On Wed, 2010-01-06 at 10:48 +0800, Christopher Chan wrote: > I have not tried kvm on Centos 5.4 yet...does anyone know if it has > support for virtio? Yes, it does. >From two guests hosted on centos 5.4/kvm: # uname -rpmi 2.6.9-89.0.18.ELsmp i686 athlon i386 # lspci|grep -i virtio 00:04.0 SCSI storage controller: Qumranet, Inc. Virtio block device 00:08.0 RAM memory: Qumranet, Inc. Virtio memory balloon # uname -rpmi 2.6.18-164.9.1.el5 i686 athlon i386 # lspci|grep -i virtio 00:03.0 Ethernet controller: Qumranet, Inc. Virtio network device 00:04.0 SCSI storage controller: Qumranet, Inc. Virtio block device 00:06.0 RAM memory: Qumranet, Inc. Virtio memory balloon Steve