Em 19/08/2011 07:09, Mick <michaelkintzios@gmail.com> escreveu:
> On Friday 19 Aug 2011 03:27:23 Mark Knecht wrote:

> > On Thu, Aug 18, 2011 at 11:59 AM,  frares@gmail.com> wrote:
> > > Hi, guys
> > >
> > > It is a shame, I know, but after several years using Gentoo, it is the
> > > first time I try to build a kernel without "genkernel".
> > >
> > > And now I can't boot to that new kernel, it does not find (and really do
> > > not have a) /dev/sda* root partition ("real-root"); during the boot it
> > > stops, complaining about that, gives me the option to get a shell, from
> > > which I am able to see that there is no /dev/sda* .
> > >
> > > I have included everything SATA, so it looks like that is not a kernel
> > > problem, but a initramfs issue, I guess.
> > >
> > > What am I missing?
> > >

> > > Thanks a lot
> > > Francisco
> > >
> > > P.S.: my boot partition is sda2, sda3 is a swap partition, and everything
> > > else is in sda4. sda1 is not used (up to now) and this is my grub.conf :
> > >
> > > title Gentoo Linux 2.6.39-gentoo-r3
> > > root (hd0,1)
> > > kernel /boot/kernel-genkernel-x86_64-2.6.39-gentoo-r3 ro root=/dev/ram0
> > > init=/linuxrc real_root=/dev/sda4 vga=0x318 video=uvesafb:1024x768-32
> > > nodevfs udev devfs=nomount quiet CONSOLE=/dev/tty1
> > > initrd /boot/initramfs-genkernel-x86_64-2.6.39-gentoo-r3
> >
> > Maybe I'm missing the obvious here but have you taken a copy of
> > whatever config file was used/generated by genkernel and used that as
> > a jumping off point for building your own kernel. kernel's a kernel's
> > a kernel. What it is capable of doing is in the .config file. If
> > genkernel doesn't give you a .config file - I've never used genkernel
> > so I don't know what it does - then assuming you have the feature
> > turned on you can get the running config using zcat /proc/config.gz.
> > Save that to a new .config file, put it in the kernel source directory
> > and you should be good to go.
> >
> > You can also use zcat /proc/config.gz on the install CD kernel if yuo
> > boot from that. Save it to a disk and use it as the basis for creating
> > your own config.
>
> If you no longer use genkernel it is likely that you do not need an initram.
> Build chipset and fs modules into the kernel.  Other drivers you can choose if
> you want to build as modules.

I the case I don't need a initram, I guess that the grub line for parameter passing to the kernel would be empty. Am I wrong?

I was just looking on how to build my own initram. What is it supposed to do anyway?