Thanks for helping Unman! This happens:
[ me@dom0 ] rm -rf /var/lib/qubes/appvms/debian-8-dvm
[ me@dom0 ] qvm-create-default-dvm debian-8
--> Using TemplateVM: debian-8
--> Creating directory: /var/lib/qubes/appvms/debian-8-dvm
--> Copying the template's private image:
/var/lib/qubes/vm-templates/debian-8/private.img
--> Creating volatile image:
/var/lib/qubes/appvms/debian-8-dvm/volatile.img...
--> Creating icon symlink: /var/lib/qubes/appvms/debian-8-dvm/icon.png
-> /usr/share/icons/hicolor/128x128/devices/appvm-gray.png
Traceback (most recent call last):
File "/usr/bin/qvm-create", line 223, in <module>
main()
File "/usr/bin/qvm-create", line 201, in main
vm.create_on_disk(verbose=options.verbose, source_template=template)
File "/usr/lib64/python2.7/site-packages/qubes/modules/000QubesVm.py",
line 1308, in create_on_disk
self._update_libvirt_domain()
File "/usr/lib64/python2.7/site-packages/qubes/modules/000QubesVm.py",
line 755, in _update_libvirt_domain
raise e
libvirt.libvirtError: operation failed: domain 'debian-8-dvm' already
exists with uuid 61320a0c2-1e2a-4bff-b064-29fe587619b8
Bernhard