weston fails to start

[rscottbailey]

Windows build number:

26100.3775

Your Distribution version:

13 (trixie)

Your WSL versions:

WSL version: 2.4.13.0
Kernel version: 5.15.167.4-1
WSLg version: 1.0.65
MSRDC version: 1.2.5716
Direct3D version: 1.611.1-81528511
DXCore version: 10.0.26100.1-240331-1435.ge-release
Windows version: 10.0.26100.3775

Steps to reproduce:

1. start WSL session
2. xeyes

WSL logs:

I believe the relevant information is at the top of weston.log:

Date: 2025-05-03 EDT
[09:51:10.478] weston 9.0.0
               https://wayland.freedesktop.org
               Bug reports to: https://gitlab.freedesktop.org/wayland/weston/issues/
               Build: 9.0.0-210-gf227edd6
[09:51:10.479] Command line: /usr/bin/weston --backend=rdp-backend.so --modules=wslgd-notify.so --xwayland --socket=wayl
and-0 --shell=rdprail-shell.so --log=/mnt/wslg/weston.log --logger-scopes=log,rdp-backend,rdprail-shell
[09:51:10.479] OS: Linux, 5.15.167.4-microsoft-standard-WSL2, #1 SMP Tue Nov 5 00:21:55 UTC 2024, x86_64
[09:51:10.479] warning: XDG_RUNTIME_DIR "/mnt/wslg/runtime-dir" is not configured
correctly.  Unix access mode must be 0700 (current mode is 777),
and must be owned by the user (current owner is UID 1000).
Refer to your distribution on how to get it, or
http://www.freedesktop.org/wiki/Specifications/basedir-spec
on how to implement it.
[09:51:10.480] Using config file '/home/wslg/.config/weston.ini'

WSL dumps:

No response

Expected behavior:

Window is displayed successfully.

Actual behavior:

weston fails to start because /mnt/wslg/runtime-dir has permissions 777 instead of required 700.