Hello, [any reason you dropped the CC list? CC'ing qemu-devel, where this is relevant.]
On (Tue) Mar 23 2010 [21:46:28], Liang YANG wrote: > I check the 'lspci -v' result, only find RTL-8139 realtek ethernet. I > think the option model=virtio does't make effect. Then something is wrong. I get a virtio ethernet device using model=virtio. Which qemu version are you using? > Simultaneously, I have the a look at the code. The function pc_init1() > seem not change the network model as the option assigned. > > Do you ever meet this case? I've not seen this. > On Tue, Mar 23, 2010 at 9:08 PM, Amit Shah <amit.s...@redhat.com> wrote: > > On (Sun) Mar 21 2010 [20:18:53], Liang YANG wrote: > >> I want to set up the virtio-net for the GuestOS on KVM. Following is my > >> steps: > >> > >> 1.Compile the kvm-88 and make, make install. > >> 2.Compile the GuestOS(redhat) with kernel version 2.6.27.45(with > >> virtio support). The required option are all selected. > >> o CONFIG_VIRTIO_PCI=y (Virtualization -> PCI driver for > >> virtio devices) > >> o CONFIG_VIRTIO_BALLOON=y (Virtualization -> Virtio balloon > >> driver) > >> o CONFIG_VIRTIO_BLK=y (Device Drivers -> Block -> Virtio block > >> driver) > >> o CONFIG_VIRTIO_NET=y (Device Drivers -> Network device > >> support -> Virtio network driver) > >> o CONFIG_VIRTIO=y (automatically selected) > >> o CONFIG_VIRTIO_RING=y (automatically selected) > >> 3.Then start up the GuestOS by such command: > >> x86_64-softmmu/qemu-system-x86_64 -m 1024 /root/redhat.img > >> -net nic,model=virtio -net tap,script=/etc/kvm/qemu-ifup > >> 4.Result is this: > >> * The Guest OS start up. > >> * But the network not, no eth-X device found. > >> * lsmod | grep virtio get none module about virtio > > > > Since you selected the virtio options as 'y', they are directly compiled > > into the kernel and hence you won't see the modules. > > > > Check your 'lspci -v' output. You should see the virtio device there. > > You can also try some usual things like 'ifconfig eth0 up', etc., to get > > the interface. > > > > Amit > > -- > > http://log.amitshah.net/ > > > > > > -- > BestRegards. > YangLiang > _____________________________________________ > Department of Computer Science . > School of Electronics Engineering & Computer Science . > _____________________________________________ Amit -- http://log.amitshah.net/