Re: [STABLE] 6.12.23: vfio error (was: arch/x86/coco/tdx/tdx.c build error)

[Cal Peake]

On Sun, 13 Apr 2025, Cal Peake wrote:

> After booting the new kernel, I get errors trying to do vfio passthrough:
> 
> qemu-8.2-system-x86_64: vfio: Cannot reset device 0000:14:00.3, no available reset mechanism.
> qemu-8.2-system-x86_64: vfio: Cannot reset device 0000:14:00.2, no available reset mechanism.
> qemu-8.2-system-x86_64: vfio: Cannot reset device 0000:14:00.1, no available reset mechanism.
> qemu-8.2-system-x86_64: vfio: Cannot reset device 0000:14:00.0, no available reset mechanism.

This was resolved by Alex Williamson, with his patch:

https://lore.kernel.org/lkml/20250414211828.3530741-1-alex.williamson@xxxxxxxxxx/

Thank you, Alex!

-- 
Cal Peake