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Date:      Tue, 26 Jul 2005 18:46:08 -0500
From:      Nikolas Britton <nikolas.britton@gmail.com>
To:        FreeBSD - Questions <freebsd-questions@freebsd.org>
Subject:   Re: FreeBSD 6
Message-ID:  <ef10de9a05072616464cee0399@mail.gmail.com>
In-Reply-To: <44ek9lnvm8.fsf@be-well.ilk.org>
References:  <ef10de9a05072613007ac60130@mail.gmail.com> <ef10de9a050726130739ab0b8@mail.gmail.com> <ef10de9a05072613336b21765b@mail.gmail.com> <44ek9lnvm8.fsf@be-well.ilk.org>

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On 26 Jul 2005 16:46:39 -0400, Lowell Gilbert
<freebsd-questions-local@be-well.ilk.org> wrote:
> FreeBSD 6 (which hasn't been released yet, and will change a bit more
> before it is) is still very cutting edge.  I would *strongly*
> recommend that you follow the -CURRENT mailing list if you're going to
> use it.
>=20
> Nikolas Britton <nikolas.britton@gmail.com> writes:
>=20
> > On 7/26/05, Nikolas Britton <nikolas.britton@gmail.com> wrote:
> > > On 7/26/05, Nikolas Britton <nikolas.britton@gmail.com> wrote:
> > > > Do I always need to run 'make cleandepend' when rebuilding a kernel=
,
> > > > normally I build my kernels the old school way?
> > > >
> > > > Is it just me or is -O2 now the default for kernel builds? What abo=
ut
> > > > -Os, safe to use?
>=20
> Yes, and not sure.
>=20
> > > > The kernel build failed when it tired to compile the r128drm device=
.
>=20
> With a default kernel?  Try updating your sources again.
>=20

I can try it again and post the error

> > > > Is it safe to run the ULE scheduler instead of the 4BSD scheduler, =
ULE
> > > > is commented out in the default kernel?
>=20
> See the -CURRENT list archives.  It's gotten fairly stable for a lot
> of people, and performs better in a number of cases, but it still
> causes trouble in some others.

What kind of troubles are we talking about? also I see that preemption
is now on by default. I have been running preemption on a 5.x box of a
long time now, no problems.
=20
>=20
> > > > Is the new ATA RAID stuff, metadata something, going to be backport=
ed
> > > > to 5.x? I'm trying setup a RAID 1 mirror with Intel ICH5R / Adaptec
> > > > HostRAID but it looks like it's not supported in 5.x
>=20
> Search for messages about that.  SOS@ has discussed it quite a bit, if
> I recall correctly.
>=20
> > > One more thing... Will FreeBSD 5.4 kernel modules work under 6.x?
>=20

Yes I just found that out when I tried to load the Highpoint RAID
driver on FreeBSD 6, the system panics very early in the boot process.
This means that FreeBSD 6 is completely out of the question for this
system and I really did not want to run 6.x anyways, I'm migrating a
production 5.4 server to this new hardware.

What is SOS@? and where can I read the discussions about sata RAID
problems? I seem to have two options for this server:
(1) Get the ICH5R / Adaptec HostRAID working with 5.4 (as device ar0, ad4 +=
 ad6)
(2) Find a (cheap) SATA RAID 1 card that is supported by the ar / ata
device in 5.4.

The problem with (2) is that I can't find any cheap (less then $60
USD) SATA RAID 1 cards that will work with device ar. I'm going to
post this problem to a new thread.

>=20
> >
> > Sorry! a few more things:
> >
> > At boot up I get these errors / warnings:
> > "kenv: unable to get dumpdev"
>=20
> Try setting dumpdev?
>=20
> > "no such user: _dhcp, falling back to "nobody""
> >
> > I left groups and master.passwd files to deal with later in
> > mergemaster and then I manually added the dhcp user to both of those
> > files but the system still can't find him.
>=20
> You rebuilt the password database, right?  You know you can't just
> open up the password file and edit it?

No I did not, how do I regenerate the database? normally I use pw or
vipw when I change that stuff and I've never been asked by mergemaster
to change those files.

Also with mergemaster it seemed like 50% of the 100 or so files that
where changed where just changes to the cvs doc revision /
timestamp... wouldn't it be better to install those files by default
instead of asking the user?

>=20
> > "Starting default moused: moused: unable to open /dev/ums0: Device busy=
"
> >
> > I don't know whats up with that but my mouse does work.
>=20
> And if you disable moused?

Not sure, I installed it on one of my home systems and I'm at work.

Thanks.



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