On Fri, 2013-02-22 at 20:25 +0100, Laszlo Ersek wrote:
... IOW, I think it's not important that SeaBIOS hasn't seen RESET_REG and cannot set things right by doing a real hard reset: under the circumstances you described, we shouldn't even *be* in SeaBIOS.
Hm yes, thank you for the reminder. It's all about working around that poxy KVM bug.
So yes, this works around the *biggest* issue, and makes reboot work for the majority of cases. That's good enough for the short term, and when KVM is fixed the small remaining issue goes away too.