CentOS 7 virt-manager 无法连接本地的hypervisor

heike2

　　OS : CentOS 7 Gnome Desktop
　　

　　问题描述：
　　CentOS 7 下使用yum install virt-manager之后，使用virt-manager无法连接本地的hypervisor。
　　

　　使用lsmod 可以查看到kvm-intel模块已经加入至内核中。
　　

　　使用命令行工具virsh
　　
[iyunv@localhost qemu]# virsh define CCnode.xml
error: failed to connect to the hypervisor
error: no valid connection
error: no connection driver available for <null>
error: Failed to reconnect to the hypervisor
　　

　　重启libvirtd服务，查看日志记录/var/log/messages
　　
Aug 10 11:15:57 localhost systemd: Starting Virtualization daemon...
Aug 10 11:15:57 localhost journal: libvirt version: 1.2.8, package: 16.el7_1.3 (CentOS BuildSystem <http://bugs.centos.org>, 2015-05-12-20:12:58, worker1.bsys.centos.org)
Aug 10 11:15:57 localhost journal: failed to load module /usr/lib64/libvirt/connection-driver/libvirt_driver_storage.so /usr/lib64/libvirt/connection-driver/libvirt_driver_storage.so: symbol dm_task_get_info_with_deferred_remove, version Basenot defined in file libdevmapper.so.1.02 with link time reference
Aug 10 11:15:57 localhost journal: failed to load module /usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so /usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so: undefined symbol: virStorageFileCreate
Aug 10 11:15:57 localhost journal: Module /usr/lib64/libvirt/connection-driver/libvirt_driver_lxc.so not accessible
Aug 10 11:15:57 localhost systemd: Started Virtualization daemon.

　　日志记录错误关键部分：
　　journal: failed to load module /usr/lib64/libvirt/connection-driver/libvirt_driver_storage.so /usr/lib64/libvirt/connection-driver/libvirt_driver_storage.so: symbol dm_task_get_info_with_deferred_remove, version Base not defined in file libdevmapper.so.1.02with link time reference

　　Aug 10 11:15:57 localhost journal: failed to load module /usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so /usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so: undefined symbol: virStorageFileCreate

　　

　　经过Google，解决此问题只需更新软件包
　　

　　查看包版本：
　　
yum info device-mapper-libs         


更新软件包：
yum update device-mapper-libs        

　　参考：
　　
http://blog.163.com/liyinhu_86/blog/static/4177704420153254114521/
https://bugzilla.redhat.com/show_bug.cgi?id=1164773
https://bugzilla.redhat.com/show_bug.cgi?id=842068

　　

　　
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