Re: [gentoo-user] problems getting systemd to work

[Tom H <tomh0665@gmail.com>]

On Thu, May 15, 2014 at 2:18 AM, Canek Peláez Valdés <caneko@gmail.com> wrote:
>
> OK, I was a little mystified about why dracut-036 worked on my system
> and 037 didn't. Before I tried any workaround, I wanted to know what
> changed from the previous version to the current one.
>
> So I generated an initramfs with dracut-036-r4 and another one with
> dracut-037-r1, and I tried to see what changed from one to the other.
> The answer is surprisingly easy: in /etc/cmdline.d/, the following
> files where in the 036-r4 version, but not in the 037-r4:
>
> 90crypt.conf
> 90lvm.conf
> 90mdraid.conf
> base.conf
>
> Te contents of those files are (90crypt.conf is empty):
>
> 90lvm.conf
>    rd.lvm.lv=vg/vol1
>    rd.lvm.lv=vg/vol4
>    rd.lvm.lv=vg/vol3
>
> 90mdraid.conf
>    rd.md.uuid=f4a59e68:fbe4039f:a39fc86d:e9e91e12
>
> base.conf
>    ro
>
> So I just changed my /etc/default/grub file:
>
> GRUB_CMDLINE_LINUX="init=/usr/lib/systemd/systemd quiet nosplash
> rd.lvm.lv=vg/vol1 rd.lvm.lv=vg/vol4 rd.lvm.lv=vg/vol3
> rd.md.uuid=f4a59e68:fbe4039f:a39fc86d:e9e91e12"
>
> I regenerated my GRUB2 config, and now again my LVM test system works
> perfectly with the latest dracut version.
>
> The thing is, I *ALWAYS* use the -H (host only) option, so it was my
> understanding that the command line should be automatically generated,
> and it was on 036, but now it doesn't in 037. I think that's a bug.
>
> John, with respect to your case: did you used "dracut --print-cmdline"
> to get the command line? Also, have you tried to use -H to generate
> your initramfs?

There are two new options, "--hostonly-cmdline" (store kernel command
line arguments needed in the initramfs) and "--no-hostonly-cmdline"
(Do not store kernel command line arguments needed in the initramfs).