[etherlab-users] Detecting slaves

Bubeck, Alexander Alexander.Bubeck at ipa.fraunhofer.de
Fri Jun 18 10:23:22 CEST 2010


Hi etherlab list,

while using etherlab on a Beckhoff Embedded PC I run into the following
problem:
after starting up the etherlab stack I only see the bus coupler connected:
[ 2141.903652] EtherCAT 0: Link state changed to UP.
[ 2141.908051] EtherCAT 0: 1 slave(s) responding.
[ 2141.908054] EtherCAT 0: Slave states: PREOP.

When using my notebook with the same etherlab setup I see all slaves
connected:
[44744.672539] EtherCAT 0: 4 slave(s) responding.
[44744.672542] EtherCAT 0: Slave states: PREOP.

The only difference I see is the Embedded PC having an e100 while my
notebook has an e1000e network card. But I use the generic driver on
both machines, so this shouldn't make a difference. I run the latest
development branch of etherlab with a 2.6.32 kernel. Any idea what I'm
doing wrong or how I can further debug the problem?

Thanks in advance.

Alex

--
Dipl.-Ing. Alexander Bubeck
Fraunhofer IPA, Abteilung Robotersysteme Nobelstra�e 12, 70569
Stuttgart, Germany

Telefon: +49 (0) 711 970-1314
Fax: + 49 (0) 711 970-1008
alexander.bubeck at ipa.fraunhofer.de
http://www.ipa.fraunhofer.de

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