> > On 26 Jul 2017, at 08:22 AM, Zhang, Xiong Y <xiong.y.zh...@intel.com> > wrote: > > > > Sorry, we indeed found Intel windows guest graphic driver couldn't be bind > when GMS memory size is zero. And we have fixed it and the next intel > windows driver release will contain this fix. > > So currently please use x-igd-gms in legacy mode to work around this. > > > > BTW, how did you know window driver allocate extra ~4G memory when > GMS size set to 0 ? > > We noticed that with new IGD driver memory usage on VMs raised by around > 4G. > > Then we examined memory allocations with poolmon > (https://docs.microsoft.com/en-us/windows-hardware/drivers/devtest/poolm > on) > and saw that around 4G of memory is allocated with IGD driver pool tag. > Additionally we noticed that on VMs with less than 5G of memory IGD driver > does not load and system does fallback to standard VGA driver. > [Zhang, Xiong Y] I tried our internal driver and didn't found the above two issues, please wait for the next intel graphic driver release.
thanks