[gentoo-user] grub2 or kernel config - unable to properly boot

[Francisco Ares <frares@gmail.com>]

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Hi,

After a few solved problems, I am still unable to completely boot using
grub:2, and now I just can't find anything else to fiddle with.

So I would really appreciate if someone could take a look at my
configuration:

- system is amd64;
- hard disk partitioning:
  - two first primary partitions, unused (for now);
  - third (/dev/sda3) is /boot partition, kernel built and in place;
  - extended partition as fourth partition;
  - logical partition (/dev/sda5) is "/" linux partition, ext4 formated;
- emerged  the following, before building kernel;
  - genkernel ;
  - media-gfx/splashutils-1.5.4.4-r1;
  - media-gfx/splash-themes-gentoo-20101212-r1 ;
  - sys-apps/v86d-0.1.10;
- genkernel command line:
    genkernel all \
        --color --menuconfig --splash=natural_gentoo \
        --splash-res=1024x768,1280x1024,1366x768,1440x900 \
        --mountboot --install  --unionfs --real-root=/dev/sda5 \
        --ramdisk-modules --postclear
- kernel built with:
  - CONFIG_FB_UVESA=y
  - CONFIG_INITRAMFS_SOURCE="/usr/share/v86d/initramfs"
  - CONFIG_EXT4_FS=y
  - CONFIG_EXT4_FS_POSIX_ACL=y
  - CONFIG_EXT4_FS_SECURITY=y
- grub2 defaults (/etc/defaults/grub2) only difference from original:
  GRUB_CMDLINE_LINUX="init=/linuxrc real_root=/dev/sda5
video=uvesafb,mtrr:3,ywrap splash=silent,fadein,theme:natural_gentoo
nodevfs udev devfs=nomount CONSOLE=/dev/tty1 quiet"

- sample extract from grub:0 config file, used in a working (a bit older)
system:
    title=Gentoo Linux (3.8.13-gentoo)
    root (hd0,1)
    kernel /boot/kernel-genkernel-x86_64-3.8.13-gentoo ro root=/dev/ram0 \
        init=/linuxrc real_root=/dev/sda4 vga=791
splash=silent,theme:natural_gentoo \
        console=tty1 verbose nodevfs udev devfs=nomount CONSOLE=/dev/tty1
quiet
    initrd /boot/initramfs-genkernel-x86_64-3.8.13-gentoo


Now the boot stops showing the messages (after the Tux logos appeared):

Can't open cfg file //etc/splash/natural_gentoo/640x480.cfg
No verbose picture specified in the theme
No silent picture specified in the theme
No verbose picture specified in the theme
Can't open cfg file //etc/splash/natural_gentoo/640x480.cfg
No verbose picture specified in the theme
No silent picture specified in the theme
!! Block device /dev/sda5 is not a valid root device


The last line explains the ones preceding it.

Any hints on where to look at?

Thanks
Francisco

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