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  1. M

    "Link is down" in the kernel ring buffer

    Thank you very much for your reply. I have checked hardware connections is ok including an EtherCAT cable between the PC (EtherCAT master) and the first slave. I am about to look into the first slave. If the error message in the ring buffer represents link is down only at Application Layer, the...
  2. M

    "Link is down" in the kernel ring buffer

    Hello, I am facing an EtherCAT communication failure. In our system, a Linux PC works as EtherCAT master. I found the error messages as below in the kernel ring buffer obtained with the "dmesg" command. ec_igb 0000:08:00.0 ec_eth0: igb: ec_eth0 NIC Link is Down (ec-patched) To identify...
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