EtherCAT Communication Issues, Lost Frames, Interruptions in Program Execution

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2 years 1 month ago #310300 by tommylight
Glad it worked out and thank you for reporting back.

ASUS ROG Crosshair VIII Impact - AMD X570
The following user(s) said Thank You: stenly

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2 years 1 month ago #310344 by bkt

I am pretty sure that RTAI is not supported  by ethercat debs. For starters, the debs use DKMS  so the kernel modules are compiled on yur computer so I suspect that requires a mainstream kernel to fetch the linux-headers source code.
 
seems from today DKMS under kernel 6.10.9-1 maybe not work at all .... update to these header unistal all DKMS file ... and not see it install again during update process ..... check these if you can ... maybe a problem. Pherhaps seem we looses libc6 and other necessary library .... I've not a machine for test if new kernel is perfect compatible with linuxnc and ethercat and if possible install again right libc6 and DKMS file.
 

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2 years 1 month ago #310359 by rodw
I think you are doing it the hard way.... Use the linuxcnc iso and follow the sticky...

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2 years 1 month ago #310394 by bkt

I think you are doing it the hard way.... Use the linuxcnc iso and follow the sticky...
 
I'm not using rtai....I'm just asking if you've checked the new kernel 6.10.9-1....linuxcnc in my 6.10.1 kernel installation works fine...it's not linuxcnc that worries me.....
regards

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2 years 1 month ago - 2 years 1 month ago #310423 by stenly
Hi again.

After some testing, I can say I have had no more program interruptions. I've been playing around with the max velocities and accelerations of each axis and joint to find a sweet spot where the machine does not produce those unpleasant vibrations and knocking noises. There is, however, something still weird about it.

When running LinuxCNC and even some light app like a file manager or something, everything is in order. This may sound silly, but whenever there is a terminal open and I am interacting with it, the vibrations happen. So much so that when I have for example my .hal open in vim in the terminal and I use the mouse scroll wheel to navigate the file, the vibrations are in tandem with my scrolling of the wheel. Extremely weird in my opinion, yet I can definitely say it's not a joke.

Any idea what could be causing this? Granted, I am not too worried, as I am not planning on having any terminal (or anything for that matter) be opened alongside LinuxCNC when the machine is in production.

PS. Could anyone help me out in making Axis GUI not set the max velocity to the maximum allowed when I start LinuxCNC? This behavior could be dangerous if someone were to run a poorly written program, so I'd like to have it set to a smaller value by default on startup.
Last edit: 2 years 1 month ago by stenly.

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2 years 1 month ago #310456 by tommylight
Try a different mouse. If the mouse cable is nicked or worn it may cause huge delays in communications, or might be interference or bad USB chip in the mouse. Mouses are cheap.
Also, is the mouse a PS/2 one or USB?

ASUS ROG Crosshair VIII Impact - AMD X570
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