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  • Hakan
  • Hakan
Today 19:04
Replied by Hakan on topic Long term plan for the LinuxCNC forum

Long term plan for the LinuxCNC forum

Category: Forum Questions

Will I get banned if I propose to let for example Claude look into this and do a test migration?
  • MikkelRS
  • MikkelRS's Avatar
Today 19:03
Replied by MikkelRS on topic Long term plan for the LinuxCNC forum

Long term plan for the LinuxCNC forum

Category: Forum Questions

This is one of the forums I would actually financially subscribe to in some way. This project and all connections to it is definitely worth giving back to.
  • mwc
  • mwc
Today 18:33
Replied by mwc on topic Long term plan for the LinuxCNC forum

Long term plan for the LinuxCNC forum

Category: Forum Questions

I'm just going to echo the above comments, as I know I have been critical at times of the recent attempts.

I am willing to help with any future moves, but a discussion about what we currently have, and what we'd like would be a good first step.
I'm happy to have that discussion either publicly, or in private.
  • Unlogic
  • Unlogic
Today 17:05
Long term plan for the LinuxCNC forum was created by Unlogic

Long term plan for the LinuxCNC forum

Category: Forum Questions

There has recently been a large effort to try and upgrade the forum from the old software it's currently running.

This has revealed that such a migration is no small task and also apparent storage constraints with the current hosting solution.

The forum and all the information that is available in the threads and posts going many years back is very valuable to the community.

I'm rather new here in the community and I don't know the full history of how this has been handled i the past. But if there is anything the that us in community can do to help out with the forum then I'm willing to help and I'm sure many other people are too.

Personally I think that in order to secure the future of the forum a long term plan needs to be in place regarding the choice of platform, hosting, upgrades and maintenance.



 
  • andypugh
  • andypugh's Avatar
Today 16:23
Replied by andypugh on topic It's me or it's a bug?

It's me or it's a bug?

Category: Plasmac

Can you tell me where you got the info about the buildbot from? We probably want to stop pointing people in that direction.
  • andypugh
  • andypugh's Avatar
Today 16:22
Replied by andypugh on topic It's me or it's a bug?

It's me or it's a bug?

Category: Plasmac

I will install as soon as possible the last version from...  instructions buildbot.linuxcnc.org/

 

Unfortunately that buildbot is very out of date (only builds for Debian Buster and older) as the developer who has it in his garage has drifted away from the project. 

There is a newer version (also in his garage): but that is also out of data and doesn't support any Linux newer than Bookworm. buildbot2.highlab.com/

Your best bet would be to either build from source, or to download the package from here:
github.com/LinuxCNC/linuxcnc/releases

 
  • Kittifix
  • Kittifix
Today 15:22
Replied by Kittifix on topic Ethercat installation from repositories - how to step by step

Ethercat installation from repositories - how to step by step

Category: EtherCAT

New installation , new Problems ....
*
linux-headers-6.12.116+deb13-amd64 (6.12.116-1) wird eingerichtet ...
/etc/kernel/header_postinst.d/dkms:
Sign command: /lib/modules/6.12.116+deb13-amd64/build/scripts/sign-file
Signing key: /var/lib/dkms/mok.key
Public certificate (MOK): /var/lib/dkms/mok.pub

Autoinstall of module ethercat/1.6.13 for kernel 6.12.116+deb13-amd64 (x86_64)
Building module(s)...............................(bad exit status: 2)
Failed command:
./bootstrap && ./configure --with-linux-dir=/lib/modules/6.12.116+deb13-amd64/build --enable-generic --enable-8139too --enable-e100 --enable-e1000 --enable-e1000e --enable-r8169 --enable-igb --enable-igc --enable-genet --disable-stmmac-pci --disable-dwmac-intel --disable-ccat --disable-eoe --enable-cycles --enable-hrtimer --disable-rtdm --disable-debug-if --disable-debug-ring --disable-regalias --disable-tty --enable-wildcards --enable-sii-assign --enable-rt-syslog && make modules

Error! Bad return status for module build on kernel: 6.12.116+deb13-amd64 (x86_64)
Consult /var/lib/dkms/ethercat/1.6.13/build/make.log for more information.

