[14.04] KVM Windows 2008 R2 Guest, Fica lento inexplicavelmente

[Serge Hallyn]

Quoting Armindo Silva (deathon2legs at gmail.com):
> Still not working, neither the pinning of the cpu, neither the packages
> from that ppa - I even rebooted the host machine and now I have a new
> problem, the only vm that was created after the upgrade to trusty does not
> boot with the following message:
> 
> error: Failed to start domain guestVM
> error: internal error: early end of file from monitor: possible problem:
> /build/buildd/qemu-2.1.0~rc1~git-675879f/hw/i386/pc_piix.c:78:pc_init1:
> Object 0x7f9b7f198df0 is not an instance of type generic-pc-machine
> 
> Any ideas? I am about to consider 14.04 not fit to production and roll back
> to precise.

Could you please try disabling KSM?  I've seen reports that KSM is causing
issues for windows VMs in utopic.