Well, don't bother, I've found the problem: there is no acpi module/daemon on DSM... I'll try to build them for the DSM kernel unless someone has a better idea ? Thank you, Best regards, Thomas M. On Thu, Dec 20, 2018 at 10:20 PM Thomas Munfort <thomas.munfort(a)gmail.com&gt; wrote: > Hi everyone, > > On a server running Debian 9, I have multiple KVM guests automatically > started at boot by libvirtd.service and running in the background. When I > shutdown this server, libvirtd.service automatically and gracefully shut > them all down first. So, every thing is fine so far. > > Recently, I've added an additional KVM guest and this one does not > respond to a shutdown command from virsh and therefore messes up the > shutdown of the whole Debian 9 server. > > The things is, this additional KVM guest is not a regular Linux guest. It > is DiskStation Manager (DSM) 6.2 from Synology (with XPEnology as the boot > loader). > > I know this setup isn't supported by libvirt nor Synology. Nonetheless, I > wonder if anyone would have idea on that matter ? Even some suggestions > might help me find what needs fixing. > > Thank you, > Best regards, > Thomas M. >