From 13cae0c11930716eb4a98e1474958048d0235de4 Mon Sep 17 00:00:00 2001 From: Dominik Csapak Date: Fri, 23 Nov 2018 15:51:56 +0100 Subject: [PATCH] pci passthrough: add GPU passthrough notes to make it clear how to use a GPU inside the vm Signed-off-by: Dominik Csapak --- qm-pci-passthrough.adoc | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/qm-pci-passthrough.adoc b/qm-pci-passthrough.adoc index 43b9ddc..0a5c63f 100644 --- a/qm-pci-passthrough.adoc +++ b/qm-pci-passthrough.adoc @@ -128,6 +128,21 @@ For this add the following line in a file ending with `.conf' file in Please be aware that this option can make your system unstable. ==== +Notes for GPU passthrough +^^^^^^^^^^^^^^^^^^^^^^^^^ + +When passing through a GPU (be it a full device, or a vGPU), if you want to use +it for displaying, you have to either physically connect a monitor to the +card (if possible), or configure a remote desktop software (e.g., VNC, RDP) +inside the guest and use that. + +It is not possible to display the content of the GPU via NoVNC/SPICE on the +{pve} web interface. + +If you want to use the GPU for things like OpenCL or CUDA, this is not an issue, +since the application should be able to choose the hardware without using +it as a display. + Host Device Passthrough ~~~~~~~~~~~~~~~~~~~~~~~