Re: [Qemu-discuss] Win 10 VM looping in prepare auto repair since sys upgrade

[Alex John]

On Fri, Aug 03, 2018 at 11:10:19AM +0200, Alexander Petrenz wrote:
> Hi,
>
> I used to have an intel core i7 system and I have a Win10 guest with a pci
> passthroughed graphics card. This UEFI based setup was running fine and
> stable.
> Recently I upgraded to an amd ryzen system. I adjusted device ID of the
> graphics card and I'm no longer using the pci-stub driver, but vfio-pci
> directly. According to the lspci output this is working fine (vfio driver
> bound to the graphics card).

iirc Windows does not like the processor (or any hardware) to be changed
suddenly, so you're better off reinstalling the VM.

Alex

> However the VM doesn't boot anymore. It's just looping around a screen
> telling me that automatic repair is prepared.
> When booted natively the win10 works still flawlessly. Is there anything I
> need to adjust at the config because of the change of the pc hardware?
> I already booted into the windows setup and tried to fix the boot record
> via bcdedit, but that didn't change anything.
> Does anybody have an idea what else I could try?
>
> Thanks and regards
> Alex