Bug#586660: 586660

[Ned Deily]

Seeing the same problem here.  Perhaps the key is /boot being on a separate device with / on LVM volume?

# df 
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/dm-0             16513960   3697920  11977184  24% /
tmpfs                   126924         0    126924   0% /lib/init/rw
udev                    121888       164    121724   1% /dev
tmpfs                   126924         0    126924   0% /dev/shm
...
/dev/sda3               264443     48629    202159  20% /boot
# apt-show-versions | grep grub
grub/testing uptodate 0.97-61
grub-common/testing uptodate 1.98-1
grub-doc/testing uptodate 0.97-61
grub-legacy-doc/testing uptodate 0.97-61
grub-pc/testing uptodate 1.98-1
# update-grub
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
# apt-get --reinstall install memtest86+
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Suggested packages:
  hwtools memtester kernel-patch-badram memtest86
The following packages will be upgraded:
  memtest86+
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0B/152kB of archives.
After this operation, 4,096B of additional disk space will be used.
Reading changelogs... Done
Preconfiguring packages ...
Selecting previously deselected package memtest86+.
(Reading database ... 83347 files and directories currently installed.)
Preparing to replace memtest86+ 4.00-2.2 (using .../memtest86+_4.00-2.3_i386.deb) ...
Unpacking replacement memtest86+ ...
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
dpkg: warning: subprocess old post-removal script returned error exit status 1
dpkg - trying script from the new package instead ...
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
dpkg: error processing /var/cache/apt/archives/memtest86+_4.00-2.3_i386.deb (--unpack):
 subprocess new post-removal script returned error exit status 1
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
dpkg: error while cleaning up:
 subprocess new post-removal script returned error exit status 1
Processing triggers for man-db ...
Errors were encountered while processing:
 /var/cache/apt/archives/memtest86+_4.00-2.3_i386.deb
[ Rootkit Hunter version 1.3.6 ]
File updated: searched for 164 files, found 139
E: Sub-process /usr/bin/dpkg returned an error code (1)

--
  Ned Deily
  nad at acm.org -- []