On Thu, 05 Dec 2013 09:50:41 -0800 John R Pierce <pierce at hogranch.com> wrote: > On 12/5/2013 5:35 AM, Toralf Lund wrote: > > Precisely! An the host being the CentOS 6.5 system. Perhaps I wasn't > > clear enough about this, although it seemed obvious when I wrote > > the post. > > > > The guest OS really doesn't come into the picture at all, in that > > VirtualBox seems to crash long before it starts thinking about > > loading it. > > have you considered using KVM rather than VirtualBox for this? > Configured properly, its much higher performance. AFAIK, KVM does not support host CPU's which don't have virtualization support. If OP has somewhat aged hardware, he may have no option but to use VirtualBox. HTH, :-) Marko