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.