diff -Nru libvirt-1.2.12/debian/apparmor/libvirt-qemu libvirt-1.2.12/debian/apparmor/libvirt-qemu
--- libvirt-1.2.12/debian/apparmor/libvirt-qemu	2015-02-12 14:05:12.000000000 -0600
+++ libvirt-1.2.12/debian/apparmor/libvirt-qemu	2015-03-27 21:35:45.000000000 -0500
@@ -164,6 +164,9 @@
   deny /tmp/{,**} r,
   deny /var/tmp/{,**} r,
 
+  # silence refusals to open lttng files (see lp#1432644)
+  deny /dev/shm/lttng* r,
+
   /usr/{lib,libexec}/qemu-bridge-helper Cx -> qemu_bridge_helper,
   # child profile for bridge helper process
   profile qemu_bridge_helper {
diff -Nru libvirt-1.2.12/debian/changelog libvirt-1.2.12/debian/changelog
--- libvirt-1.2.12/debian/changelog	2015-02-25 11:31:49.000000000 -0600
+++ libvirt-1.2.12/debian/changelog	2015-03-27 21:36:58.000000000 -0500
@@ -1,3 +1,9 @@
+libvirt (1.2.12-0ubuntu8) vivid; urgency=medium
+
+  * silence denial of attempted reads of lttng files (LP: #1432644)
+
+ -- Serge Hallyn <serge.hallyn@ubuntu.com>  Fri, 27 Mar 2015 21:36:27 -0500
+
 libvirt (1.2.12-0ubuntu7) vivid; urgency=low
 
   * No-change rebuild to pull in libxen-dev 4.5