Autoinstall on 6.12.116+deb13-amd64 succeeded for module(s) r8168.
Autoinstall on 6.12.116+deb13-amd64 failed for module(s) ethercat(10).

Error! One or more modules failed to install during autoinstall.
Refer to previous errors for more information.
run-parts: /etc/kernel/header_postinst.d/dkms exited with return code 1
dpkg: Fehler beim Bearbeiten des Paketes linux-headers-6.12.116+deb13-amd64 (--configure):
»installiertes post-installation-Skript des Paketes linux-headers-6.12.116+deb13-amd64«-Unterprozess gab den Fehlerwert 1 zurück
dpkg: Abhängigkeitsprobleme verhindern Konfiguration von linux-headers-amd64:
linux-headers-amd64 hängt ab von linux-headers-6.12.116+deb13-amd64 (= 6.12.116-1); aber:
Paket linux-headers-6.12.116+deb13-amd64 ist noch nicht konfiguriert.

dpkg: Fehler beim Bearbeiten des Paketes linux-headers-amd64 (--configure):
Abhängigkeitsprobleme - verbleibt unkonfiguriert
Fehler traten auf beim Bearbeiten von:
linux-headers-6.12.116+deb13-amd64
linux-headers-amd64


*************************************************
/var/lib/dkms/ethercat/1.6.13/build/make.log
*************************************************

/var/lib/dkms/ethercat/1.6.13/build/devices/igc/igc_main-6.12-ethercat.c: In function ‘igc_xdp_xmit_zc’:
/var/lib/dkms/ethercat/1.6.13/build/devices/igc/igc_main-6.12-ethercat.c:3025:24: error: too few arguments to function ‘xsk_buff_get_metadata’
3025 | meta = xsk_buff_get_metadata(pool, xdp_desc.addr);
| ^~~~~~~~~~~~~~~~~~~~~
In file included from /var/lib/dkms/ethercat/1.6.13/build/devices/igc/igc_main-6.12-ethercat.c:13:
/usr/src/linux-headers-6.12.116+deb13-common/include/net/xdp_sock_drv.h:235:39: note: declared here
235 | static inline struct xsk_tx_metadata *xsk_buff_get_metadata(struct xsk_buff_pool *pool, u64 addr, u32 options)
| ^~~~~~~~~~~~~~~~~~~~~
make[5]: *** [/usr/src/linux-headers-6.12.116+deb13-common/scripts/Makefile.build:234: /var/lib/dkms/ethercat/1.6.13/build/devices/igc/igc_main-6.12-ethercat.o] Fehler 1
make[4]: *** [/usr/src/linux-headers-6.12.116+deb13-common/scripts/Makefile.build:471: /var/lib/dkms/ethercat/1.6.13/build/devices/igc] Fehler 2
make[3]: *** [/usr/src/linux-headers-6.12.116+deb13-common/scripts/Makefile.build:471: /var/lib/dkms/ethercat/1.6.13/build/devices] Fehler 2
make[2]: *** [/usr/src/linux-headers-6.12.116+deb13-common/Makefile:2007: /var/lib/dkms/ethercat/1.6.13/build] Fehler 2
make[1]: *** [/usr/src/linux-headers-6.12.116+deb13-common/Makefile:236: __sub-make] Fehler 2
make[1]: Verzeichnis „/usr/src/linux-headers-6.12.116+deb13-amd64“ wird verlassen
make: *** [Makefile:973: modules] Fehler 2

*********
Done
*************
jule@Jule:~$ uname -v
#1 SMP PREEMPT_RT Debian 6.12.116-1 (2026-11-07)
*
linuxcnc
LINUXCNC - 2.9.10
*
sudo apt --fix-broken install
*
sudo dkms autoinstall
*
sudo apt install autoconf automake libtool pkg-config linux-headers-$(uname -r)
*
sudo dpkg --configure -a
  • JT
  • JT's Avatar
Today 14:48
Old Forum was created by JT

Old Forum

Category: LinuxCNC Announcements

The old forum is returned due to too many complaints about the migration to the new forum.

