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Date: Sat, 24 Nov 2012 19:57:12 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Tim Daneliuk <tundra@tundraware.com>
Subject: Re: Is FreeBSD 9 Production Ready?
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Cc: Matthew Seaman <matthew@freebsd.org>, freebsd-questions@freebsd.org
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On Sat, 24 Nov 2012, Tim Daneliuk wrote:

> On 11/24/2012 03:48 PM, Matthew Seaman wrote:
>> It is not however sufficient to get you a completely upgraded system:
>> you will still have to re-install all of your ports.  Otherwise, as you
>> end up trying to upgrade ports by ones and twos over time, you'll end up
>> with a complete rat's nest of contradictory shared library dependencies
>> and programs crashing left, right and centre.
>
> So I am discovering.  I moved the system to 9.1-PRE today with a
> source compile.  After I then did a make remove-old, the system
> started complaining about missing libraries.  So ... I temporarily
> fixed this with appropriate /etc/libmap.conf entires.  I am now
> about to do a portupgrade -aARrvf to redo the ports.  We'll see
> how that goes...

portupgrade -avf is equivalent (-r and -R are redundant with -a). 
Including -c helps to get the config screens out of the way up front.