diff -Nru xen-4.1.0/debian/changelog xen-4.1.0/debian/changelog
--- xen-4.1.0/debian/changelog	2011-05-03 11:54:25.000000000 +0000
+++ xen-4.1.0/debian/changelog	2011-05-09 07:32:22.000000000 +0000
@@ -1,3 +1,11 @@
+xen (4.1.0-3ubuntu1) natty; urgency=low
+
+  * added qemu-common to xen-hypervisor-*
+    dependency. This provides /usr/share/qemu
+    on Ubuntu, which seems to be needed to start a hvm. 
+
+ -- Mark Dokter (ppa key) <dokter@icg.tugraz.at>  Mon, 09 May 2011 09:31:27 +0200
+
 xen (4.1.0-3ubuntu0) natty; urgency=low
 
   [ Bastian Blank ]
diff -Nru xen-4.1.0/debian/control xen-4.1.0/debian/control
--- xen-4.1.0/debian/control	2011-04-28 13:22:05.000000000 +0000
+++ xen-4.1.0/debian/control	2011-05-09 07:30:35.000000000 +0000
@@ -53,7 +53,7 @@
 Package: xen-hypervisor-4.1-amd64
 Architecture: amd64 i386
 Provides: xen-hypervisor, xen-hypervisor-4.1, xen-hypervisor-amd64
-Depends: ${misc:Depends}
+Depends: ${misc:Depends}, qemu-common
 Recommends: xen-utils-4.1
 Suggests: xen-docs-4.1
 Description: Xen Hypervisor on AMD64
@@ -68,7 +68,7 @@
 Package: xen-hypervisor-4.1-i386
 Architecture: i386
 Provides: xen-hypervisor, xen-hypervisor-4.1, xen-hypervisor-i386
-Depends: ${misc:Depends}
+Depends: ${misc:Depends}, qemu-common
 Recommends: xen-utils-4.1
 Suggests: xen-docs-4.1
 Description: Xen Hypervisor on i386