This bug was fixed in the package grub-installer - 1.43ubuntu7
--------------- grub-installer (1.43ubuntu7) karmic; urgency=low
* Mount /target/sys when running update-grub (LP: #456776).
-- Colin Watson <email address hidden> Wed, 21 Oct 2009 14:08:00 +0100
This bug was fixed in the package grub-installer - 1.43ubuntu7
---------------
grub-installer (1.43ubuntu7) karmic; urgency=low
* Mount /target/sys when running update-grub (LP: #456776).
-- Colin Watson <email address hidden> Wed, 21 Oct 2009 14:08:00 +0100