On 10/29/2012 06:56 PM, 何鑫 wrote:

Hi all， I try to use gdb to debug libvirt's source code, but when I tend to create a domain with xml, it shows "error: internal error Network 'default' is not active", so I use the net-related commands as below."virsh # net-start defaulterror: Failed to start network defaulterror: Cannot open network interface control socket: Operation not permitted" Then I check my URI, which is "qemu:///session", because adding "sudo virsh". I try to change URI to "qemu:///system" by clicking "virsh # connect qemu:///system".

Instead of trying to change connections after starting virsh, you can use 'virsh -c qemu:///system' to force the correct connection to begin with.

The following logs shown below:virsh # connect qemu:///systemerror: Failed to connect to the hypervisorerror: Failed to connect socket to '/usr/local/libvirt/var/run/libvirt/libvirt-sock': No such file or directory

This sounds like your version of virsh is self-built and installed into /usr/local, but you don't have a self-built counterpart libvirtd also in /usr/local running at the moment.

Could you please tell me the reason? Thanks a lot! Corey

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