Fixed in Maverick by merging this upstream change:
grub2 (1.98+20100702-1) unstable; urgency=low
* New Bazaar snapshot. [...] - Skip LVM snapshots (closes: #574863). [...]
-- Colin Watson <email address hidden> Fri, 02 Jul 2010 17:42:56 +0100
Fixed in Maverick by merging this upstream change:
grub2 (1.98+20100702-1) unstable; urgency=low
* New Bazaar snapshot.
[...]
- Skip LVM snapshots (closes: #574863).
[...]
-- Colin Watson <email address hidden> Fri, 02 Jul 2010 17:42:56 +0100