On Fri, Jul 21, 2017 at 11:06 AM, Igor Mammedov <imamm...@redhat.com> wrote: > On Thu, 20 Jul 2017 21:29:33 +0200 > Phil Dennis-Jordan <li...@philjordan.eu> wrote: > >> On Thu, Jul 20, 2017 at 6:40 PM, Programmingkid >> <programmingk...@gmail.com> wrote: >> > I noticed that Windows 2000 does not boot up in QEMU recently. After >> > bisecting the issue I found the offending commit: > w2k is very ancient (and long time EOLed), I can't even download it from msdn > to test > (oldest available is XP) > > do we really care about it?
I guess it'd primarily be for software archival/history purposes, which is a reasonable use case for Qemu. (See efforts to get PPC MacOS working, etc.) >> Ouch. I reckon we have 2 options for fixing this: >> >> 1. Export two FADTs, one ACPI 1.0, one ACPI 2.0. The latter would need >> to be pointed to by an XSDT, which Qemu currently doesn't implement at >> all as far as I'm aware. Any ideas on how SeaBIOS or OVMF would handle >> this? Any likely other OS regressions? >> >> 2. Select FADT version with an option. This one is definitely safe, >> but adds yet another option. > the 3rd simpler option is: > force rev1 on old machine types (2.9 and older), > using machine compat machinery and use rev3 on newer machines That sounds good, I'd be happy to implement that. Phil
