Geom label lost after expanding partition

[Olivier Cochard-Labbé]

On Thu, Aug 16, 2012 at 6:30 PM, Kevin Oberman <kob6558 at gmail.com> wrote:
> I have a GPT formatted disk where I recently expanded the size of a
> partition. I used "gpart resize -i 6 ada1" first to expand the
> partition to use the remaining free space and then growfs to modify
> the FFS file system to use the full partition. This was all done in
> single-user mode, of course, but when I enter "exit" to bring the
> system up, it failed to mount /usr. This was because /dev/ufs/usr did
> not exist!

I've met the same problem, check this PR for a dirty workaround:

http://www.freebsd.org/cgi/query-pr.cgi?pr=165962

Regards,
Olivier