package selinux 1:0.6 failed to install/upgrade: exit status 1 - grub-probe: error: cannot find a device for /.

[prometheani]

Binary package hint: selinux

I installed Ubuntu on a flash drive and I am trying to use SeLinux on that particular install. i am getting this error message saying that it cannot find grub at a certain location:

ubuntu@ubuntu:~$ sudo apt-get install selinux
Reading package lists... Done
Building dependency tree
Reading state information... Done
selinux is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0B of additional disk space will be used.
Setting up selinux (1:0.6) ...
grub-probe: error: cannot find a device for /.

dpkg: error processing selinux (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 selinux
E: Sub-process /usr/bin/dpkg returned an error code (1)
ubuntu@ubuntu:~$

ProblemType: Package
Architecture: i386
Date: Sat Mar 6 12:44:40 2010
DistroRelease: Ubuntu 9.10
ErrorMessage: subprocess installed post-installation script returned error exit status 1
LiveMediaBuild: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: selinux 1:0.6
PackageArchitecture: all
ProcVersionSignature: Ubuntu 2.6.31-20.57-generic
SourcePackage: selinux
Title: package selinux 1:0.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
Uname: Linux 2.6.31-20-generic i686

[Jean-Baptiste Lallement (jibel)]

Thanks for your report.

The relevant error is
---
Setting up selinux (1:0.6) ...
grub-probe: error: cannot find a device for /.

dpkg: error processing selinux (--configure):
 subprocess installed post-installation script returned error exit status 1

[Brian Murray (brian-murray)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 557023, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.