CentOS 7 virt-manager cannot connect to the local hypervisor

CentOS 7 virt-manager cannot connect to the local hypervisor

Linux: CentOS 7 Gnome Desktop

Problem description:

After yum install virt-manager is used in CentOS 7, virt-manager cannot connect to the local hypervisor.

With lsmod, you can see that the kvm-intel module has been added to the kernel.

Use the command line tool virsh

[Root @ 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

Restart the libmongod service to view logs/var/log/messages

Aug 10 11:15:57 localhost implements EMD: Starting implements alization daemon...

Aug 10 11:15:57 localhost journal: libvirt version: 1.2.8, package: 16. el7_1.3 (CentOS BuildSystem

Aug 10 11:15:57 localhost journal: failed to load module/usr/lib64/libvirt/connection-driver/lib1__driver_storage.so/usr/lib64/libvirt/connection-driver/lib1__driver_storage.so: symbol upload, version Base not 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/Drivers/usr/lib64/libvirt/connection-driver/lib+_driver_qemu.so: undefined symbol: virStorageFileCreate

Aug 10 11:15:57 localhost journal: Module/usr/lib64/libvirt/connection-driver/lib1__driver_lxc.so not accessible

Aug 10 11:15:57 localhost implements EMD: Started implements alization daemon.

Key Parts of log record errors:

Journal: failed to load module/usr/lib64/libvirt/connection-driver/lib1__driver_storage.so/usr/lib64/libvirt/connection-driver/lib1__driver_storage.so: symbol restart, version Base not 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/Drivers/usr/lib64/libvirt/connection-driver/lib+_driver_qemu.so: undefined symbol: virStorageFileCreate

After Google, you only need to update the software package to solve this problem.

View the package version:

Yum info device-mapper-libs

Update Software Package:

Yum update device-mapper-libs

Refer:

• Https://bugzilla.redhat.com/show_bug.cgi? Id = 1164773
• Https://bugzilla.redhat.com/show_bug.cgi? Id = 842068

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