Also happens to me on a freshly built Qemu master (tip 23919ddfd561). MBP15,2 OSX 10.14.6
Qemu command line: qemu/x86_64-softmmu/qemu-system-x86_64 -cpu host -accel hvf -m 4G -smp 8 -vga std -nographic -vnc :1 -netdev user,id=net0 -device e1000e,netdev=net0 buster.qcow Guest works fine until I try to build a linux-stable tree with "make -j8". -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1838390 Title: vmx_write_mem: mmu_gva_to_gpa failed when using hvf Status in QEMU: New Bug description: Installed qemu 4.0.0 by homebrew, used below commands: 1. qemu-img create -f raw arch-vm.img 100G 2. qemu-system-x86_64 -show-cursor -only-migratable -nodefaults -boot order=d -cdrom archlinux-2019.07.01-x86_64.iso -cpu host -device virtio-keyboard -device virtio-mouse -device virtio-tablet -drive file=arch-vm.img,format=raw,if=virtio -m 4096 -machine q35,accel=hvf,vmport=off -nic user,ipv6=off,model=virtio -smp 4,sockets=1,cores=2,threads=2 -soundhw hda -vga virtio Displayed bootloader menu successfully, select "Boot Arch Linux" then crashed with message: vmx_write_mem: mmu_gva_to_gpa ffff91953b540000 failed. Use tcg accelerator has no problem but very slow. See attachment for full crash report. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1838390/+subscriptions