebsd-update
> roolback"
> can't find any backup. Shell scripts can't find "test" (it
> really
> doesn't exists in /bin/[ ) and fails.
> 
> How can I restore the system? I've FreeBSD 7.1 CD.
> 
> Thank's in advance for your help.
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