On 04/12/2016 05:18 PM, Nathan Coulson wrote: > (Apologies for the earlier top post) > > Running the kernel natively, on 3.10 or 3.18 (kernel from virt sig) > * CentOS Linux (3.18.25-19.el7.x86_64) 7 (Core)) > * CentOS Linux (3.10.0-327.13.1.el7.x86_64) 7 (Core) > > It works as expected with no issues. > > > > But when booting as dom0 using the xen hypervisor > * CentOS Linux, with Xen hypervisor > > tested with dom0_mem=2048M,max:2048M (as well as 1024M) > > the problems occur as I have describe. > This probably isn't it, but there was a problem I was having where the workaround was to give the dom0 4096M+ so that 64 bit references were used instead of 32 bit. You could try that and see what happens. --Sarah