Date: Thu, 17 Dec 2009 01:51:54 +0100 From: Roland Smith <rsmith@xs4all.nl> To: grarpamp <grarpamp@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Using RELENG_8 to compile for older RELENG_x Message-ID: <20091217005154.GB71135@slackbox.xs4all.nl> In-Reply-To: <d2e731a10912161218h5c56ab7jea22460ba15d9faa@mail.gmail.com> References: <d2e731a10912160115v76d413e1kcf2968886134183e@mail.gmail.com> <20091216102850.GA99834@slackbox.xs4all.nl> <20091216105546.GG14175@lonesome.com> <d2e731a10912161218h5c56ab7jea22460ba15d9faa@mail.gmail.com>
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--i0/AhcQY5QxfSsSZ Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Dec 16, 2009 at 03:18:17PM -0500, grarpamp wrote: > I think I'll try unpacking 4.11's release tarballs into an empty > jail, doing whatever else the install does and launching that. I'm > guessing I should be able to compile/install world/kernel/release/apps > in there. Assuming the running RELENG_8 parent kernel services don't > cause issues. If it doesn't work I can always fall back to [a]. If I understand correctly, you want to use the jail to run a 4.11 userland = on an 8.x kernel? If you are not running GENERIC on the host, remember to incl= ude the COMPAT_FREEBSD4..COMPAT_FREEBSD7 options in your kernel. You'll need th= at to run 4.x binaries. Running older binaries is possible. But on the other hand running a userland that is not in sync with the kernel not supported a= nd known to be able to cause trouble. See e.g. =A724.7 of the Handbook. It will be an interesting experiment at least. :-) I'd probably try installing 4.11 on a old spare machine first. > Yeah, you could consider it 'embedded' all right. Like deep in a > dusty corner, driving some critical legacy shims that they forgot > about in the migration plan, oops. Oops indeed. Old+'dusty corner'+'critical' is not a good combination in my experience. If the scenario also contains the element 'no backups', its time to run for the hills. :-/ Roland --=20 R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) --i0/AhcQY5QxfSsSZ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) iEYEARECAAYFAkspgKoACgkQEnfvsMMhpyWgcgCcCyvJQ3vhd67EYiSEAZLQ1sRk CucAni5XRuWIYXF4JkoCzdkLvewGfeUd =t+DH -----END PGP SIGNATURE----- --i0/AhcQY5QxfSsSZ--
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