On Tue, 16 Mar 2021 18:17:50 +0100 Igor Mammedov <imamm...@redhat.com> wrote:
> On Tue, 16 Mar 2021 17:28:52 +0100 > Reinoud Zandijk <rein...@netbsd.org> wrote: > > > On Tue, Mar 16, 2021 at 01:53:01PM +0100, Igor Mammedov wrote: > > > > The image file was downloaded pre-installed from Microsoft for Edge > > > > browser > > > > evaluation. I used it first on Qemu 5.1 IIRC and it kept working in > > > > Qemu 5.2. > > > > > > issue looks similar to: > > > 0a343a5add7 i386/acpi: restore device paths for pre-5.1 vms > > > > > > I think that's the problem, the old Windows image (installed on old QEMU), > > > may fail to boot if started on newest machine type of a newer QEMU. > > > User should use versioned machine type (the same version it was installed > > > on) > > > to keep it working the same way otherwise there is no promise that > > > machine ABI > > > won't change. > > > > The machine setup doesn't mind changing the machine to the Q35 type; its > > only > > the older machine thats failing to work. > > never-mind, either we have a bug on piix4 side of QEMU or Windows doesn't > support > smm less mode, probably the former since q35 works. > I'm trying to dig out what's going wrong, > maybe Isaku Yamahata can also look into it. Thanks for reporting it before it was released please test/review fix that I've just posted: "[PATCH for-6.0] x86:acpi:piix4: reinitialize PM1.CNT on reset" > > > > Reinoud > > > > > >
