===== > export PAGER=cat SYSTEMD_PAGER=cat; readlink -f /run/current-system; cat /proc/cmdline; ls /proc/device-tree/chosen/canaan,stage1-splash; ls /dev/fb0; systemctl is-active shell seatd firewall; systemctl --no-pager --full status k230-drm-splash; journalctl -b -u k230-drm-splash --no-pager; dmesg | grep -E "stage 1|PHY_STATUS|canaan_panel_prepare"; echo PRESERVE_IMAGE_INSPECTED =====
export PAGER=cat SYSTEMD_PAGER=cat; readlink -f /run/current-system; cat /proc/cmdline; ls /proc/device-tree/chosen/canaan,stage1-splash; ls /dev/fb0; systemctl is-active shell seatd firewall; systemctl --no-pager --full status k230-drm-splash; journalctl -b -u k230-drm-splash --no-pager; dmesg | grep -E "stage 1|PHY_STATUS|canaan_panel_prepare"; echo PRESERVE_IMAGE_INSPECTED
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/nix/store/8cr3ra6dbnlh99lfq2kr0xn22hn9xml4-nixos-system-nixos-26.11.20260919.20b1ddd
consoleblank=0 console=ttyS0,115200n8 root=fstab loglevel=4 lsm=landlock,yama,bpf loglevel=7 init=/nix/store/8cr3ra6dbnlh99lfq2kr0xn22hn9xml4-nixos-system-nixos-26.11.20260919.20b1ddd/init
/proc/device-tree/chosen/canaan,stage1-splash
ls: cannot access '/dev/fb0': No such file or directory
active
active
active
○ k230-drm-splash.service - Static DRM owner for the K230 stage-1 splash
     Loaded: loaded (]8;;file://nixos/etc/systemd/system/k230-drm-splash.service\/etc/systemd/system/k230-drm-splash.service]8;;\; enabled; preset: ignored)
     Active: inactive (dead) since Tue 2026-03-17 19:56:41 UTC; 1min 0s ago
   Duration: 6.395s
 Invocation: 4df0b2c78a6643d798ad5379eb3c1f2b
    Process: 548 ExecStart=/nix/store/qkvxyd8cajqsz2ablbngzxnzsn4a62cn-k230-drm-splash-riscv64-unknown-linux-gnu-0.1/bin/k230-drm-splash --ready-file /run/k230-drm-splash/state (code=exited, status=0/SUCCESS)
   Main PID: 548 (code=exited, status=0/SUCCESS)
         IP: 0B in, 0B out
         IO: 2.8M read, 0B written
   Mem peak: 5.9M
        CPU: 76ms

Mar 17 19:56:35 nixos systemd[1]: Started Static DRM owner for the K230 stage-1 splash.
Mar 17 19:56:35 nixos k230-drm-splash[548]: k230-drm-splash: scanout fb 49 on connector 48 crtc 46 as RG16
Mar 17 19:56:38 nixos k230-drm-splash[548]: k230-drm-splash: DRM master dropped; retaining fb 49 for successor
Mar 17 19:56:41 nixos k230-drm-splash[548]: k230-drm-splash: successor replaced fb 49; releasing owner
Mar 17 19:56:41 nixos systemd[1]: k230-drm-splash.service: Deactivated successfully.
Mar 17 19:56:41 nixos systemd[1]: k230-drm-splash.service: Consumed 76ms CPU time over 6.395s wall clock time, 5.9M memory peak, 2.8M read from disk.
Mar 17 19:56:35 nixos systemd[1]: Started Static DRM owner for the K230 stage-1 splash.
Mar 17 19:56:35 nixos k230-drm-splash[548]: k230-drm-splash: scanout fb 49 on connector 48 crtc 46 as RG16
Mar 17 19:56:38 nixos k230-drm-splash[548]: k230-drm-splash: DRM master dropped; retaining fb 49 for successor
Mar 17 19:56:41 nixos k230-drm-splash[548]: k230-drm-splash: successor replaced fb 49; releasing owner
Mar 17 19:56:41 nixos systemd[1]: k230-drm-splash.service: Deactivated successfully.
Mar 17 19:56:41 nixos systemd[1]: k230-drm-splash.service: Consumed 76ms CPU time over 6.395s wall clock time, 5.9M memory peak, 2.8M read from disk.
[    2.732781] canaan-drm soc:display-subsystem: [drm:canaan_drm_bind] stage 1 splash: leaving fbdev unset
[   48.486522] canaan-vo 90840000.vo: stage 1 splash: preserving VO to first plane update
[   48.486548] canaan-panel-dsi 90850000.dsi.0: canaan_panel_prepare: left as stage 1 set it
[   48.486557] canaan-mipi-dsi 90850000.dsi: stage 1 splash: preserving DSI to first plane update
PRESERVE_IMAGE_INSPECTED
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[]0;root@nixos: ~root@nixos:~]# 
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[]0;root@nixos: ~root@nixos:~]#