vfio_region_write – Bad address

  arch, linux, vfio, virtualization, windows

What does this mean:

vfio_region_write(7fa737cf-92f8-43e0-91ce-ee034fb69d70:region0+0x2230, 0xe0114119,4) failed: Bad address

And is there a way to work-around it?

I installed a Windows VM that would work on Intel GVT-g following this guide. All went well, including configuring Intel GVT-g and creating a virtual GPU:

$ ls -l mdev_supported_types/
total 0
drwxr-xr-x 3 root root 0 Apr 25 17:04 i915-GVTg_V5_4
drwxr-xr-x 3 root root 0 Apr 25 17:04 i915-GVTg_V5_8

Except that after Windows 10 installation of the GPU (Using an old, but too old, box with Intel HD 530 on it) when it tries to boot it throws that error above on the console.

Any VFIO developers or advanced users may be here, can I ask for some insights?

Source: Windows Questions