Gentoo Archives: gentoo-dev

From: Marc Schiffbauer <mschiff@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Re: newsitem: unmasking udev-181
Date: Mon, 12 Mar 2012 14:10:48
Message-Id: 1364768.THREJWvyr1@bart
In Reply to: Re: [gentoo-dev] Re: newsitem: unmasking udev-181 by "Robin H. Johnson"
On Sunday 11 March 2012 21:08:47 Robin H. Johnson wrote:
> On Sun, Mar 11, 2012 at 12:49:11AM -0600, Ryan Hill wrote: > > On Sat, 10 Mar 2012 20:27:06 -0600 > > > > William Hubbs <williamh@g.o> wrote: > > > An initramfs which does this is created by >=sys-kernel/genkernel-3.4.25 > > > or > > > > > > >=sys-kernel/dracut-017-r1. If you do not want to use these tools, be > > > > > > sure any initramfs you create pre-mounts /usr. > > > > We should really have some documentation on how to create a minimal > > initramfs that mounts /usr (if we don't already, I haven't looked). I've > > never needed one until now and don't have the foggiest idea how it's > > done. I can't be the only one. > > The quickest initramfs, assuming that ALL kernel modules you need to > boot are already compiled into your kernel: > genkernel --install --no-ramdisk-modules initramfs
But this will not mount /usr. At least it did not for me. To make it work you have to # echo "/usr" >> /etc/initramfs.mounts and recreate the ramdisk (genkernel ramdisk) I had to look into the code for that as this seems not to be documented anywhere. -Marc


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Subject Author
Re: [gentoo-dev] Re: newsitem: unmasking udev-181 "Robin H. Johnson" <robbat2@g.o>