[vfio-users] help with choice of GPU for passthrough

Ryan Flagler ryan.flagler at gmail.com
Mon Jan 25 22:54:21 UTC 2016


My AMD card (R9 380) seems more stable (assuming you use i440fx) with
drivers but the reset issue is a deal breaker.

My nvidia card is currently causing driver crashes all the time which I'm
trying to narrow down, but doesn't have the reset issues.

Pick your poison.

On Mon, Jan 25, 2016 at 4:28 PM Bronek Kozicki <brok at spamcop.net> wrote:

> I'm upgrading my home machine, it is running two Windows 7 VMs and they
> need identical hardware configuration. The host is 2x Xeon E5-2667V2 +
> 128GB RAM - obviously oversized for only two Windows ;-P . I'm
> considering choice between Radeon Fury Nano and more expensive nVidia. I
> know that Radeons have problem with PCIe reset (in kernel 4.1.15 + qemu
> 2.4.1), is this likely to have been solved in a newer version I am not
> using yet/not written yet?
>
> If not, then I will consider switching to nVidia but the problem here is
> the price, obviously. For the price only "little" higher than Nano I can
> buy Quadro M4000 but Id rather have more performance. I wonder whether
> nVidia played silly games disabling its drivers under vfio with Titan X
> - that would be a very nice option. I do not want to spend more than
> $1300 per card.
>
> Any advice?
>
>
> B.
>
>
> PS Feel free to cite me to AMD support, they may possibly lose my brand
> loyalty due to broken PCIe reset - I'm just too tired of not being able
> to reliably reset my VMs. Even if I need to pay more for worse performance.
>
> _______________________________________________
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> vfio-users at redhat.com
> https://www.redhat.com/mailman/listinfo/vfio-users
>
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