v25.11 fails to run standalone on FreeBSD #3013
Description
Regressed by #2627. Affects DRM (niri on VT console) but not Wayland backend (niri on sway).
$ rm -rf ~/.config/niri
$ niri
INFO niri: starting version 25.11 (v25.11-5-g83a733e0)
DEBUG niri_config: loaded config from "/home/foo/.config/niri/config.kdl"
INFO niri::backend::tty: using as the render node: "/dev/dri/card0"
DEBUG niri::backend::tty: adding device: 156 "/dev/dri/card0"
DEBUG niri::backend::tty: this is the primary node
DEBUG niri::backend::tty: not a primary node, skipping
INFO niri: listening on Wayland socket: wayland-2
INFO niri: IPC listening on: /var/run/user/1234/niri.wayland-2.81008.sock
WARN niri::utils::xwayland::satellite: error spawning xwayland-satellite at "xwayland-satellite", disabling integration: No such file or directory (os error 2)
WARN niri::utils::spawning: error spawning "waybar": Os { code: 2, kind: NotFound, message: "No such file or directory" }
# FreeBSD devfs(4) is dynamic, so major/minor numbers are random
$ ls -lL /dev/dri/
total 0
crw-rw---- 1 root video 0x9c 6 Nov 20:28 card0
crw-rw---- 1 root video 0x130 6 Nov 20:28 renderD128
# from <sys/types.h> aka https://github.com/freebsd/freebsd-src/blob/releng/15.0/sys/sys/types.h
$ major() { _d=$1; echo $(( (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff)) )); }
$ minor() { _d=$1; echo $(( (((_d >> 24) & 0xff00) | (_d & 0xffff00ff)) )); }
$ major 0x9c
0
$ minor 0x9c
156
$ major 0x130
1
$ minor 0x130
48
# libdrm doesn't use major/minor numbers on FreeBSD
$ ./test
primary = /dev/dri/card0
render = /dev/dri/renderD128
$ cat test.c
#include <fcntl.h>
#include <stdio.h>
#include <xf86drm.h>
int main() {
int fd = open("/dev/dri/card0", O_RDONLY, NULL);
if (fd < 0) return 1;
printf("primary = %s\n", drmGetPrimaryDeviceNameFromFd(fd));
printf("render = %s\n", drmGetRenderDeviceNameFromFd(fd));
return 0;
}