<div dir="ltr"><p>Hello,</p>
<p>I need to communicate with windows 10 guest from cent os host. <br>
</p>
<p>Following this docs - <a href="https://access.redhat.com/solutions/732773">https://access.redhat.com/solutions/732773</a>, 
<a href="https://wiki.libvirt.org/page/Qemu_guest_agent">https://wiki.libvirt.org/page/Qemu_guest_agent</a> I add new device in my 
Win10 guest</p>
<p><channel type='unix'><br>
   <target type='virtio' name='org.qemu.guest_agent.0'/><br>
</channel></p>
<p>and install gemu-ga x64 from this iso - 
<a href="https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.141-1/virtio-win-0.1.141.iso">https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.141-1/virtio-win-0.1.141.iso</a></p>
<p>After that I install gemu-guest-agent on cent os host and try to start service but with no success</p>
<p>[root@kvm ~]# service qemu-guest-agent start<br>
Redirecting to /bin/systemctl start qemu-guest-agent.service<br>
A dependency job for qemu-guest-agent.service failed. See 'journalctl -xe' for details.</p>
<p>[root@kvm ~]# journalctl -xe<br>
мар 01 15:41:03 kvm.office systemd[1]: Job dev-virtio\x2dports-org.qemu.guest_agent.0.device/start timed out.<br>
мар 01 15:41:03 kvm.office systemd[1]: Timed out waiting for device dev-virtio\x2dports-org.qemu.guest_agent.0.device.<br>
-- Subject: Unit dev-virtio\x2dports-org.qemu.guest_agent.0.device has failed<br>
-- Defined-By: systemd<br>
-- Support: <a href="http://lists.freedesktop.org/mailman/listinfo/systemd-devel">http://lists.freedesktop.org/mailman/listinfo/systemd-devel</a><br>
-- <br>
-- Unit dev-virtio\x2dports-org.qemu.guest_agent.0.device has failed.<br>
-- <br>
-- The result is timeout.<br>
мар 01 15:41:03 kvm.office systemd[1]: Dependency failed for QEMU Guest Agent.<br>
-- Subject: Unit qemu-guest-agent.service has failed<br>
-- Defined-By: systemd<br>
-- Support: <a href="http://lists.freedesktop.org/mailman/listinfo/systemd-devel">http://lists.freedesktop.org/mailman/listinfo/systemd-devel</a><br>
-- <br>
-- Unit qemu-guest-agent.service has failed.<br>
-- <br>
-- The result is dependency.<br>
мар 01 15:41:03 kvm.office systemd[1]: Job qemu-guest-agent.service/start failed with result 'dependency'.<br>
мар 01 15:41:03 kvm.office systemd[1]: Job dev-virtio\x2dports-org.qemu.guest_agent.0.device/start failed with result 'timeout'.<br>
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</p>
<p><br>
</p>
<p>Also I tried to start qemu-ga wrapped by strace<br>
</p>
<p>[root@kvm ~]# source /etc/sysconfig/qemu-ga<br>
[root@kvm ~]# strace /usr/bin/qemu-ga \<br>
>   --method=virtio-serial \<br>
>   --path=/dev/virtio-ports/org.qemu.guest_agent.0 \<br>
>   --blacklist=${BLACKLIST_RPC} \<br>
>   -F${FSFREEZE_HOOK_PATHNAME}<br>
</p>
<p><skipped></p>
<p>open("/dev/virtio-ports/org.qemu.guest_agent.0", O_RDWR|O_NONBLOCK|O_ASYNC|O_CLOEXEC) = -1 ENOENT (No such file or directory)<br>
write(2, "1519901353.794545: critical: err"..., 781519901353.794545: critical: error opening channel: No such file or directory<br>
) = 78<br>
write(2, "1519901353.794659: critical: err"..., 511519901353.794659: critical: error opening channel<br>
) = 51<br>
write(2, "1519901353.794742: critical: fai"..., 661519901353.794742: critical: failed to create guest agent channel<br>
) = 66<br>
write(2, "1519901353.794818: critical: fai"..., 701519901353.794818: critical: failed to initialize guest agent channel<br>
) = 70<br>
exit_group(1)                           = ?<br>
+++ exited with 1 +++<br>
</p>
<p><br>
</p>
<p>[root@kvm ~]# ls -l /dev/virtio-ports/*<br>
ls: cannot access /dev/virtio-ports/*: No such file or directory<br>
</p>
<p><br>
</p>
<p>Anybody help me?<br>
</p>
<p><br>
</p>
<p>Centos 7.2</p>
<p>[root@kvm ~]# cat /etc/centos-release<br>
CentOS Linux release 7.2.1511 (Core) <br>
</p>
<p>[root@kvm ~]# uname -r<br>
3.10.0-327.el7.x86_64<br>
  <br>
</p>
<p>Qemu-guest-agent v2.8</p>
<p>[root@kvm ~]# rpm -qa | grep qemu-guest<br>
qemu-guest-agent-2.8.0-2.el7.x86_64<br>
</p>
<p>Other packages<br>
</p>
<p>[root@kvm systemd]# rpm -qa | egrep -i 'qemu|kvm|libvirt'<br>
libvirt-client-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-config-nwfilter-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-disk-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-scsi-3.2.0-14.el7_4.7.x86_64<br>
libvirt-3.2.0-14.el7_4.7.x86_64<br>
centos-release-qemu-ev-1.0-2.el7.noarch<br>
qemu-kvm-common-ev-2.9.0-16.el7_4.13.1.x86_64<br>
libvirt-daemon-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-lxc-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-mpath-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-iscsi-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-3.2.0-14.el7_4.7.x86_64<br>
qemu-img-ev-2.9.0-16.el7_4.13.1.x86_64<br>
libvirt-libs-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-nodedev-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-config-network-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-interface-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-core-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-qemu-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-gluster-3.2.0-14.el7_4.7.x86_64<br>
ipxe-roms-qemu-20170123-1.git4e85b27.el7_4.1.noarch<br>
qemu-kvm-ev-2.9.0-16.el7_4.13.1.x86_64<br>
libvirt-python-3.2.0-3.el7_4.1.x86_64<br>
libvirt-daemon-driver-nwfilter-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-secret-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-network-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-logical-3.2.0-14.el7_4.7.x86_64<br>
libvirt-daemon-driver-storage-rbd-3.2.0-14.el7_4.7.x86_64<br>
qemu-guest-agent-2.8.0-2.el7.x86_64<br>
libvirt-glib-1.0.0-1.el7.x86_64<br>
  <br>
</p>
<p>Thank you!<br>
</p>
<pre class="gmail-moz-signature" cols="72">-- 
Best regards</pre>
<div class="gmail_signature" data-smartmail="gmail_signature"><br></div>
</div>