Hi all, I am launching a VM, and than tries to bind a virtio-net device in the guest and it hangs. No messages appear in the kernel log after I run the bind command.
The host is an Ubuntu 18.04 machine with QEMU version 2.11.1. This is how I launch the VM: First, I run the vhost-switch sample app thus (it is with dpdk-18,08): echo 2048 > /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages ./build/vhost-switch -l 0-3 -n 4 --socket-mem 1024 -- --socket-file /tmp/sock0 --client -p 0x1 Then from a second terminal, I run: mem=2048M /usr/bin/qemu-system-x86_64 -name us-vhost-vm1 \ -cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \ -smp cores=2,sockets=1 -drive file=$vm_img,index=0,media=disk,format=$FORMAT \ -netdev user,id=myid,hostfwd=tcp::10022-:22 -device rtl8139,netdev=myid,id=net0,mac=00:00:00:00:10:01 \ -chardev socket,id=char0,path=/tmp/sock0,server -netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \ -device virtio-net-pci,mac=52:54:00:00:00:01,netdev=mynet1 Then in the guest I have: ./dpdk-devbind.py -s Network devices using DPDK-compatible driver ============================================ <none> Network devices using kernel driver =================================== 0000:00:03.0 'RTL-8100/8101L/8139 PCI Fast Ethernet Adapter 8139' if=eth1 drv=8139cp unused=vfio-pci,uio_pci_generic *Active* 0000:00:04.0 'Virtio network device 1000' if=eth0 drv=virtio-pci unused=vfio-pci,uio_pci_generic Other Network devices ===================== <none> and also ethtool -i eth0 driver: virtio_net version: 1.0.0 firmware-version: expansion-rom-version: bus-info: 0000:00:04.0 And when I run /dpdk-devbind.py -b uio_pci_generic 0000:00:04.0 it hangs endlessly, without any messages in kernel log (neither in guest nor in host) Any ideas ? Regards, Kevin
