Rebuilding kernel/system to a state "back-in-time"?

Erik Cederstrand erik at
Mon Nov 5 07:24:37 PST 2007

Ewald Jenisch wrote:
> Hi,
> Because of severe problems wrt. a third party app (TSM Backup - see my
> previous post) I'm looking for a way to compile a kernel/system to a
> state as it was several weeks ago.
> To be specific I'd like to build my system/kernel using the
> source-files of FreeBSD 6.2 as they were back on September 14, 2007.
> In cvsup there seems to be a feature "date=..." that should be able to
> accomplish this. Has anybody out there used it sucessfully? Is specifying
> date=2007.
> together with the default-settings in my stable-cvsup-file 
> *default host= <here comes my cvsup-host>
> *default base=/var/db
> *default prefix=/usr
> *default release=cvs tag=RELENG_5

Should be tag=RELENG_6_2

> *default delete use-rel-suffix
> *default compress
> src-all         
> enough?

That should suffice.

> Anything else to consider?

This assumes you're already running 6.2. As long as you don't switch 
branches (or choose a date before the branch occurred!), you should be 
good to go.


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