The default security driver in Ubuntu is apparmor. Could you please show the output of
cat /etc/*-release ls -l /etc/apt/sources.list.d cat /etc/apt/sources.list.d/* dpkg -l | egrep -e '(libvirt|qemu)' and show any relevant DENIED messages in syslog (grep DENIED /var/log/syslog) Your libvirt version, 1.2.12, is not in any support release of Ubuntu. ** Changed in: qemu (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1554031 Title: error: internal error: unable to execute QEMU command ‘block-commit’: Could not reopen file: Permission denied To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1554031/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs