LinuxCNC 2.98 - Ethercat - ProbeBasic
- miniwini
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18 Mar 2026 15:27 - 18 Mar 2026 15:31 #344466
by miniwini
LinuxCNC 2.98 - Ethercat - ProbeBasic was created by miniwini
Hi there!
my Raspberry Pi5 died so i needed to setup thing new, but I can´t get it working anymore. It worked before...
I have two Ethercat modules which need "speical care"
1. its the external "EP1809-0021" this is identical to the EL1809, so just replicating the last line in the el1xxx.c with the correct PID, works
2. the EL2564, this is a dedicated "driver" which is copied into the linuxcnc-ethercat/src/devices which gets compiled, works...
LinuxCNC runs in the SIM Modes... also with ProbeBasic
EtherCat works - ethercat master and slave commands...
but LinuxCNC with ProbeBasic and Ethercat doesn´t want to start.
Here you can see my terminal-log when starting LinuxCNC
here you see my Ethercat terminal Outputs...
the EP1809 wasn´t connected...
so what can it be? I followed the "EtherCat installation from repositories" from Rod... i tried multiple images, 2.94~2.98 on Bookworm and Trixie...
thank you
miniwini
my Raspberry Pi5 died so i needed to setup thing new, but I can´t get it working anymore. It worked before...
I have two Ethercat modules which need "speical care"
1. its the external "EP1809-0021" this is identical to the EL1809, so just replicating the last line in the el1xxx.c with the correct PID, works
2. the EL2564, this is a dedicated "driver" which is copied into the linuxcnc-ethercat/src/devices which gets compiled, works...
LinuxCNC runs in the SIM Modes... also with ProbeBasic
EtherCat works - ethercat master and slave commands...
but LinuxCNC with ProbeBasic and Ethercat doesn´t want to start.
LinuxCNC Ethercat crashed with signal 11
-- STACK TRACE START
0 /usr/lib/linuxcnc/modules/lcec.so(+0xfcbc) [0x7f72cb8f3cbc]
1 /lib/x86_64-linux-gnu/libc.so.6(+0x3c050) [0x7f72cc759050]
2 /lib/x86_64-linux-gnu/libethercat.so.1(ecrt_slave_config_pdos+0x2f) [0x7f72cb8b652f]
3 /usr/lib/linuxcnc/modules/lcec.so(rtapi_app_main+0x40a) [0x7f72cb8f4f68]
4 /usr/bin/rtapi_app(+0xbd67) [0x558070fe7d67]
5 /usr/bin/rtapi_app(+0xc6be) [0x558070fe86be]
6 /usr/bin/rtapi_app(+0xccbc) [0x558070fe8cbc]
7 /usr/bin/rtapi_app(+0x7a04) [0x558070fe3a04]
8 /usr/bin/rtapi_app(main+0x70f) [0x558070fe348f]
9 /lib/x86_64-linux-gnu/libc.so.6(+0x2724a) [0x7f72cc74424a]
10 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7f72cc744305]
11 /usr/bin/rtapi_app(_start+0x21) [0x558070fe38f1]
-- STACK TRACE END
twopass: load_the_modules cmd=<orig_loadrt lcec>
waitpid failed /usr/bin/rtapi_app lcec
/usr/bin/rtapi_app exited without becoming ready
insmod for lcec failed, returned -1Here you can see my terminal-log when starting LinuxCNC
here you see my Ethercat terminal Outputs...
cnc@linuxcnc:~$ ethercat slaves
0 0:0 PREOP + EK1100 EtherCAT Coupler (2A E-Bus)
1 0:1 PREOP + EL1018 8K. Dig. Eingang 24V, 10�s
2 0:2 PREOP + EL1018 8K. Dig. Eingang 24V, 10�s
3 0:3 PREOP + EL2024 4K. Dig. Ausgang 24V, 2A
4 0:4 PREOP + EL2024 4Ch. Dig. Output 24V, 2A
5 0:5 PREOP + EL2008 8K. Dig. Ausgang 24V, 0.5A
6 0:6 PREOP + EL2008 8K. Dig. Ausgang 24V, 0.5A
7 0:7 PREOP + EL2034 4K. Dig. Ausgang 24V, 2A, Diagnose
8 0:8 PREOP + EL2809 16K. Dig. Ausgang 24V, 0.5A
9 0:9 PREOP + EL2809 16K. Dig. Ausgang 24V, 0.5A
10 0:10 PREOP + EL2809 16K. Dig. Ausgang 24V, 0.5A
11 0:11 PREOP + EL1819 16K. Dig. Eingang 24V, 10�s
12 0:12 PREOP + EL1819 16K. Dig. Eingang 24V, 10�s
13 0:13 PREOP + EL2564-0010 4 K. LED-Ausgang, 8...48 V DC, 3 A, RGBW, Common Ca
14 0:14 PREOP + EL3202 2K.Ana. Eingang PT100 (RTD)
15 0:15 PREOP + EL3014 4K. Ana. Eingang 0-20mA DIFF
16 0:16 PREOP + EL3052 2Ch. Ana. Input 4-20mA
17 0:17 PREOP + EK1122-0008 2-Port EtherCAT-Abzweig M8
18 0:18 PREOP + EP1018-0001 8 K. Dig. Eingang 24V, 10�s, M8
cnc@linuxcnc:~$ the EP1809 wasn´t connected...
so what can it be? I followed the "EtherCat installation from repositories" from Rod... i tried multiple images, 2.94~2.98 on Bookworm and Trixie...
thank you
miniwini
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Last edit: 18 Mar 2026 15:31 by miniwini.
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- 0x2102
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18 Mar 2026 18:23 #344479
by 0x2102
Replied by 0x2102 on topic LinuxCNC 2.98 - Ethercat - ProbeBasic
I had a similar issue. Was running an older linuxcnc-ethercat version - which worked well but when I went to the latest version to address the "random jitter" issue it crashed with signal 11.
forum.linuxcnc.org/ethercat/58103-etherc...-fix?start=60#344310
Try grandixximo's linuxcnc-ethercat repo - which has the "jitter fix" and the "zero-initialized" fix.
Make your custom mods and compile:
github.com/grandixximo/linuxcnc-ethercat
forum.linuxcnc.org/ethercat/58103-etherc...-fix?start=60#344310
Try grandixximo's linuxcnc-ethercat repo - which has the "jitter fix" and the "zero-initialized" fix.
Make your custom mods and compile:
github.com/grandixximo/linuxcnc-ethercat
The following user(s) said Thank You: miniwini
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- miniwini
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18 Mar 2026 20:01 #344486
by miniwini
thank you for this very helpfull hint!! it´s back online!!
the grandixximo repo did it!
cheers
miniwini
Replied by miniwini on topic LinuxCNC 2.98 - Ethercat - ProbeBasic
thank you for this very helpfull hint!! it´s back online!!
the grandixximo repo did it!
cheers
miniwini
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