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Power failure now my Win10 VM fails to start

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I have had my Windows 10 VM running fine for over a year but I had an power outage that shut down my unraid server and now my Win10 VM refuses to start.

The logs get spammed with:

2020-09-03T18:47:25.794965Z qemu-system-x86_64: vfio_region_write(0000:04:00.0:region1+0x1b7a78, 0xff2067b2ff2067b2,8) failed: Device or resource busy
2020-09-03T18:47:25.794973Z qemu-system-x86_64: vfio_region_write(0000:04:00.0:region1+0x1b7a80, 0xff2067b2ff2067b2,8) failed: Device or resource busy
2020-09-03T18:47:25.794979Z qemu-system-x86_64: vfio_region_write(0000:04:00.0:region1+0x1b7a88, 0xff2067b2ff2067b2,8)

I am using an GTX 1060 with a dumped bios, could it be that the bios dump got corrupt? ocr can it be something else ? 

Edit: I just noticed one change, I have two GPUs and before I could only see the booting and unraid startup info if I connected a monitor to my second gpu. But now I see the bootup-info on my primary gpu. Is this a bios issue or do I need to re-apply some settings to unraid to switch the primary gpu ?


I have also stubbed both gpus using the VFIO-Plugin

Edited by Cliff

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