Mainsail webui blank, and klipper.service is active (exited)

General Discussion
1

Basic Information:

Printer Model: Ender 3 S1
MCU / Printerboard: STM32F401
Host / SBC: Raspberry Pi 4
klippy.log (28 KB)

Describe your issue:

I haven’t used my 3D printer in a bit, and tried to get into my mainsail webui, but was only seeing a blank screen. I’m able to SSH into my pi and I’m seeing that klipper.service is active (exited). Trying to restart it immediately exits again.

Here’s the output of journalctl -xe -u klipper

pi@mainsail:~ $ journalctl -xe -u klipper
░░ Support: https://www.debian.org/support
░░
░░ A start job for unit klipper.service has finished successfully.
░░
░░ The job identifier is 89.
-- Boot 76a1934cfce949d1a8921c0f717e39e5 --
Jan 14 15:17:17 mainsail systemd[1]: Started Klipper 3D Printer Firmware SV1.
░░ Subject: A start job for unit klipper.service has finished successfully
░░ Defined-By: systemd
░░ Support: https://www.debian.org/support
░░
░░ A start job for unit klipper.service has finished successfully.
░░
░░ The job identifier is 127.
-- Boot 3a040a64fe4c46f6a5acc9d82dc71b17 --
Jan 16 12:52:33 mainsail systemd[1]: Started Klipper 3D Printer Firmware SV1.
░░ Subject: A start job for unit klipper.service has finished successfully
░░ Defined-By: systemd
░░ Support: https://www.debian.org/support
░░
░░ A start job for unit klipper.service has finished successfully.
░░
░░ The job identifier is 111.

And the output of systemctl status klipper

● klipper.service - Klipper 3D Printer Firmware SV1
     Loaded: loaded (/etc/systemd/system/klipper.service; enabled; vendor prese>
     Active: active (exited) since Thu 2025-01-16 12:52:33 EST; 56min ago
       Docs: https://www.klipper3d.org/
    Process: 675 ExecStart=/home/pi/klippy-env/bin/python $KLIPPER_ARGS (code=e>
   Main PID: 675 (code=exited, status=0/SUCCESS)
        CPU: 135ms

Jan 16 12:52:33 mainsail systemd[1]: Started Klipper 3D Printer Firmware SV1.
2

Hmm, this is looking strange.

Please execute on the shell:

curl -sfL https://raw.githubusercontent.com/Sineos/useful_bits/refs/heads/main/Linux/klipper_support.py | sudo python -

get the resulting zip file via SSH, e.g. winscp or similar and attach it here.

3

klipper_support_20250117_150504.zip (28.2 KB)

@Sineos do you think I should just backup printer.cfg and do a fresh install? Are there any other files that I should backup?

4

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