Requesting the assistance of computer nerds
if my computer looks like this right:
could I put in my old ASUS Strix GTX 960 (rated at 150W) into the second GPU slot to use with virtual machines or would my computer just blow up if I tried that?
Here it is in all its glory https://www.evga.com/products/specs/gpu.aspx?pn=F82F51F2-FB30-44F5-B04A-3D02452D1E33
@roxy Wait, are you trying to feed an older GPU to a Linux guest from which host OS? Or keeping it for a Linux host and feeding the 10 series to a different guest? I don't know of many, if any, Windows or macOS host VM apps that support PCI passthrough.
@kode54 oh so I cant even do it? (I'm using Windows 10 for the host and Linux Mint for the guest)
@roxy It may be possible, but I don't know which VM products for Windows hosts support it. I can research this.
@roxy Ah, nope, I can't seem to find anything about using GPU passthrough from a Windows host, only from Linux hosts to Windows guests. And from what I've experienced with that, even with CPU core pinning, Windows context switching is down to the timing granularity of the Linux host, so you'll have maybe passable, maybe terrible DPC latency.
@roxy However, many Windows VM products, not counting Hyper-V, do support GPU virtualization, and most distributions support this, possibly without any guest drivers to add. Maybe. If I remember correctly, Wayland is right out, but Xorg based DEs should work fine. And if you need test victims, I'm open to volunteer my time.
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