On Fri, May 24, 2019 at 02:26:31PM +0800, Colin Coe wrote: > Hi all > > We've just updated our dev environment from 4.1 to RHV 4.3 and found that > while a lot better, Windows 10 under SPICE still isn't great. > > We're running dual screen VMs at 2560x1440 resolution. The Windows login > screen is particularly bad although once logged in it gets better but not > great. The benchmark here is Windows 10 vs Windows 7 VMs. > > We've gone into settings / advanced and set "configure for best > performance". Latest RHV tools (4.3-6) are installed. We've also created > "/etc/ovirt-engine/osinfo.conf.d/20-overload.properties" containing: > os.windows_10.devices.display.vramMultiplier.value = 4 > os.windows_10x64.devices.display.vramMultiplier.value = 4 > > When we set the multiplier to 8, as recommended in another thread, > ovirt-engine fails to restart. > > I know there have been a few threads on this but I'd like to ask what is > the advice for RHV/oVirt 4.3 to make Windows 10 faster? VDI on RHV makes > up an important part of what we do and RDP, VNC, etc are not an option. * What is the version of spice server running on the host? * Which device/drivers are you using? The driver for Windows 8+, including Windows 10 should be the qxl-wddm-dod [0][1] one. The changelog [2] for the latest version, 0.19, includes the line "Improve performance vs spice server 14.0 and earlier". [0] https://gitlab.freedesktop.org/spice/win32/qxl-wddm-dod [1] https://www.spice-space.org/download/windows/ [2] https://gitlab.freedesktop.org/spice/win32/qxl-wddm-dod/raw/master/Changelog Cheers, Victor

On Fri, May 24, 2019 at 07:08:12PM +0800, Colin Coe wrote: > Hi Victor > > The SPICE server is > rpm -q spice-server > spice-server-0.14.0-6.el7_6.1.x86_64 > > On the VM we're using SPICE QXL. > > Looks like > https://www.spice-space.org/download/windows/qxl-wddm-dod/qxl-wddm-dod-0.... > has the performance fixes you mentioned. > > Any ideas if/when this will be shipped with/on the RHV Tools ISO? Not sure if on 4.3, perhaps 4.4. 4.3 indeed has 0.18 version of qxl-wddm-dod

CC'ing Sandro. Cheers, Victor