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  • Hakan
20 Nov 2025 18:10 - 20 Nov 2025 18:13
Replied by Hakan on topic Ethercat installation from repositories - how to step by step
"zstd: error 70 : Write error : cannot write block : No space left on device"
Boot device too small most likely.

A fresh install is never wrong.
You should be able to use a swedish I mean german version.
You seem to have missed a step where it says it will dismount the cd-rom and restart or something like that. A guess.
Install all in one large partition, or at least 100 Mb in the boot partition if you are required to have one.

This seem to be the proper sequence to remove raspi-firmware, you'll need to do that after a new install.
Code:
   sudo rm /etc/initramfs/post-update.d/z50-raspi-firmware sudo rm /etc/kernel/postinst.d/z50-raspi-firmware sudo apt purge --autoremove raspi-firmware sudo apt update
  • kn612
20 Nov 2025 18:09
Replied by kn612 on topic Servo Driver Plasma Retrofit
You guys rock. Thank you so much for pointing that out. I was editing hal with libre office instead of text editor. Added the line about offset mode and now the servos are quiet and don't move or jump when enabled.
  • kor
20 Nov 2025 17:51
Replied by kor on topic Ethercat installation from repositories - how to step by step
Code:
sudo apt remove raspi-firmware [sudo] Passwort für bf20: Paketlisten werden gelesen… Fertig Abhängigkeitsbaum wird aufgebaut… Fertig Statusinformationen werden eingelesen… Fertig Paket »raspi-firmware« ist nicht installiert, wird also auch nicht entfernt. Die folgenden Pakete wurden automatisch installiert und werden nicht mehr benötigt:   linux-headers-6.1.0-30-amd64 linux-headers-6.1.0-30-common Verwenden Sie »sudo apt autoremove«, um sie zu entfernen. 0 aktualisiert, 0 neu installiert, 0 zu entfernen und 0 nicht aktualisiert. 3 nicht vollständig installiert oder entfernt. Nach dieser Operation werden 0 B Plattenplatz zusätzlich benutzt. initramfs-tools (0.142+deb12u3) wird eingerichtet ... update-initramfs: deferring update (trigger activated) linux-image-6.1.0-41-rt-amd64 (6.1.158-1) wird eingerichtet ... /etc/kernel/postinst.d/dkms: dkms: running auto installation service for kernel 6.1.0-41-rt-amd64. dkms: autoinstall for kernel: 6.1.0-41-rt-amd64. /etc/kernel/postinst.d/initramfs-tools: update-initramfs: Generating /boot/initrd.img-6.1.0-41-rt-amd64 zstd: error 70 : Write error : cannot write block : No space left on device E: mkinitramfs failure zstd -q -9 -T0 70 update-initramfs: failed for /boot/initrd.img-6.1.0-41-rt-amd64 with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 dpkg: Fehler beim Bearbeiten des Paketes linux-image-6.1.0-41-rt-amd64 (--configure):  »installiertes post-installation-Skript des Paketes linux-image-6.1.0-41-rt-amd64«-Unterprozess gab den Fehlerwert  1 zurück dpkg: Abhängigkeitsprobleme verhindern Konfiguration von linux-image-rt-amd64:  linux-image-rt-amd64 hängt ab von linux-image-6.1.0-41-rt-amd64 (= 6.1.158-1); aber:   Paket linux-image-6.1.0-41-rt-amd64 ist noch nicht konfiguriert. dpkg: Fehler beim Bearbeiten des Paketes linux-image-rt-amd64 (--configure):  Abhängigkeitsprobleme - verbleibt unkonfiguriert Trigger für initramfs-tools (0.142+deb12u3) werden verarbeitet ... update-initramfs: Generating /boot/initrd.img-6.1.0-41-rt-amd64 raspi-firmware: missing /boot/firmware, did you forget to mount it? run-parts: /etc/initramfs/post-update.d//z50-raspi-firmware exited with return code 1 dpkg: Fehler beim Bearbeiten des Paketes initramfs-tools (--configure):  »installiertes post-installation-Skript des Paketes initramfs-tools«-Unterprozess gab den Fehlerwert 1 zurück Fehler traten auf beim Bearbeiten von:  linux-image-6.1.0-41-rt-amd64  linux-image-rt-amd64  initramfs-tools E: Sub-process /usr/bin/dpkg returned an error code (1)

