Hi Paul, On 5/31/21 8:04 PM, Paul Menzel wrote: > Dear QEMU folks, > > > For minimal boot time I would like to use the machine type *microvm* > [1]. For an application, we would like to use Virtio-fs [2]. Currently > it fails with: > > $ sudo qemu-system-x86_64 -enable-kvm -M microvm -cpu host -m 512m > -kernel /dev/shm/vmlinuz-5.10.0-7-amd64 -append "root=/dev/sda1 > console=ttyS0,115200" -initrd /dev/shm/initrd.img-5.10.0-7-amd64 > -nodefaults -no-user-config -nographic -serial stdio -hda > debian-sid-64.img -net nic -net user,hostfwd=tcp::22222-:22 -chardev > socket,id=char0,path=/run/vm001-vhost-fs.sock -device > vhost-user-fs-pci,queue-size=1024,chardev=char0,tag=myfs -object > memory-backend-file,id=mem,size=512M,mem-path=/dev/shm,share=on -numa > node,memdev=mem > > qemu-system-x86_64: -device > vhost-user-fs-pci,queue-size=1024,chardev=char0,tag=myfs: No 'PCI' bus > found for device 'vhost-user-fs-pci' > > *microvm* is a minimalist machine type without PCI nor ACPI support, so > that seems to be a problem for `vhost-user-fs-pci`.
Have you tried with the plain 'vhost-user-fs-device' model instead?