Hi, > Please provide logging output
audit[3232]: AVC apparmor="STATUS" operation="profile_replace" profile="unconfined" name="libvirt-3219c451-fcb5-4e6d- kernel: audit: type=1400 audit(1512470093.378:89): apparmor="STATUS" operation="profile_replace" profile="unconfined" audit[3253]: AVC apparmor="DENIED" operation="mount" info="failed mntpnt match" error=-13 profile="/usr/sbin/libvirtd kernel: audit: type=1400 audit(1512470093.386:90): apparmor="DENIED" operation="mount" info="failed mntpnt match" err libvirtd[1321]: 2017-12-05 10:34:53.404+0000: 1338: error : virCommandHandshakeWait:2718 : Child quit during startup libvirtd[1321]: 2017-12-05 10:34:53.407+0000: 1338: error : qemuProcessReportLogError:1885 : internal error: Process libvirt: QEMU Driver error : internal error: Process exited prior to exec: libvirt: error : Fail Error: libvirt failed to start domain > and steps to reproduce, >From libvirt create new virtual machine in qemu:///system The same error happens if I start any other VM, which used to start fine with libvirt 3.8.0 > kernel version and what else might be needed to reproduce the problem. 4.14.0-1-amd64 > Ask yourself what makes your installation different from the ones > that work with apparmor enabled. I'm sorry but I don't see how my libvirt/apparmor installation differs from another sid system. Cheers