JT
  • MirkoCNC
  • MirkoCNC
30 Oct 2026 06:43
Replied by MirkoCNC on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

Thanks a lot for your immediate help! That has solved the problem and I can go ahead with the rest of the project.
By the way, I have changed a bit the PID parameters, which has improved the situation, but did not solved it.
FF1 = 1
FF=0.02
MAXOUTPUT=30000
(1000 rpm and high acceleration of 5500 works now)
  • rodw
  • rodw's Avatar
30 Oct 2026 00:19
Replied by rodw on topic Lenovo T490 Laptop Tuning issues

Lenovo T490 Laptop Tuning issues

Category: General LinuxCNC Questions

16 usec is fine but 2067 usec isn't. I would use a different PC but try the -nobase switch Tommy and I shared first.
  • rodw
  • rodw's Avatar
30 Oct 2026 00:10
Replied by rodw on topic AMSAMOTION IO module

AMSAMOTION IO module

Category: EtherCAT

Great. Looks like you could break this up with a complex entry for each input
          <pdoEntry idx="6000" subIdx="01" bitLen="16" halPin="DI-bit" halType="bit"/>

eg
<pdoEntry idx="60FD" subIdx="0" bitLen="32" halType="complex">
            <complexEntry bitLen="1" halPin="CW-limit" halType="bit"/>
            <complexEntry bitLen="1" halPin="CCW-limit" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-home" halType="bit"/>
            <complexEntry bitLen="13"/>
            <complexEntry bitLen="1" halPin="in-1" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-2" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-3" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-4" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-5" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-6" halType="bit"/>
            <complexEntry bitLen="10"/>
          </pdoEntry>
 
  • rodw
  • rodw's Avatar
30 Oct 2026 00:05
Replied by rodw on topic Ethercat drive configuration woes

Ethercat drive configuration woes

Category: EtherCAT

So tried lcec.activate, but that results in an error that activate isn't a valid command.
 
Should be:
initf lcec.activate servo-thread

YOu need to have the latest ethercat driver installed together with ethercat from that repo not from iGh
  • rodw
  • rodw's Avatar
30 Oct 2026 00:02
Replied by rodw on topic Ethercat drive configuration woes

Ethercat drive configuration woes

Category: EtherCAT

Here you go
ethercat_conf.xml = my known good config for Lichuan 4 axis open loop drive. Yours should be the same, just one less axis
ethercat_gen.xml is the lcec_configgen generated file. nice and short. When you get your xml working, raise an issue at github.com/linuxcnc-ethercat

Reference this earlier issue #474 github.com/linuxcnc-ethercat/linuxcnc-ethercat/issues/474

install just your Drive on the ethercat bus and share these files:
ethercat pdos > pdos.txt
ethercat sdos > sdos.txt
ethercat slaves -v > lichuan.txt

Hopefully grandixximo will add support for your drive too. I think it probbaly just needs a tweak to the driver to support < 4 axes
  • tommylight
  • tommylight's Avatar
29 Oct 2026 21:27
Replied by tommylight on topic Lenovo T490 Laptop Tuning issues

Lenovo T490 Laptop Tuning issues

Category: General LinuxCNC Questions 

latency-histogram --nobase --sbinsize 1000 --show
  • CNCJIM
  • CNCJIM
29 Oct 2026 20:55
Replied by CNCJIM on topic Remora with STM32H753ZI

Remora with STM32H753ZI

Category: Computers and Hardware

I was just getting an urge to buy a Flexi-Hal Expatria Technologies card but this might be a better choice over a STM32F446. BigTreeTech Scyllia V.1 - correct - is there a github for the software?
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