Public bug reported: With qemu 2.10 image files will be locked on specific bytes for features.
See for more: (qemu) commit 244a5668106297378391b768e7288eb157616f64 Author: Fam Zheng <f...@redhat.com> file-posix: Add image locking to perm operations That will trigger: apparmor="DENIED" operation="file_lock" namespace="root//lxd-testkvm-artful-from_<var-lib-lxd>" profile="libvirt-f687a9b3-5bca-41bc-b206-6e616720cc5e" name="/var/lib/uvtool/libvirt/images/kvmguest-artful-normal.qcow" pid=7001 comm="qemu-system-x86" requested_mask="k" denied_mask="k" fsuid=0 ouid=0 Which in turn needs a fix in virt-aa-helper ** Affects: libvirt (Ubuntu) Importance: Undecided Status: In Progress ** Affects: qemu (Ubuntu) Importance: Undecided Status: Won't Fix ** Also affects: qemu (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1709818 Title: Failed to lock byte 100 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1709818/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs