<div dir="ltr">spice-server is 0.12.4-20<div> </div><div>I did not add the spice agent.</div><div>Can spice agent provide better VGA performance? </div><div>I though it just provide data transferring. </div><div> </div><div>I had install spice guest tools.</div><div> </div><div>Regards,</div><div>John</div><div> </div><div class="gmail_extra"> <div class="gmail_quote">2017-02-21 14:29 GMT+08:00 Pavel Grunt <<a href="mailto:pgrunt@redhat.com" target="_blank">pgrunt@redhat.com</a>>: <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello John, On Tue, 2017-02-21 at 10:28 +0800, John Y. wrote: > I had a kvm virtual machine with windows 7 which is created by > qemu2.5 and spice-server-1.8.0. do you mean spice-server 0.12.8 ? > I used spice to remote access the vm, but I felled lag sometime. > I opened the notepad and typed some words, but words displayed after > 0.5-1 seconds. I can fell the delay obviously. > > The vm is on a centos server and ip is 192.168.11.10. > My client is on ubuntu and the statistics of ping: > > --— 192.168.11.10 ping statistics --- > 213 packets transmitted, 213 received, 0% packet loss, time 212345ms > rtt min/avg/max/mdev = 0.294/6.786/17.672/5.125 ms > > > How can I get more information to solve this problem ? > Let us know if adding the spice agent <a href="https://www.spice-space.org/spice-user-manual.html#agent" rel="noreferrer" target="_blank">https://www.spice-space.org/spice-user-manual.html#agent</a> and installing spice guest tools <a href="https://www.spice-space.org/download.html#windows-binaries" rel="noreferrer" target="_blank">https://www.spice-space.org/download.html#windows-binaries</a> changes anything. Thanks, Pavel <div><div class="gmail-h5"> > > Here are the information: > > qemu version: > QEMU emulator version 2.5.1.1, Copyright (c) 2003-2008 Fabrice > Bellard > > uname -a > Linux server01 4.2.0-1.el7.elrepo.x86_64 #1 SMP Sun Aug 30 21:25:29 > EDT 2015 x86_64 x86_64 x86_64 GNU/Linux > > libvirt.xml: > <domain xmlns:qemu="<a href="http://libvirt.org/schemas/domain/qemu/1.0" rel="noreferrer" target="_blank">http://libvirt.org/schemas/domain/qemu/1.0</a>" > type="kvm"> > <name>win7_001</name> > <os> > <type arch="x86_64" machine="pc-i440fx-1.7">hvm</type> > </os> > <features> > <acpi/> > <apic/> > <pae/> > </features> > <clock offset="localtime"/> > <on_poweroff>destroy</on_poweroff> > <on_reboot>restart</on_reboot> > <on_crash>destroy</on_crash> > <vcpu current="2">2</vcpu> > <cpu> > <topology sockets="1" cores="2" threads="1"/> > </cpu> > <memory>4194304</memory> > <currentMemory>4194304</currentMemory> > <devices> > <emulator>/root/qemu25/x86_64-softmmu/qemu-system- > x86_64</emulator> > <disk device="disk" type="file"> > <driver name="qemu" type="qcow2" cache="none"/> > <source file="/root/vm/wind7_01/win7.qcow2/> > <target bus="virtio" dev="vda"/> > </disk> > <disk type="file" device="cdrom"> > <source dev=""/> > <target dev="hdc" bus="ide"/> > </disk> > <serial type="pty"> > <source path="/dev/pts/1"/> > <target port="0"/> > </serial> > <input type="tablet" bus="usb"/> > <input type="mouse" bus="ps2"/> > <controller type="usb" index="0" model="ich9-ehci1"> > <alias name="usb0"/> > </controller> > <controller type="usb" index="0" model="ich9-uhci1"> > <alias name="usb0"/> > <master startport="0"/> > </controller> > <controller type="usb" index="0" model="ich9-uhci2"> > <alias name="usb0"/> > <master startport="2"/> > </controller> > <controller type="usb" index="0" model="ich9-uhci3"> > <alias name="usb0"/> > <master startport="4"/> > </controller> > <redirdev bus="usb" type="spicevmc"> > <alias name="redir0"/> > </redirdev> > <redirdev bus="usb" type="spicevmc"> > <alias name="redir1"/> > </redirdev> > <redirdev bus="usb" type="spicevmc"> > <alias name="redir2"/> > </redirdev> > <redirdev bus="usb" type="spicevmc"> > <alias name="redir3"/> > </redirdev> > <graphics type="spice" autoport="yes" listen='0.0.0.0' > keymap='en-us'/> > <sound model="ac97"/> > <video> > <model type="qxl" ram="65536" vram="65536" heads="1"/> > </video> > <channel type="unix"> > <source mode="bind"/> > <target type="virtio" name="org.qemu.guest_agent.0"/> > </channel> > <interface type="bridge"> > <mac address="fa:16:3e:6f:55:5b"/> > <source bridge="virtio"/> > <model type="virtio"/> > </interface> > </devices> > <qemu:commandline> > <qemu:arg value="-cpu"/> > <qemu:arg value="host"/> > </qemu:commandline> > </domain> > > > Regards > John. > </div></div>> _______________________________________________ > Spice-devel mailing list > <a href="mailto:Spice-devel@lists.freedesktop.org">Spice-devel@lists.freedesktop.org</a> > <a href="https://lists.freedesktop.org/mailman/listinfo/spice-devel" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/spice-devel</a> </blockquote></div> </div></div>