* Hardware:

Intel(R) Core(TM) i7-2600 CPU, DQ67SW motherboard

* Software:

Xen 4.6 rc4, Ubuntu 14.04 LTS, Kernel 4.2 with all Xen modules built-in

* Guest operating systems:

Windows 7 SP1 x86 and x64, Ubuntu 14.04, Ubuntu 15.04

* Functionality tested:

xl save/restore
pvgrub2
VT-d device pass-through (rdm_policy=relaxed is now required for some
devices)
XSM with secondary control domain
VM event subsystem on x86: mem_access, int3, cr events
Mem_sharing

* Comments:

Everything works as expected.