----- erik.rull@xxxxxxxxxxxxx wrote: > Hi all, > > I'm trying to get Win8.1 running in a nested KVM virtualization. WinXP > works - but Win8.1 always runs into a BSOD. > > Running the very same Win8.1 in a direct virtualization with KVM - > everything is fine. > > I assume that either some parameters are set up wrong or something > inside KVM is missing... > > I tried two combinations: > KVM from kernel 4.4.0-116 (ubuntu 16.04 LTS) with QEMU 2.5.0 > and > KVM from kernel 3.4.67 (vanilla) with QEMU 2.1.0 => there I don't get > anything displayed, it just stays black - but the direct > virtualization (linux/kvm => Win 8.1) works smoothly! > > Any ideas would be appreciated. > If you need more information / context, please let me know. > > Thanks. > > Erik Hi Erik, Many fixes for nested-virtualization are on very recent kernel versions. I would suggest attempting to upgrade your L0 KVM to upstream kernel version and attempt to reproduce. If problem still reproduce, please share more details here. Thanks, Liran
