Control: reassign -1 bumblebee Control: forcemerge 892646 -1 On Wed, 2018-09-05 at 06:52 +0200, Felix Dörre wrote: > Package: nvidia-driver > Version: 390.77-1 > Severity: important > > Dear Maintainer, > > I have an Nvidia-Optimus setup and use bumblebee to activate the > Nvidia GPU on demand. > > When I use libvulkan.so.1 to run a Vulkan application the ICD from > Nvidia (installed in /usr/share/vulkan/icd.d/nvidia_icd.json, > /usr/lib/x86_64-linux-gnu/nvidia/libGL.so.1) opens a connection to > the > default X Display (as specified by the DISPLAY environment variable). > When using bumblebee to activate the Nvidia GPU, the driver must > connect to Display :8, where bumblebee runs the secondary > X Server. However I want to run my application with the DISPLAY > environment variable set to :0 (as I want it displayed on :0). > > I generally would expect the Vulkan-Nvidia driver not to require an > X-connection when doing headless rendering and for 'normal' rendering > use the X-connection/display that is indicated by the surface- > creation functions, and not choose one by itself on startup. > If that is hard to achieve, I would at least expext the Nvidia-Driver > to have some override environment variable (like e.g. NV_DISPLAY) > that, when set, is passed by the Nvidia-Driver to XOpenDisplay, that > "normal" applications would ignore.
Hi, Vulkan is not supported on Optimus, see #892646. -- Kind regards, Luca Boccassi
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