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Date: Tue, 13 Nov 2012 19:07:25 +0200
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Subject: Re: [Qemu-devel] slow virtio network with vhost=on and multiple
	cores
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To: Dietmar Maurer <dietmar@proxmox.com>
Cc: Jan Kiszka <jan.kiszka@web.de>, Peter Lieven <lieven-lists@dlhnet.de>, Peter Lieven <pl@dlhnet.de>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Stefan Hajnoczi <stefanha@gmail.com>

On Tue, Nov 13, 2012 at 05:03:20PM +0000, Dietmar Maurer wrote:
> > Tried with upstream qemu on rhel kernel and that's even a bit faster.
> > So it's ubuntu kernel. vanilla 2.6.32 didn't have vhost at all so maybe their
> > vhost backport is broken insome way.
> 
> You can also reproduce the problem with RHEL6.2 as guest
> But it seems RHEL 6.3 fixed it.

RHEL6.2 on ubuntu host?

> There seem to be a few vhost specific patches between those 2 versions.