On 01/26/2017 09:07 PM, Jeroen Hoekx wrote: > Hello, > > Since updating to libvirt 3.0 I am no longer able to create a virtual > machine that is backed by LVM storage on my two Arch machines. > > This is the error in virt-manager: > > Unable to complete install: 'An error occurred, but the cause is unknown' This is likely a namespace bug. There are patches on the list to fix the issue [1], but lacking any review. Can you try applying them and see whether they fix your problem? 1: https://www.redhat.com/archives/libvir-list/2017-January/msg01127.html Michal _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users