4.9-stable to 5.x

[Ryan Sommers]

On Mon, 2003-12-29 at 11:53, Bakul Shah wrote:
> >   o can i just do the normal upgrade as described in UPDATING
> >     (cvsup, buildworld, kernel, installworld, ...) from 4.9 to
> >     5.2RC in one leap?
> 
> Recently I updated a new Dell desktop from 4.9 to 5.x by
> following /usr/src/UPDATING exactly.  In particular I did:
> 
>     mv /usr/src usr/src-4.9
>     mv /usr/obj/usr/src /usr/obj/usr/src-4.9
>     cvsup
>     make buildworld buildkernel installkernel
>     cp -p /sys/i386/conf/GENERIC.hints /boot/device.hints

Believe he means /usr/src/sys/...

>     cd /sys/boot; make install

same

>     reboot
>     <hit a key to interrupt the countdown after the kernel is loaded>
>     boot -s
>     mount -u /
>     mount -a
>     adjkerntz -i
>     mergemaster -p
>     rm -rf /usr/include/g++

cd /usr/src

>     make installworld
>     mergemaster
>     reboot
> 
> You can boot your old kernel if the first reboot fails.  You
> are pretty much commited to running -current after the
> installworld so there is not much point in saving /usr/src as
> I did.  But make sure you are aware of -current changes and
> where to find things in case something goes wrong.  Having
> another freebsd machine nearby would be handy.
> 
> ACPI gave me trouble so I just disabled it.  This is one
> thing worth knowing.  From the boot loader, and before you do
> boot -s, you can do
>     set hint.acpi.0.disabled=1
> If that solves your problem, don't forget to add
>     hint.acpi.0.disabled="1"
> in /boot/device.hints.  There are finer grained knobs you
> can play with.
> 
> >   o is 5.2RC a good compromise choice?
> 
> Probably.  If you happen to cvsup -current in the middle of
> some major commit or breakage you can be in serious trouble.
> At least for upgrade purposes -current seem to be reasonably
> stable these days.  Even so, after cvsupping I watched the
> -current and cvs lists for a while for signs of problems
> before attempting the above.  Just unpack 5.2rc sources in
> /usr/src and follow the same sequence.
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-- 
Ryan "leadZERO" Sommers
Gamer's Impact President
ryans at gamersimpact.com
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