Re: Laptop Working Group Github Issue Request - Multi-GPU Support
Date: Sat, 21 Jun 2025 19:25:30 UTC
Luke Wolf wrote: > this would seem to indicate > https://www.reddit.com/r/freebsd/comments/1ii0da4/wayland_on_freebsd_142r_tldr/ > that Intel + Nvidia encounters the same issue. > > However both of these would indicate that in the case of Nvidia cards > that Wayland actually works, but X11 still needs configuration, unlike > the Framework 16's AMD + AMD situation where X11 needs configuration > and Wayland doesn't work. > > Given the log complaint about: > VGA arbiter: cannot open kernel arbiter, no multi-card support. > > My assumption is that this is what we're missing in order for it to > work: > https://docs.kernel.org/gpu/vgaarbiter.html > https://www.x.org/wiki/VgaArbiter/ > For nvidia on laptops specifically, if it's an Optimus setup, the arbiter is irrelevant. A "proper" Optimus setup has the nvidia card completely headless, where some other mechanism copies the rendered output to the internal/integrated GPU framebuffer which has physical outputs. -- Charlie Li ...nope, still don't have an exit line.