Hi Stefan, The issue is we never tested this device with iPXE, so according to Murphy's law it cannot work :). We'll take a look... Dmitry. On Mon, Mar 25, 2013 at 2:26 PM, Stefan Hajnoczi wrote: > Hi Dmitry, > QEMU vmxnet3 produces the following warning with iPXE > (77f64b11f764e721f4f8704b7b90317e52d85fc3): > > $ cd ~/ipxe/src > $ make bin/vmxnet3.rom > $ qemu-system-x86_64 -netdev user,id=netdev0 -device > vmxnet3,netdev=netdev0,romfile=bin/vmxnet3.rom > [vmxnet3][WR][vmxnet3_peer_has_vnet_hdr]: Peer has no virtio > extension. Task offloads will be emulated. > [vmxnet3][WR][vmxnet3_get_command_status]: Received request for > unknown command: cafe0002 > > The warning about virtio extensions is expected since I chose slirp > networking. > > iPXE does not show the NIC ('ifstat' command). I guess the driver > gave up during initialization: > > https://git.ipxe.org/ipxe.git/blob/HEAD:/src/drivers/net/vmxnet3.c#l613 > > Any ideas? > > Stefan > > PS: I discovered this when testing net patches for the pull request I > just sent out. It's not a blocker, so vmxnet3 will finally be in > qemu.git/master very soon! >