Hello, I need to communicate with windows 10 guest from cent os host. Following this docs - https://access.redhat.com/solutions/732773, https://wiki.libvirt.org/page/Qemu_guest_agent I add new device in my Win10 guest <channel type='unix'> <target type='virtio' name='org.qemu.guest_agent.0'/> </channel> and install gemu-ga x64 from this iso - https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.141-1/virtio-win-0.1.141.iso After that I install gemu-guest-agent on cent os host and try to start service but with no success [root at kvm ~]# service qemu-guest-agent start Redirecting to /bin/systemctl start qemu-guest-agent.service A dependency job for qemu-guest-agent.service failed. See 'journalctl -xe' for details. [root at kvm ~]# journalctl -xe мар 01 15:41:03 kvm.office systemd[1]: Job dev-virtio\x2dports-org.qemu.guest_agent.0.device/start timed out. мар 01 15:41:03 kvm.office systemd[1]: Timed out waiting for device dev-virtio\x2dports-org.qemu.guest_agent.0.device. -- Subject: Unit dev-virtio\x2dports-org.qemu.guest_agent.0.device has failed -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit dev-virtio\x2dports-org.qemu.guest_agent.0.device has failed. -- -- The result is timeout. мар 01 15:41:03 kvm.office systemd[1]: Dependency failed for QEMU Guest Agent. -- Subject: Unit qemu-guest-agent.service has failed -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit qemu-guest-agent.service has failed. -- -- The result is dependency. мар 01 15:41:03 kvm.office systemd[1]: Job qemu-guest-agent.service/start failed with result 'dependency'. мар 01 15:41:03 kvm.office systemd[1]: Job dev-virtio\x2dports-org.qemu.guest_agent.0.device/start failed with result 'timeout'. мар 01 15:41:03 kvm.office polkitd[1376]: Unregistered Authentication Agent for unix-process:27927:138320296 (system bus name :1.885, object path /org/freedesktop/PolicyKit1/AuthenticationAg Also I tried to start qemu-ga wrapped by strace [root at kvm ~]# source /etc/sysconfig/qemu-ga [root at kvm ~]# strace /usr/bin/qemu-ga \ > --method=virtio-serial \ > --path=/dev/virtio-ports/org.qemu.guest_agent.0 \ > --blacklist=${BLACKLIST_RPC} \ > -F${FSFREEZE_HOOK_PATHNAME} <skipped> open("/dev/virtio-ports/org.qemu.guest_agent.0", O_RDWR|O_NONBLOCK|O_ASYNC|O_CLOEXEC) = -1 ENOENT (No such file or directory) write(2, "1519901353.794545: critical: err"..., 781519901353.794545: critical: error opening channel: No such file or directory ) = 78 write(2, "1519901353.794659: critical: err"..., 511519901353.794659: critical: error opening channel ) = 51 write(2, "1519901353.794742: critical: fai"..., 661519901353.794742: critical: failed to create guest agent channel ) = 66 write(2, "1519901353.794818: critical: fai"..., 701519901353.794818: critical: failed to initialize guest agent channel ) = 70 exit_group(1) = ? +++ exited with 1 +++ [root at kvm ~]# ls -l /dev/virtio-ports/* ls: cannot access /dev/virtio-ports/*: No such file or directory Anybody help me? Centos 7.2 [root at kvm ~]# cat /etc/centos-release CentOS Linux release 7.2.1511 (Core) [root at kvm ~]# uname -r 3.10.0-327.el7.x86_64 Qemu-guest-agent v2.8 [root at kvm ~]# rpm -qa | grep qemu-guest qemu-guest-agent-2.8.0-2.el7.x86_64 Other packages [root at kvm systemd]# rpm -qa | egrep -i 'qemu|kvm|libvirt' libvirt-client-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-config-nwfilter-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-disk-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-scsi-3.2.0-14.el7_4.7.x86_64 libvirt-3.2.0-14.el7_4.7.x86_64 centos-release-qemu-ev-1.0-2.el7.noarch qemu-kvm-common-ev-2.9.0-16.el7_4.13.1.x86_64 libvirt-daemon-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-lxc-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-mpath-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-iscsi-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-3.2.0-14.el7_4.7.x86_64 qemu-img-ev-2.9.0-16.el7_4.13.1.x86_64 libvirt-libs-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-nodedev-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-config-network-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-interface-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-core-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-qemu-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-gluster-3.2.0-14.el7_4.7.x86_64 ipxe-roms-qemu-20170123-1.git4e85b27.el7_4.1.noarch qemu-kvm-ev-2.9.0-16.el7_4.13.1.x86_64 libvirt-python-3.2.0-3.el7_4.1.x86_64 libvirt-daemon-driver-nwfilter-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-secret-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-network-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-logical-3.2.0-14.el7_4.7.x86_64 libvirt-daemon-driver-storage-rbd-3.2.0-14.el7_4.7.x86_64 qemu-guest-agent-2.8.0-2.el7.x86_64 libvirt-glib-1.0.0-1.el7.x86_64 Thank you! -- Best regards -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20180301/14d86472/attachment-0005.html>