[Etherlab-users] Problems installing from repo

Merkel, Amos Amos.Merkel at ifas.rwth-aachen.de
Tue Mar 16 16:46:11 CET 2021

Hi there,

I am trying to install the ethercat Master on a fresh install of opensuse 15.2 from the repository science:EtherLab.

Unfortunately, I get errors on installing ethercat-kmp-rt. The packages kernel-rt, headers and firmware are installed, the rt kernel is loaded.
uname -r shows: 5.3.18-lp152.3.5-rt

On installation of ethercat-kmp-rt I get:
depmod: FATAL: could not load /boot/System.map-4.4.112-rt127-lp152-rt: No such file or directory
warning: %post(ethercat-kmp-rt...) scriplet failed, exit status 1

Indeed, there is no /boot/System.map-4.4...., but a System.map-5.3.... since I have no 4.4 kernel installed.

Of course, ignoring this error and trying systemctl start ethercat.service fails with:
Modprobe: FATAL: Module ec_master not found in directory /lib/modules/5.2.18-lp152.3.5-rt

Actually the master modules are installed to a .../modules/4.4.something directory.

Is this a bug or did I do something fundamentally wrong?


Amos Merkel, M.Sc.
Academic Staff
High Performance Components

ifas - Institute for Fluid Power Drives and Systems
RWTH Aachen University
Campus-Boulevard 30
52074 Aachen

Tel: +49 241 80-47737
Fax: +49 241 80-647712

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