On 31 July 2013 22:56, Richard W.M. Jones <rjo...@redhat.com> wrote: > It's quite exciting the virtio-mmio made it into qemu. Are extra > guest kernel components needed too? (I'm using 3.9.9-302.fc19.armv7hl > but could try a later kernel)
I think you're OK there, the support's been in the kernel for much longer than it's been in QEMU. > Anyway, I tried to get it to work, but can't quite work out the qemu > command line. So far I have: > > $ ~/d/qemu/arm-softmmu/qemu-system-arm -M vexpress-a15 -cpu cortex-a15 \ > -nographic -kernel kernel -initrd initrd \ > -drive file=root,if=virtio \ > -append "root=/dev/vda" > qemu-system-arm: -drive file=root,if=virtio: No 'PCI' bus found for device > 'virtio-blk-pci' You need to specify things longhand with the virtio-blk-device etc devices, because the shortcuts all assume virtio is PCI. So in this case: -drive if=none,file=root,id=foo \ -device virtio-blk-device,drive=foo -- PMM