Thanks for your reply, jdmcdaniel3
This is the current content of ‘/boot/grub2/grub.cfg’:
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if -s $prefix/grubenv ]; then
load_env
fi
set default="${saved_entry}"
if x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
if "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function load_video {
if x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
if x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
set root='hd1,msdos2'
if x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos2 --hint-efi=hd1,msdos2 --hint-baremetal=ahci1,msdos2 --hint='hd1,msdos2' e1451502-7bc1-4e01-bb74-e04798b880a7
else
search --no-floppy --fs-uuid --set=root e1451502-7bc1-4e01-bb74-e04798b880a7
fi
font="/usr/share/grub2/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=1280x1024
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=POSIX
insmod gettext
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 --hint='hd1,msdos1' 190cd9c4-f81b-47d2-a378-630022fd3b52
else
search --no-floppy --fs-uuid --set=root 190cd9c4-f81b-47d2-a378-630022fd3b52
fi
insmod gfxmenu
loadfont ($root)/grub2/themes/openSUSE/DejaVuSans-Bold14.pf2
loadfont ($root)/grub2/themes/openSUSE/DejaVuSans10.pf2
loadfont ($root)/grub2/themes/openSUSE/DejaVuSans12.pf2
loadfont ($root)/grub2/themes/openSUSE/ascii.pf2
insmod png
set theme=($root)/grub2/themes/openSUSE/theme.txt
export theme
if sleep --interruptible 0 ; then
set timeout=8
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'openSUSE 12.2' --class opensuse --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-e1451502-7bc1-4e01-bb74-e04798b880a7' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 --hint='hd1,msdos1' 190cd9c4-f81b-47d2-a378-630022fd3b52
else
search --no-floppy --fs-uuid --set=root 190cd9c4-f81b-47d2-a378-630022fd3b52
fi
echo 'Loading Linux 3.4.6-2.10-desktop ...'
linux /vmlinuz-3.4.6-2.10-desktop root=UUID=e1451502-7bc1-4e01-bb74-e04798b880a7 resume=/dev/disk/by-id/ata-ST31000524AS_6VPBQLYJ-part1 splash=silent quiet showopts
echo 'Loading initial ramdisk ...'
initrd /initrd-3.4.6-2.10-desktop
}
submenu 'Advanced options for openSUSE 12.2' $menuentry_id_option 'gnulinux-advanced-e1451502-7bc1-4e01-bb74-e04798b880a7' {
menuentry 'openSUSE 12.2, with Linux 3.4.6-2.10-desktop' --class opensuse --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.4.6-2.10-desktop-advanced-e1451502-7bc1-4e01-bb74-e04798b880a7' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 --hint='hd1,msdos1' 190cd9c4-f81b-47d2-a378-630022fd3b52
else
search --no-floppy --fs-uuid --set=root 190cd9c4-f81b-47d2-a378-630022fd3b52
fi
echo 'Loading Linux 3.4.6-2.10-desktop ...'
linux /vmlinuz-3.4.6-2.10-desktop root=UUID=e1451502-7bc1-4e01-bb74-e04798b880a7 resume=/dev/disk/by-id/ata-ST31000524AS_6VPBQLYJ-part1 splash=silent quiet showopts
echo 'Loading initial ramdisk ...'
initrd /initrd-3.4.6-2.10-desktop
}
menuentry 'openSUSE 12.2, with Linux 3.4.6-2.10-desktop (recovery mode)' --class opensuse --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.4.6-2.10-desktop-recovery-e1451502-7bc1-4e01-bb74-e04798b880a7' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 --hint='hd1,msdos1' 190cd9c4-f81b-47d2-a378-630022fd3b52
else
search --no-floppy --fs-uuid --set=root 190cd9c4-f81b-47d2-a378-630022fd3b52
fi
echo 'Loading Linux 3.4.6-2.10-desktop ...'
linux /vmlinuz-3.4.6-2.10-desktop root=UUID=e1451502-7bc1-4e01-bb74-e04798b880a7 showopts apm=off noresume edd=off powersaved=off nohz=off highres=off processor.max_cstate=1 nomodeset x11failsafe
echo 'Loading initial ramdisk ...'
initrd /initrd-3.4.6-2.10-desktop
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_ppc_terminfo ###
### END /etc/grub.d/20_ppc_terminfo ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows 7 (loader) (on /dev/sdc1)' --class windows --class os $menuentry_id_option 'osprober-chain-AA42B67942B64A39' {
insmod part_msdos
insmod ntfs
set root='hd2,msdos1'
if x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd2,msdos1 --hint-efi=hd2,msdos1 --hint-baremetal=ahci2,msdos1 --hint='hd2,msdos1' AA42B67942B64A39
else
search --no-floppy --fs-uuid --set=root AA42B67942B64A39
fi
chainloader +1
}
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
### BEGIN /etc/grub.d/90_persistent ###
### END /etc/grub.d/90_persistent ###
Guess I have rather peculiar partitioning scheme then 
I also do see an error message before the grub screen, but I’m unable to make out what it say - cause it’s only there for about 0.3 seconds.
I’ll have a look into that Bash-script as well