make installkernel error "You need to install a new /boot before you can install a new kernel, kernels are now installed"

[Siju George]

On Fri, Sep 24, 2010 at 8:36 AM, Matthew Dillon
<dillon at apollo.backplane.com> wrote:
>
> :I have kept my Backup server from upgrading because of this. I am
> :running the development version. Is it ok to upgrade to current?
> :
> :thanks :-)
> :
> :--Siju
>
>    We are still finding bugs but I think 95% of the problems have been
>    dealt with.  Both TheShell and Avalon has been up 3.5 days running
>    recent kernels.
>
>    I recommend setting up a /boot/kernel.bak/ directory with your working
>    kernel+modules and then go ahead and upgrade to master.  The more real
>    machines we have running it the faster we can get it release-ready.
>

dfly-bkpsrv# make installkernel KERNCONF=GENERIC
--------------------------------------------------------------
>>> Kernel install for GENERIC started on Fri Sep 24 12:29:05 IST 2010
--------------------------------------------------------------
cd /usr/obj/usr/src/sys/GENERIC;
MAKEOBJDIRPREFIX=/usr/obj/usr/src/world_i386  OBJTREE=/usr/obj
MACHINE_ARCH=i386  MACHINE=i386  MACHINE_PLATFORM=pc32
OBJFORMAT_PATH=/usr/obj/usr/src/ctools_i386_i386  HOST_CCVER=gcc41
CCVER=gcc41  BINUTILSVER=binutils217
PATH=/usr/obj/usr/src/ctools_i386_i386/usr/sbin:/usr/obj/usr/src/ctools_i386_i386/usr/bin:/usr/obj/usr/src/ctools_i386_i386/bin:/usr/obj/usr/src/ctools_i386_i386/usr/games:/usr/obj/usr/src/btools_i386/usr/sbin:/usr/obj/usr/src/btools_i386/usr/bin:/usr/obj/usr/src/btools_i386/bin:/usr/obj/usr/src/btools_i386/usr/games
make KERNEL=kernel install
You need to install a new /boot before you
can install a new kernel, kernels are now installed
into a subdirectory along with their modules
*** Error code 1

Stop in /usr/obj/usr/src/sys/GENERIC.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.

How do I fix this?

thanks

--Siju