On Wed, 30 Aug 2017 09:28:57 +0000 (UTC) Mahmood wrote: > >Could you please try to replace the -virtfs option with these two options: > > > >-fsdev local,id=shared,path=/home/mahmood/Downloads \ > >-device virtio-9p-pci,fsdev=shared,mount_tag=Downloads > > > > > Still get the same error! > > mahmood@cluster:qemu-vm$ qemu-system-x86_64 -m 4000 -cpu Opteron_G5 -smp 2 -hda centos7server.img -boot c  -usbdevice tablet -enable-kvm -device e1000,netdev=host_files -netdev user,net=10.0.2.0/24,id=host_files -fsdev local,id=shared,path=/home/mahmood/Downloads -device virtio-9p-pci,fsdev=shared,mount_tag=Downloads > qemu-system-x86_64: -device virtio-9p-pci,fsdev=shared,mount_tag=Downloads: Parameter 'driver' expects device type > mahmood@cluster:qemu-vm$ > Hi, Both -virtfs and -fsdev/-device syntaxes work for me with the current QEMU master branch :) Where's your qemu-system-x86_64 binary coming from ? Cheers, -- Greg PS: I'm on vacation. I'll be fully available next week. > > > > Regards, > Mahmood >