I think it is probably better to do a fresh install by now. switching to english and see whether it will work right away. What do you guys think?
  • PCW
20 Nov 2025 17:50 - 20 Nov 2025 17:53
Replied by PCW on topic Mesa - Can unused step & direction outputs be used as o/p's for other purposes?
Yes, special function pins revert to GPIO if the special function is disabled in HAL

For example on a 7I96S, if you only need 4 step/dir pairs you set num_stepgens=4 in the hal file
and then the GPIO pins that would have been STEP4 and DIR4  become GPIO 25 and 26

To use these GPIO pins as outputs, you must set them into output mode:

setp hm2_7i96s.0.gpio.025.is_output true
setp hm2_7i96s.0.gpio.026.is_output true

and then link the output to the desired signal

net  some_output hm2_7i96s.0.gpio.025.out

You may need to invert the output and choose the proper + or - pin
to insure that the output is low at power up or when you exit from LinuxCNC:

setp hm2_7i96s.0.gpio.025.invert_output true


To determine the terminal block to GPIO pin mapping, look at the appropriate .pin file
or run:

mesaflash --device [cardname] --addr [card_address] --readhmid




 
  • tommylight
20 Nov 2025 17:43
Replied by tommylight on topic Servo Driver Plasma Retrofit
At the very top of your hal file, there is some symbol that does not belong there, seem like '
  • tommylight
20 Nov 2025 17:40
Replied by tommylight on topic Mesa - Can unused step & direction outputs be used as o/p's for other purposes?
All Mesa cards have the ability to use every pin as I/O if not used for special purposes, like stepgen or PWM or encoder, so you can use the step/dir of stepgen 4 (5'th stepgen) by loading just 4 stepgens.
No idea about the pinout though, been a long time, but manual should have everything explained.
  • tommylight
20 Nov 2025 17:37 - 08 Feb 2026 01:28
Replied by tommylight on topic Used Laptops tested with LinuxCNC and Mesa Ethernet boards
forum.linuxcnc.org/38-general-linuxcnc-q...4-16?start=10#315975
  • slowpoke
20 Nov 2025 17:29
Mesa - Can unused step & direction outputs be used as o/p's for other purposes? was created by slowpoke
If yes, where do I find them in HALSHOW?

I'm making a little interface board and have some leftover space, so I could gain a few extra o/p points if I can take advantage of these, perhaps drive a few SSR's.

Mesa 7i96s
  • tommylight
20 Nov 2025 17:14
Replied by tommylight on topic linuxcnc_2.9.4-amd64.hybrid.iso cheksum?
Is that "missing amd gpu firmware something or another"?
That is not a fault, just a warning about missing firmwares for older GPU's.
  • kn612
20 Nov 2025 17:08
Replied by kn612 on topic Servo Driver Plasma Retrofit
I am getting an error on startup after adding the lines about offset mode.  I attached error report and current hal.

Machine jogs around well.  Its when I hit the power button in qtplasmac that enables the motors that they move/jump a little bit.  Offset mode would  correct/dampen that I assume?
  • Hakan
20 Nov 2025 17:00
Replied by Hakan on topic an CIA402 Stepper/Servo as Spindle
Yes there is an example. Two normal stepper drives and one stepper motor spindle.
In the example directory.
 
  • Red_D85
20 Nov 2025 16:59
Replied by Red_D85 on topic an CIA402 Stepper/Servo as Spindle
Hi Hakan
thank you
What should the whole thing look like in the hall and ini? is there an sample?
 
  • PCW
20 Nov 2025 16:54
Replied by PCW on topic Servo Driver Plasma Retrofit
Yes, you would have to set it manually in HAL, something like:

setp hm2_7i97.0.pwmgen.00.offset-mode true
  • Hakan
20 Nov 2025 16:50
Replied by Hakan on topic Ethercat installation from repositories - how to step by step
I think you hit all problems.
"raspi-firmware: missing /boot/firmware, did you forget to mount it?"
Code:
apt remove raspi-firmware
  • Hakan
20 Nov 2025 16:48
Replied by Hakan on topic an CIA402 Stepper/Servo as Spindle
You can use this component instead of the standard cia402 component.
github.com/MetalMusings/cia402pv
The drive uses PV (Profile Velocity) mode which is more suitable
for a spindle motor as it has its own speed ramp up and down.
 
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