Multible klipper(4) instances on btt-pi

General Discussion
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Basic Information:

Printer Model: ender 3 ish
MCU / Printerboard: creality 4.2.7
klippy.log

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
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Describe your issue:

… I cannot open a file in klipper I use the browser window to run this and I load file like I normally do for the creality pad but when I load the file it shows up in the btt-pi folder for this instance… I am running 4 instances I can move all the heads and control temps and get a mesh … I just cannot print it just says it cannot open file I need to get this figured out I have a lot of printers to get running and I love klipper

thank you for any and all help
I used kiauh to install the 4 instances I have read and changed all the printer .cfg and mainsail.cfg and moonraker.conf

image
klippy.log (45.2 KB)

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mcu 'mcu': Unable to open serial port: [Errno 11] Could not exclusively lock port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 11] Resource temporarily unavailable

Looks like your printer boards all or some of them register with the same connection serial. You could try /dev/serial/by-path or make yourself familiar with UDEV to construct unique endpoints.

1 Like
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Thankyou for your reply you guys are awesome I will be trying that tonight

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