Bug#566719: grub2: grub does not start OS from second harddisk

[Debian]

Package: grub2
Version: 1.96+20080724-16
Severity: important

*** Please type your report below this line ***

Besides - after installing Kubuntu it works there.

-- Package-specific info:

*********************** BEGIN /proc/mounts
/dev/disk/by-uuid/0f470039-4946-4e11-b453-36bbc46cb164 / ext3
rw,errors=remount-ro,data=ordered 0 0
/dev/sda6 /srv fuseblk rw,user_id=0,group_id=0,allow_other,blksize=4096 0 0
*********************** END /proc/mounts

*********************** BEGIN /boot/grub/device.map
(hd0)   /dev/sda
(hd1)   /dev/sdb
*********************** END /boot/grub/device.map

*********************** BEGIN /boot/grub/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/update-grub using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
set default=0
set timeout=5
set root=(hd0,3)
search --fs-uuid --set 0f470039-4946-4e11-b453-36bbc46cb164
if font /usr/share/grub/ascii.pff ; then
  set gfxmode=640x480
  insmod gfxterm
  insmod vbe
  terminal gfxterm
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set root=(hd0,3)
search --fs-uuid --set 0f470039-4946-4e11-b453-36bbc46cb164
insmod png
if background_image /boot/grub/moreblue-orbit-grub.png ; then
  set color_normal=black/black
  set color_highlight=magenta/black
else
  set menu_color_normal=cyan/blue
  set menu_color_highlight=white/blue
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_hurd ###
### END /etc/grub.d/10_hurd ###

### BEGIN /etc/grub.d/10_linux ###
menuentry "Debian GNU/Linux, linux 2.6.26-2-amd64" {
        set root=(hd0,3)
        search --fs-uuid --set 0f470039-4946-4e11-b453-36bbc46cb164
        linux   /boot/vmlinuz-2.6.26-2-amd64
root=UUID=0f470039-4946-4e11-b453-36bbc46cb164 ro
        initrd  /boot/initrd.img-2.6.26-2-amd64
}
menuentry "Debian GNU/Linux, linux 2.6.26-2-amd64 (single-user mode)" {
        set root=(hd0,3)
        search --fs-uuid --set 0f470039-4946-4e11-b453-36bbc46cb164
        linux   /boot/vmlinuz-2.6.26-2-amd64
root=UUID=0f470039-4946-4e11-b453-36bbc46cb164 ro single
        initrd  /boot/initrd.img-2.6.26-2-amd64
}
menuentry "Debian GNU/Linux, linux 2.6.26-1-amd64" {
        set root=(hd0,3)
        search --fs-uuid --set 0f470039-4946-4e11-b453-36bbc46cb164
        linux   /boot/vmlinuz-2.6.26-1-amd64
root=UUID=0f470039-4946-4e11-b453-36bbc46cb164 ro
        initrd  /boot/initrd.img-2.6.26-1-amd64
}
menuentry "Debian GNU/Linux, linux 2.6.26-1-amd64 (single-user mode)" {
        set root=(hd0,3)
        search --fs-uuid --set 0f470039-4946-4e11-b453-36bbc46cb164
        linux   /boot/vmlinuz-2.6.26-1-amd64
root=UUID=0f470039-4946-4e11-b453-36bbc46cb164 ro single
        initrd  /boot/initrd.img-2.6.26-1-amd64
}
menuentry "Ubuntu, Linux 2.6.31-14-generic" {
        recordfail=1
        if [ -n ${have_grubenv} ]; then save_env recordfail; fi
        set quiet=1
        insmod ext2
        set root=(hd1,2)
        search --no-floppy --fs-uuid --set
b50b1d28-0fb1-451c-ac3c-e9abfff26035
        linux   /boot/vmlinuz-2.6.31-14-generic
root=UUID=b50b1d28-0fb1-451c-ac3c-e9abfff26035 ro   quiet splash
        initrd  /boot/initrd.img-2.6.31-14-generic
}
menuentry "Ubuntu, Linux 2.6.31-14-generic (recovery mode)" {
        recordfail=1
        if [ -n ${have_grubenv} ]; then save_env recordfail; fi
        insmod ext2
        set root=(hd1,2)
        search --no-floppy --fs-uuid --set
b50b1d28-0fb1-451c-ac3c-e9abfff26035
        linux   /boot/vmlinuz-2.6.31-14-generic root=/dev/sdb2 ro single
        initrd  /boot/initrd.img-2.6.31-14-generic
}
// ### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_otheros ###

# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/hda1
menuentry "Microsoft Windows XP Professional" {
        set root=(hd0,0)
        chainloader +1
}

# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/hda2
menuentry "Windows 7" {
        set root=(hd0,1)
        chainloader +1
}
### END /etc/grub.d/30_otheros ###

### BEGIN /etc/grub.d/40_custom ###
# This file is an example on how to add custom entries
### END /etc/grub.d/40_custom ###

-- System Information:
Debian Release: 5.0.3
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE at euro, LC_CTYPE=de_DE at euro (charmap=ISO-8859-1)
(ignored: LC_ALL set to de_DE)
Shell: /bin/sh linked to /bin/bash

Versions of packages grub2 depends on:
ii  debconf [debconf-2.0]   1.5.24           Debian configuration
management sy
ii  grub-pc                 1.96+20080724-16 GRand Unified Bootloader,
version

grub2 recommends no packages.

grub2 suggests no packages.

-- debconf information:
  grub2/numbering_scheme_transition: