I use the code below: import libvirt auth = [[libvirt.VIR_CRED_AUTHNAME,libvirt.VIR_CRED_NOECHOPROMPT],'root',None] conn = libvirt.openAuth("qemu:///system",auth,0) with open("/root/cflinux.xml") as f: xml=f.read() domain = conn.defineXML(xml) domain.createWithFlags(0) and report the error: libvir: Security Labeling error : internal error cannot load AppArmor profile 'libvirt-f0655289-318d-4aa7-b87a-6ce7cdead4ee' Traceback (most recent call last): File "a.py", line 7, in <module> domain.createWithFlags(0) File "/usr/lib/python2.7/dist-packages/libvirt.py", line 581, in createWithFlags if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self) libvirt.libvirtError: internal error cannot load AppArmor profile 'libvirt-f0655289-318d-4aa7-b87a-6ce7cdead4ee' who can help me fix the error?What may cause the error? Thanks. -- 樱宝宝: http://www.xuanmingyi.com