wayland in crosvm

[Hongwei Tang]

Hi all,

I followed https://crosvm.dev/book/devices/wayland.html to test wayland in crosvm.

When I run "sommelier --virtgpu-channel weston-terminal", crosvm will give some error information, and there is no any change in weston.

Error info is:

[2024-08-15T03:28:12.339520593+00:00 ERROR devices::virtio::gpu] error processing gpu command CmdSubmit3d: ErrRutabaga(NixError(EPROTOTYPE))

[   52.258472] [drm:virtio_gpu_dequeue_ctrl_func [virtio_gpu]] *ERROR* response 0x1200 (command 0x207)

[2024-08-15T03:28:12.446150793+00:00 ERROR devices::virtio::gpu] error processing gpu command CmdSubmit3d: ErrRutabaga(InvalidCrossDomainState)

[   52.365038] [drm:virtio_gpu_dequeue_ctrl_func [virtio_gpu]] *ERROR* response 0x1200 (command 0x207)

[2024-08-15T03:28:12.452282417+00:00 ERROR devices::virtio::gpu] error processing gpu command CmdSubmit3d: ErrRutabaga(InvalidCrossDomainState)

[   52.371145] [drm:virtio_gpu_dequeue_ctrl_func [virtio_gpu]] *ERROR* response 0x1200 (command 0x207)

I run the crosvm with the following command:

crosvm run --disable-sandbox \

--block ubuntu-24.04.qcow2 \

--initrd initrd.img-6.11.0-rc3 \

-p "root=/dev/vda2" \

--gpu context-types=cross-domain,displays=\[\[mode=windowed\[1280,800\]\]\] \

--display-window-mouse \

--display-window-keyboard \

-c 4 \

--mem 8192 \

--net tap-name=crosvm_tap \

--wayland-sock $XDG_RUNTIME_DIR/wayland-1 \

vmlinuz-6.11.0-rc3

Thanks a lot

---

[Wanjohi]

With my little understanding of CrosVM, it looks like you do not have a `3d` capable backend for it to run weston-terminal

This is a tiny-ish issue :D, do this and tell me if it helps:

1. Build crosvm with the feature "virgl_renderer"

2. Add "backend=3d,  context-types=cross-domain:virgl:virgl2 " to the gpu arguments in your script

It should ideally work out of the box, if you run "sommelier --virtgpu-channel --glamor weston-terminal"

Happy hacking ✌🏾