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  • unknown
  • unknown
18 Mar 2025 21:07
  • U2fletch
  • U2fletch
18 Mar 2025 21:00

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

Brilliant!  I just had GMNOCCAPY up and running for hours without a glitch after making that change.  Believe you nailed it.

Thanks for the great tip.

Jeff
  • schlemihl
  • schlemihl
18 Mar 2025 07:51
Segmentation fault when loading QtVCP was created by schlemihl

Segmentation fault when loading QtVCP

Category: Qtvcp

Hey all,

I ran in the following problem:

cnc@raspberrypi:~ $ designer -qt=5
Qtvcp python plugin found: /home/cnc/.designer/plugins/python/qtvcp_plugin.py
[DEFAULT][INFO]  Logging to: /home/cnc/default.log (logger.py:106)
tool_mmap_user(): tool mmap not available
poll(): continuing without tool mmap data
[DEFAULT.QTVCP.LIB.SYS_NOTIFY][WARNING]  Desktop Notify not available:: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Notifications was not provided by any .service files (sys_notify.py:71)
link (updating variable file): No such file or directory
link (updating variable file): No such file or directory
Segmentation fault

I've followed the QtVCP installation progress and linked the qtvcp_plugin.py but I get this error when starting the designer.
The designer loads without any problems when the qtvcp_plugin is not linked.

Did this occur to anyone before me? Or does anyone has an idea how to resolve this?
 
  • unknown
  • unknown
17 Mar 2025 20:09

New to linuxcnc, basic question for DRO modes with encoded handwheels

Category: General LinuxCNC Questions

USB to parallel port not supported at all, don't an option.
Any other USB motion control are not supported.
All supported Mesa boards can be found on their website. You can also browse the forum to see what boards are popular at the moment.
For the DIY route Ollie's Linuxcnc- RIO project is fantastic, well supported and in active development as is Scott's Remora Project.
I've also been working on a setup that uses FPGA Dev board available via AliExpress that runs Mesa's hostmot2 firmware, ATM it only uses SPI interface for the Raspberry Pi or EPP for the PC platform, tho I'm currently working on an ethernet plugin board.
In all honesty if it wasn't so expensive to get items from the US to Australia I'd go with Mesa in a heartbeat. What board just requires at little time researching, coming up with a couple of choices then asking a few questions, the 7i76 boards pretty much have it all.
  • unknown
  • unknown
17 Mar 2025 03:29

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

Might be worth trying in the GMOCCAPY Section, even linking back to the issue in this thread.

Was thinking about this last night, it may be worth looking at this regarding swap. Just on the off chance.

forum.linuxcnc.org/9-installing-linuxcnc...only?start=30#322251
  • U2fletch
  • U2fletch
17 Mar 2025 01:54

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

So after further testing I can tell you that the axis GUI is rock solid. No issues when left for extended periods of time.  When I get some more time I will use SSH to poke around when running GMOCCAPY.
  • foxkid
  • foxkid
15 Mar 2025 21:20

Linuxcnc 2.9.2 and 2.93 images for Raspberry Pi 4b & 5

Category: Installing LinuxCNC

Thank you for the images. There are a few kernel/driver changes I'll be working around, but the experience was super easy.

Backstory: I tried to upgrade my successful installation, and the pi wouldn't boot, giving the "missing firmware" error. I copied my existing linuxcnc config files using another Linux system. I installed your image on windows. I copied the config onto the new SD card. It booted and nearly all was well.

Thank you.
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