I have solved this problem after do like this: 1. change the qemu version to 0.15.1 2. configure libvirt with yajl Kevin 发件人: libvirt-users-bounces(a)redhat.com [mailto:libvirt-users-bounces@redhat.com] 代表 Wangkai (Kevin,C) 发送时间: 2013年4月8日 16:31 收件人: libvirt-users(a)redhat.com 主题: [libvirt-users] when save the domain, the following errors occured Hi, I have create one vm by libvirt api, And I goto virsh, when I doing save the domain, the following errors occurred: virsh # save demo2 /home/wk/libvirt/demo2.save error: Failed to save domain demo2 to /home/wk/libvirt/demo2.save error: internal error unable to send file handle 'migrate': No file descriptor supplied via SCM_RIGHTS virsh # list Id Name State ---------------------------------------------------- 18 demo2 running What was the problem? I cannot find it. Thanks, Kevin.

[Wangkai (Kevin,C)] Before I used qemu 0.12, and I was not sure, whether the qemu would work, if I update qemu to the latest version. Later, I will try qemu 1.4.