libvirt-cim-bounces(a)redhat.com wrote on 2008-06-05 08:28:30: Pegasus. Yup, I do it with sfcb. But the invalid InstanceID works for me on other machine with sfcb, you can refer to below: wbemcli gi http://root:elm3b197@localhost/root/virt:LXC_VirtualSystemSettingData.Ins... * * wbemcli: Cim: (6) CIM_ERR_NOT_FOUND: No such instance (InstanceID) * Then I make twice install and postinstall of provider in my own machine, but it doesn't fix the issue. Below is the debug info I can get now. [root@nine cimtest]# /usr/sbin/sfcbd -c /etc/sfcb/sfcb.cfg --- sfcbd V1.3.0 started - 19921 --- Using /etc/sfcb/sfcb.cfg --- SSL not configured --- User authentication disabled --- Max provider procs: 32 --- initSocketPairs: 64 --- localConnectServer started --- Max Http procs: 8 --- sfcbd HTTP Daemon V1.3.0 started - 19923 - port 5988 --- Keep-alive timeout: 1 seconds --- Maximum requests per connection: 10 --- Caching ClassProvider for /var/lib/sfcb/registration/repository/root/virt/classSchemas (1.0-3) using 5376 bytes --- Caching ClassProvider for /var/lib/sfcb/registration/repository/root/interop/classSchemas (1.0-3) using 1288 bytes -#- Virt_VSSD - 19960 provider exiting due to a SIGSEGV signal