Charles.Tsai-蔡清海-研究發展部 <charles.t...@cloudena.com> writes:
> We recently ran an Ubuntu 11.10 VM which was installed with VirtIO NIC > driver. The VirtIO net driver came from the Ubuntu's default package. The VM > we installed was configured as a bridge mode. When we ran the Iperf test > against the VM, the network interface of the VM was fairly unstable. > Sometimes, the network interface of the VM could not receive the packets and > we needed to bright the network interface down and up in order to make it > work. After we replaced the VirtIo Net driver with ne2k driver and it worked > quite stably now. > > We know that the performance of virtIO is much better than ne2k in virtual > environment. We would like to use virtio driver instead. If this is the > virtio driver issue, can you tell us where to get the latest virtIO driver > for Ubuntu VM? Otherwise, tell us how to make the virtio net driver work in > Ubuntu VM if you have ever had similar issue before. > > The version of Qemu installed in Ubuntu is 0.14.1. > The virtio driver is implemented in the guest operating system, it's a kernel module, so what is your kernel version? Maybe you need a kernel of higher version. -- linuxer, emacser and pythoner living in beijing blog: http://mathslinux.org twitter: https://twitter.com/mathslinux google+: https://plus.google.com/118129852578326338750