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Looking Glass Released For KVM Frame Relay, High Performance Windows VM Gaming

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  • Looking Glass Released For KVM Frame Relay, High Performance Windows VM Gaming

    Phoronix: Looking Glass Released For KVM Frame Relay, High Performance Windows VM Gaming

    Geoffrey McRae has published the code to the "Looking Glass" project he's been working on as a "extremely low-latency" KVM frame relay implementation for guests with VGA PCI pass-through...

    http://www.phoronix.com/scan.php?pag...VM-Frame-Relay

  • #2
    Up to now those wanting to use a secondary graphics card pass-through setup with a virtual machine had to use a separate monitor
    I do this with one monitor, just use a different interface, like HDMI with host(dom0) and DVI for guest(domU). and use the "source" button to switch between VM and host.

    I use Xen, because when I tested KVM, it had performance issue.

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    • #3
      If you have multiple sources monitor, it is ok; i have to use an hardware switch,because mine only provides dvi and vga input; but my ouptuts are all digital.
      Anyway... both methods seems a PITA to me.
      Looking glass would allows you to have KVM in a window at near full screen native performance.
      Definitely nice!

      Still waiting for a way to share the same videocard... I think i've read of some project about that in the past, but i can't remember well where.

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      • #4
        Originally posted by jockinator View Post

        I do this with one monitor, just use a different interface, like HDMI with host(dom0) and DVI for guest(domU). and use the "source" button to switch between VM and host.

        I use Xen, because when I tested KVM, it had performance issue.
        Are there any good guides for how to set up a system with PCI GPU Passthrough with Xen?

        I have never used Xen personally. I don't know how it works. However, it sounds like it might be a good idea for me to learn about it and try it out to see how the performance compares.

        The last time I tried to make such a setup, I used KVM and followed the various guides on the VFIO blogs and subreddit and such.

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        • #5
          Originally posted by kokoko3k View Post
          Still waiting for a way to share the same videocard... I think i've read of some project about that in the past, but i can't remember well where.
          You thinking about the Intel one? https://01.org/igvt-g/blogs/wangbo85...release-q32016

          I want something similar for my vega, if only AMD had SR-IOV enabled on consumer boards (even if it was limited to 2)

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          • #6
            Is it possible to use the dedicated GPU from a laptop to be passed it to windows ?

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            • #7
              Ayyy this is great news! Finally my whole setup is gonna be perfect.

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              • #8
                Originally posted by xxmitsu View Post
                Is it possible to use the dedicated GPU from a laptop to be passed it to windows ?
                Some users on r/VFIO have had success with it. Depends on the hardware configuration I think. Older laptops often had no direct external outputfrom the dGPU, it had to go through the iGPU framebuffer and then to the output connection.

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                • #9
                  Originally posted by boxie View Post

                  You thinking about the Intel one? https://01.org/igvt-g/blogs/wangbo85...release-q32016

                  I want something similar for my vega, if only AMD had SR-IOV enabled on consumer boards (even if it was limited to 2)
                  Yeah, i remember of intel... quite useless.
                  Maybe my memory is flaky, but i remember the same from nvidia...

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                  • #10
                    Originally posted by kokoko3k View Post

                    Yeah, i remember of intel... quite useless.
                    Maybe my memory is flaky, but i remember the same from nvidia...
                    Not thinking of nvidia grid are you?

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