Installing packages using ports after freebsd-update doesn't work on amd64

[Sorin Panca]

Claus Guttesen wrote:
>>> If you haven't already you have to remove and reinstall _all_ of your
>>> ports after doing a major version upgrade (6.x -> 7.x).
>>>
>> Prior to starting the upgrade I did a pkg_delete -a. I wanted a clean
>> system (just like a reinstallation). How do I ensure that all packages
>> were removed by pkg_delete -a ?
>> Running pkg_delete -a returns "pkg_delete: no packages installed"
> 
> pkg_info

(To Claus Guttesen: I'm sorry for the previous response e-mail.)
pkg_info
pkg_info: no packages installed

Sorin.