--- /usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/quantal.py.orig	2012-05-01 01:58:47.000000000 +0000
+++ /usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/quantal.py	2014-07-30 08:45:39.706387722 +0000
@@ -16,8 +16,13 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-import time
 from VMBuilder.plugins.ubuntu.precise import Precise
+from VMBuilder.util import run_cmd
 
 class Quantal(Precise):
-    pass
+    def install_kernel(self, destdir):
+        self.run_in_target('mount', '-t', 'proc', 'proc', '/proc')
+        try:
+            super(Quantal, self).install_kernel(destdir)
+        finally:
+            run_cmd('umount', '%s/proc' % self.context.chroot_dir)