Bug#552056: Unable to upgrade grub-pc to 1.97~beta4-1: grub-probe can't find a device for /

[Daniel Burrows]

On Fri, Oct 23, 2009 at 10:36:02AM +0200, Felix Zielcke <fzielcke at z-51.de> was heard to say:
> Am Donnerstag, den 22.10.2009, 20:06 -0700 schrieb Daniel Burrows:
> Is your /dev/mapper/emurlahn-root a symlink to some /dev/dm-X device?
> If so you need to run `update-initramfs -c -t -k all' and if you don't
> want to reboot also `echo change > /sys/block/dm-X/uevent'
> Replace X of course with the right number.

  That seems to have done the trick.  Was this documented somewhere
that I should have seen?

    Thanks,
  Daniel