Bug#558087: grub-pc: Auto-detection of a filesystem module failed.

[Jonathan Nieder]

Jonathan Nieder wrote:

> Setting up grub-pc (1.97+20091125-1) ...
> grub-probe: error: cannot stat (null)
> Auto-detection of a filesystem module failed.
> Please specify the module with the option `--modules' explicitly.
> Generating grub.cfg ...
> 
> I have not tried booting with the result; too scared. :)
> 
> This is an x86 system, /boot is a normal directory in the root
> filesystem, and os-prober is not installed.

More to the point I guess, the root filesystem is in ext3 format.

Bug script output from grub-pc_1.97+20091115 (I downgraded) attached.
-------------- next part --------------

*********************** BEGIN /proc/mounts
/dev/disk/by-uuid/9dd1f668-ec78-4bd3-9bc3-b6f6073468f7 / ext3 rw,relatime,errors=remount-ro,data=writeback 0 0
*********************** END /proc/mounts

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

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

### BEGIN /etc/grub.d/00_header ###
set default=0
insmod ext2
set root=(hd0,1)
search --no-floppy --fs-uuid --set 9dd1f668-ec78-4bd3-9bc3-b6f6073468f7
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=640x480
  insmod gfxterm
  insmod vbe
  if terminal_output gfxterm ; then true ; else
    # For backward compatibility with versions of terminal.mod that don't
    # understand terminal_output
    terminal gfxterm
  fi
fi
set timeout=5
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
menuentry "Debian GNU/Linux, with Linux 2.6.32-rc8-00003-gf1d48cc" {
	insmod ext2
	set root=(hd0,1)
	search --no-floppy --fs-uuid --set 9dd1f668-ec78-4bd3-9bc3-b6f6073468f7
	linux	/boot/vmlinuz-2.6.32-rc8-00003-gf1d48cc root=UUID=9dd1f668-ec78-4bd3-9bc3-b6f6073468f7 ro quiet 
	initrd	/boot/initrd.img-2.6.32-rc8-00003-gf1d48cc
}
menuentry "Debian GNU/Linux, with Linux 2.6.31-1-686" {
	insmod ext2
	set root=(hd0,1)
	search --no-floppy --fs-uuid --set 9dd1f668-ec78-4bd3-9bc3-b6f6073468f7
	linux	/boot/vmlinuz-2.6.31-1-686 root=UUID=9dd1f668-ec78-4bd3-9bc3-b6f6073468f7 ro quiet 
	initrd	/boot/initrd.img-2.6.31-1-686
}
### END /etc/grub.d/10_linux ###

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