Date: Wed, 17 Mar 2010 14:32:27 +0000 From: Tom Evans <tevans.uk@googlemail.com> To: Cristiano Deana <cristiano.deana@gmail.com> Cc: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: 7.2-p7 -> 8-STABLE mergemaster core dump Message-ID: <2e027be01003170732y4ae4312fof9bf64e3574c964a@mail.gmail.com> In-Reply-To: <d8a4930a1003170725y4a946238x6cc3957d92d53e93@mail.gmail.com> References: <d8a4930a1003170725y4a946238x6cc3957d92d53e93@mail.gmail.com>
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On Wed, Mar 17, 2010 at 2:25 PM, Cristiano Deana
<cristiano.deana@gmail.com> wrote:
> Hi,
>
> anyone else tried to update (todas's cvsup) 7.3-p7 to 8-STABLE?
>
> make update
> make buildworld && make kernel && make installworld
> mergemaster
> and i got a "bad system call (core dumped)".
>
> reboot, mergemaster again and it was allright.
>
> i use freebsd from 3.3 (maybe) and this is the first time i had to
> reboot with new kernel/world to make a mergemaster (very dangerous, i
> was remote).
>
> anyone else?
>
You can't always run new userland on an old kernel, but you can always
run old userland on a new kernel, which is why the process you went
through is not the canonical way. See the handbook or
/usr/src/UPDATING:
To rebuild everything and install it on the current system.
-----------------------------------------------------------
# Note: sometimes if you are running current you gotta do more than
# is listed here if you are upgrading from a really old current.
<make sure you have good level 0 dumps>
make buildworld
make kernel KERNCONF=YOUR_KERNEL_HERE
[1]
<reboot in single user> [3]
mergemaster -p [5]
make installworld
make delete-old
mergemaster [4]
<reboot>
Cheers
Tom
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