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From: Mick <michaelkintzios@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] grub menu and the new openrc
Date: Tue, 17 May 2011 06:58:20 +0100
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On Monday 16 May 2011 13:10:52 Dale wrote:
> Mick wrote:
> > Did you try creating a new runlevel (dale_special) and then booting into
> > it by appending softlevel=3Ddale_special ?
> >=20
> > That will prove if the Gentoo softlevel mechanism is no longer availabl=
e.
>=20
> I tried some of the other runlevels, nonetwork, single, boot and none of
> those work except for single by just putting "rw single" in the boot
> line. Single doesn't work if I select it by using softlevel=3Dsingle.
> That does work if I am in default then switch to single in a console
> tho. That would be using the "rc single" command. I used to have
> another runlevel that I created myself but I removed it a good while
> back when I got boot set up like I wanted. It appears that openrc has
> not been told what softlevel is. I do see where it is passed on to the
> OS from grub during the boot process tho.
OK, it is clear then that (some?) of the gentoo runlevels called with the=20
softlevel incantation do not work as they used to with baselayout 1. I jus=
t=20
tried softlevel=3Dsingle and it definitely didn't work. Also,=20
softlevel=3Dsysinit, didn't work. However, softlevel=3Dnonetwork *did* wor=
k ...=20
well, sort of. It mounted everything, then started devices including my=20
network card (I have enabled rc_hotplugging devices in /etc/rc.conf so this=
=20
may have something to do with it) and then it stopped before starting thing=
s=20
like iptables, local, etc.
Sure enough I had an IP address and was able to connect to the world ...=20
albeit without iptables running (not sure I would have a use case for this=
=20
scenario).
I'm not sure if setting rc_hotplug made this messy, but from=20
$ ls -la /etc/runlevels/
total 32
drwxr-xr-x 8 root root 4096 May 2 10:54 .
drwxr-xr-x 88 root root 4096 May 16 21:11 ..
drwxr-xr-x 2 root root 4096 May 2 10:54 boot
drwxr-xr-x 2 root root 4096 May 15 20:01 default
drwxr-xr-x 2 root root 4096 Jan 21 2010 nonetwork
drwxr-xr-x 2 root root 4096 May 2 10:54 shutdown
drwxr-xr-x 2 root root 4096 Jan 21 2010 single
drwxr-xr-x 2 root root 4096 May 2 10:54 sysinit
single and sysinit are ignored (runlevel 3 comes up).
> > I think that nox brings you all the way up to runlevel 3, not runlevel =
1.
>=20
> I have used nox before on a CD. The reason I like to use the ones I
> already have is that I already know exactly what is running and what is
> not. When I boot to single by adding "rw single" to the end of the boot
> line, I still have to start some services to get where I want to be.
> Being able to boot to the boot runlevel is much better since I have some
> things already set to start. Openrc doesn't mount things listed in
> fstab such as /home/ portage and /var which are separate partitions.
I wouldn't expect it to mount anything other than / under single.
> >> The thing is, I do use them which is why I went to the trouble of
> >> setting them up to begin with. I actually use them pretty regular.
> >> Just because others don't use them doesn't mean that I don't or
> >> shouldn't.
In that case you probably need runlevel 3, but just with nox?
> > The definitive answer is that the gentoo "single" softlevel does not
> > work. The Linux standard "single" or "S" or "1" runlevel works fine (but
> > I can't recall if I tried "1" recently).
> >=20
> > So the question remains what is happening with other softlevels if you
> > care to create them.
>=20
> I'm beginning to think that openrc goes back to the "old" Linux way. In
> other words, it uses the init levels instead of softlevels. =20
Yes, this seems to be the case, although not in a clear way (otherwise why =
is=20
softlevel=3Dnonetwork working?)
> The only
> thing that makes me think that is not true, init=3Drunlevel doesn't work
> either. I suspect that init=3D/bin/bash would work but not tested yet. =
=20
init=3D"/bin/bash" works. You log in as root user without passwd. Only th=
e /=20
fs is mounted as rw. Everything else is a manual job and you must run sync=
=20
after you make any changes, or your fs may not forgive you.
> I
> have this in inittab:
>=20
> l0:0:wait:/sbin/rc shutdown
> l0s:0:wait:/sbin/halt -dhp
> l1:1:wait:/sbin/rc single
> l2:2:wait:/sbin/rc nonetwork
> l3:3:wait:/sbin/rc default
> l4:4:wait:/sbin/rc default
> l5:5:wait:/sbin/rc default
> l6:6:wait:/sbin/rc reboot
> l6r:6:wait:/sbin/reboot -dk
If you append any number from above, like 1, or 2, or 3, etc. to the kernel=
=20
line it will work.
> I assume I could edit that to look like this:
>=20
> l0:0:wait:/sbin/rc shutdown
> l0s:0:wait:/sbin/halt -dhp
> l1:1:wait:/sbin/rc single
> l2:2:wait:/sbin/rc boot
> l3:3:wait:/sbin/rc nonetwork
> l4:4:wait:/sbin/rc default
> l5:5:wait:/sbin/rc default
> l6:6:wait:/sbin/rc reboot
> l6r:6:wait:/sbin/reboot -dk
> #z6:6:respawn:/sbin/sulogin
>=20
> The only problem with that is that there are more runlevel options than
> there are lines there for me to add.
I am not sure that you are meant to edit this manually. I thought that if =
you=20
want another runlevel you are meant to add this using rc-update and then ad=
d=20
the services via symlinks in /etc/runlevels/<my_runlevel_name>/
> Even tho I can sort of get to what I want, I still want to get the new
> way sorted so that I can get the doc team to update the docs. If this
> has been overlooked, then it may be that the devs will have to add this
> feature or make other changes so that this is doable.
>=20
> I also posted on the forums. They are equally stumped. I am beginning
> to think this was over looked somehow.
Please let us know what's the new way to do this once it settles.
=2D-=20
Regards,
Mick
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