The Ubuntu 14.04.3 LTS has this issue too. Fresh install, today. All updates applied (upgrade and dist-upgrade).
When the update package will be released ? The lastest version is: root@ubuntu-kvm:~# dpkg -l | grep libvirt; ii libvirt-bin 1.2.2-0ubuntu13.1.14 amd64 programs for the libvirt library iU libvirt0 1.2.2-0ubuntu13.1.14 amd64 library for interfacing with different virtualization systems First the Directory is not created: (/var/lib/libvirt/qemu/channel/target), creating correctly with the correct owner, has the another issue (about apparmor). Aug 26 23:34:59 ubuntu-kvm kernel: [ 1198.433256] audit: type=1400 audit(1440642899.122:29): apparmor="DENIED" operation="mknod" profile ="libvirt-0fb6b5bc-3a03-4ccb-9950-8eb4e243685e" name="/var/lib/libvirt/qemu/channel/target/rhel6.6.org.qemu.guest_agent.0" pid=3304 comm="qemu-system-x86" requested_mask="c" denied_mask="c" fsuid=106 ouid=106 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1393842 Title: libvirt does not grant qemu-guest-agent channel perms To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1393842/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs