I ran into the same problem on threadripper 1900X. I was using cpu type "host-passthough" and it crashed. I fixed the crash by disabling the MSR with
kvm.ignore_msrs=1 as describe in https://forum.level1techs.com/t/windows-10-1803-as-guest- with-qemu-kvm-bsod-under-install/127425/10 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1778966 Title: Windows 1803 and later crashes on KVM Status in QEMU: New Bug description: For a bionic host, using the current public kvm modules, KVM is not capable of booting a WindowsInsider or msdn Windows 1803 Windows Server iso. In snstalling from an ISO from a started windows 2016 guest results in an unbootable and unrepairable guest. The hardware is a threadripper 1920x with 32GB of main memory, disk mydigital BPX SSD and WD based 4 column RAID 5 via mdadm. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1778966/+subscriptions