This is the difference between this and the previous patchset (v1): - Add test. Without the changes to src/kimchi/model/vms.py, the test mentioned above returns the following error: $ sudo ./run_tests.sh test_model.ModelTests.test_vm_clone WARNING: no 'numpy' module, HyBi protocol will be slower cpu_info topology not supported. Loading YumUpdate features. Loaded plugins: fastestmirror, langpacks, remove-with-leaves libvirt: Domain Config error : operation failed: domain 'test-clone-1' already exists with uuid f1150e4f-36a6-49c2-a6ef-e416a3358852 Error in async_task 2 Traceback (most recent call last): File "/home/vianac/LTC/kimchi/src/kimchi/asynctask.py", line 70, in _run_helper self.fn(cb, opaque) File "/home/vianac/LTC/kimchi/src/kimchi/model/vms.py", line 380, in _clone_task 'err': e.message}) OperationFailed: KCHVM0035E: Unable to clone VM 'test'. Details: operation failed: domain 'test-clone-1' already exists with uuid f1150e4f-36a6-49c2-a6ef-e416a3358852 libvirt: Test Driver error : Domain not found F ====================================================================== FAIL: test_vm_clone (test_model.ModelTests) ---------------------------------------------------------------------- Traceback (most recent call last): File "test_model.py", line 1390, in test_vm_clone self.assertEquals('finished', task2['status']) AssertionError: 'finished' != u'failed' ---------------------------------------------------------------------- Ran 1 test in 1.072s FAILED (failures=1) Crístian Viana (1): Do not reuse names when cloning the same VM more than once at the same time src/kimchi/model/vms.py | 19 ++++++++++++++++--- tests/test_model.py | 22 +++++++++++++++------- 2 files changed, 31 insertions(+), 10 deletions(-) -- 2.1.0