On Wed, May 17, 2017 at 3:02 AM, Mark L Sung <xlord.sl@gmail.com> wrote:
Jerry,
Refer to console=hvc0 from (https://wiki.xen.org/wiki/Xen_FAQ_Console)which is dedicated for domO after Xen kernel loaded, so if it hangs it means somewhere the booting process with xen is not right.

I might be missing something, but that article makes no mention of using hvc0 on dom0.  

Jerry