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grub 1.99 configuration

From: Bruce Dubbs
Subject: grub 1.99 configuration
Date: Sat, 11 Jun 2011 21:28:13 -0500
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20080722 SeaMonkey/1.1.11

I'm trying to manually run grub-mkconfig to establish grub-1.99 installation instructions for Linux From Scratch.

I am getting:

grub-mkconfig -o /boot/grub/grub.cfg
  /usr/sbin/grub-probe: error: cannot stat `/dev/root'

Doing some investigating grub-mkconfig is running:
  /usr/sbin/grub-probe --target=device /

Drilling down, grub-probe is doing:
  device_name = grub_guess_root_device (path);

Which in turn is doing:
  grub_find_root_device_from_mountinfo( "/", NULL );

This is reading /proc/self/mountinfo. The problem here is that this file does not give the device, but specifies /dev/root:

13 1 8:15 / / rw,relatime - ext3 /dev/root rw,errors=continue,barrier=0,data=writeback

The kernel is, but 2.6.37 seems to give the same thing.
grub-probe should be able to detect /dev/sda15, but fails on newer kernels.

grub-probe for grub-1.98 works fine.  A grep there shows no use of


  -- Bruce

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