Bug#627587: grub-pc: grub-probe: error: cannot stat `/dev/root'.

[Colin Watson]

On Tue, May 31, 2011 at 12:57:43AM +0100, Colin Watson wrote:
> On Tue, May 31, 2011 at 01:37:06AM +0200, Marco d'Itri wrote:
> > On May 31, Adrian Bunk <bunk at stusta.de> wrote:
> > > squeeze udev && no initrd && latest grub = FAIL
> > 
> > Yes, but why?
> 
> Because GRUB now scans /proc/self/mountinfo to figure out the device
> underlying the root filesystem.  This was part of making btrfs work
> properly, and we considered it to be better than the previous code
> because it didn't require searching /dev for a device node with the
> correct major and minor numbers.
> 
> If there is a strong reason to avoid the Breaks on udev, it might be
> possible to have it fall back to the older method in the case where the
> device named in mountinfo doesn't exist.  Something like this:

I realised that current upstream trunk doesn't have this problem, and so
I've backported r3318 from upstream.

  http://anonscm.debian.org/loggerhead/pkg-grub/trunk/grub/revision/2435

Thanks for your comments.

-- 
Colin Watson                                       [cjwatson at debian.org]