[etherlab-users] Issues with starting ethercat master (with e1000e driver)

Gavin Lambert gavinl at compacsort.com
Thu Jun 13 10:32:17 CEST 2013

Quoth Cor Meijneke:
> I ran into some trouble with e1000e driver (I think) while installing
> the ethercat master.

I can't see anything in the trace you posted that suggests a driver issue.

> [ 6259.203384] EtherCAT ERROR 0-1: Failed to set SAFEOP state, slave
> refused state change (PREOP + ERROR).
> [ 6259.223362] EtherCAT ERROR 0-1: AL status message 0x0035: "DC Invalid
> Sync Cycle Time".

This, however, fairly clearly indicates that your slave config is wrong.
Make sure you're configuring the DC sync setup for that slave according to
the vendor's guidelines.

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