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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Windows 10/11 VM with GPU pass through? (sh.itjust.works)

submitted 1 month ago by Amongussussyballs100@sh.itjust.works to c/linux@lemmy.ml

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Running EndeavourOS and found a few games that have had some issues on linux, that I have found to be pretty much unfixable.

Unfortunately that would mean using a windows dualboot, and I really don't want windows on this laptop.

Would there be a way to run a windows VM with passing through the dgpu (AMD RX 6700m GPU), BUT able to use the dgpu when the VM is powered off? Unless I'm misunderstanding the guides, the gpu would be "locked" to the VM, and that would be unacceptable as I would mostly game on the host OS.

This is probably a given but the laptop does have integrated graphics as well (AMD Ryzen 7 5800H).

Any potential help would be appreciated, thanks!

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[–] kitnaht@lemmy.world 13 points 1 month ago* (last edited 1 month ago) (1 children)

There's a way to do this with an iGPU/dGPU pair. Essentially it means firing up the VM with dedicated GPU passthrough, and then remoting directly into it from the native install using something like Parsec; but if I recall there was a direct memory access way to get the passthrough GPU output to the main display as well; I just can't remember it at the moment.

The alternative is having a monitor with dual/tri inputs, and swapping the output to the dedicated GPU. Maybe some trickery with a KVM to move the mouse/keyboard over.

https://looking-glass.io/ -- This may be the other solution I was having trouble remembering.

Using something like "Barrier/Synergy" might be a software-solution for the KVM side of things. Some guys also just opt to have their dedicated GPU hooked up to a second, dedicated monitor.

edit Reading more into this, I missed the part where this was a laptop - you're likely hosed. Laptop dedicated GPUs also run through the internal GPU; so technically you have 2 GPUs in your system - but from what I understand, they basically have dedicated switching hardware for handling the handoff, and I'm not sure modern laptops allow any such control over all of that.

[–] astrsk@kbin.run 4 points 1 month ago

KVM + LookingGlass + VirtManager should be the way to go. I don’t have a good complete tutorial on this right now though. But good place to start looking.