Re: [Qemu-devel] Virtual IOMMU + Virtio-net devices in a Windows VM doesn't work

2018-07-29 Thread Jintack Lim
Thanks, Yan. On Sun, Jul 29, 2018 at 7:44 AM Yan Vugenfirer wrote: > > > > > On 26 Jul 2018, at 05:53, Jintack Lim wrote: > > > > Hi Peter, > > > > On Tue, Jul 24, 2018 at 1:55 AM Peter Xu wrote: > >> > >> On Mon, Jul 23, 2018 at 04:13:18PM -0400, Jintack Lim wrote: > >>> Hi, > >>> > >>> I'm

Re: [Qemu-devel] Virtual IOMMU + Virtio-net devices in a Windows VM doesn't work

2018-07-29 Thread Yan Vugenfirer
> On 26 Jul 2018, at 05:53, Jintack Lim wrote: > > Hi Peter, > > On Tue, Jul 24, 2018 at 1:55 AM Peter Xu wrote: >> >> On Mon, Jul 23, 2018 at 04:13:18PM -0400, Jintack Lim wrote: >>> Hi, >>> >>> I'm running a Windows VM on top of KVM on x86, and one of virtio-net Hi, What Windows OS are

Re: [Qemu-devel] Virtual IOMMU + Virtio-net devices in a Windows VM doesn't work

2018-07-25 Thread Jintack Lim
Hi Peter, On Tue, Jul 24, 2018 at 1:55 AM Peter Xu wrote: > > On Mon, Jul 23, 2018 at 04:13:18PM -0400, Jintack Lim wrote: > > Hi, > > > > I'm running a Windows VM on top of KVM on x86, and one of virtio-net > > device in the Windows VM doesn't seem to work. I provided virtual > > IOMMU and two

Re: [Qemu-devel] Virtual IOMMU + Virtio-net devices in a Windows VM doesn't work

2018-07-24 Thread Michael S. Tsirkin
On Tue, Jul 24, 2018 at 01:55:01PM +0800, Peter Xu wrote: > On Mon, Jul 23, 2018 at 04:13:18PM -0400, Jintack Lim wrote: > > Hi, > > > > I'm running a Windows VM on top of KVM on x86, and one of virtio-net > > device in the Windows VM doesn't seem to work. I provided virtual > > IOMMU and two

Re: [Qemu-devel] Virtual IOMMU + Virtio-net devices in a Windows VM doesn't work

2018-07-23 Thread Peter Xu
On Mon, Jul 23, 2018 at 04:13:18PM -0400, Jintack Lim wrote: > Hi, > > I'm running a Windows VM on top of KVM on x86, and one of virtio-net > device in the Windows VM doesn't seem to work. I provided virtual > IOMMU and two virtio-net devices to the VM: one bypassing the virtual > IOMMU and the

[Qemu-devel] Virtual IOMMU + Virtio-net devices in a Windows VM doesn't work

2018-07-23 Thread Jintack Lim
Hi, I'm running a Windows VM on top of KVM on x86, and one of virtio-net device in the Windows VM doesn't seem to work. I provided virtual IOMMU and two virtio-net devices to the VM: one bypassing the virtual IOMMU and the other one behind the virtual IOMMU[1]. It turned out that the virtio-net