root@debian:/home/moriseiki# dmesg
[ 9805.811671] EtherCAT 0: Master thread exited.
[ 9805.811683] EtherCAT 0: Starting EtherCAT-IDLE thread.
[ 9805.811780] EtherCAT 0: Releasing master...
[ 9805.811783] EtherCAT 0: Released.
[ 9805.812954] EtherCAT 0: 0 slave(s) responding on main device.
[ 9805.819241] EtherCAT 0: 1 slave(s) responding on main device.
[ 9805.819245] EtherCAT 0: Slave states on main device: OP.
[ 9805.820112] EtherCAT 0: Scanning bus.
[ 9805.895903] EtherCAT ERROR 0-main-0: SDO upload 0x0000:00 aborted.
[ 9805.895914] EtherCAT ERROR 0-main-0: SDO abort message 0x06020000: "This object does not exist in the object directory".
[ 9805.895919] EtherCAT ERROR 0-main-0: Failed to read number of mapped PDO entries.
[ 9805.895923] EtherCAT ERROR 0-main-0: Failed to read mapped PDO entries for PDO 0x0000.
[ 9805.901643] EtherCAT ERROR 0-main-0: SDO upload 0x0000:00 aborted.
[ 9805.901652] EtherCAT ERROR 0-main-0: SDO abort message 0x06020000: "This object does not exist in the object directory".
[ 9805.901656] EtherCAT ERROR 0-main-0: Failed to read number of mapped PDO entries.
[ 9805.901660] EtherCAT ERROR 0-main-0: Failed to read mapped PDO entries for PDO 0x0000.
[ 9805.901717] EtherCAT 0: Bus scanning completed in 84 ms.
[ 9805.901721] EtherCAT 0: Using slave main-0 as DC reference clock.
[ 9805.921956] EtherCAT 0: Slave states on main device: INIT.
[ 9805.946228] EtherCAT 0: Slave states on main device: PREOP.
[ 9806.607094] EtherCAT WARNING: Datagram 0000000053e3275b (master-fsm) was SKIPPED 1 time.
[ 9807.450403] EtherCAT: Requesting master 0...
[ 9807.450408] EtherCAT: Successfully requested master 0.
[ 9807.450541] EtherCAT 0: Domain0: Logical address 0x00000000, 12 byte, expected working counter 3.
[ 9807.450544] EtherCAT 0:   Datagram domain0-0-main: Logical offset 0x00000000, 12 byte, type LRW at 0000000080246714.
[ 9807.451208] EtherCAT 0: Master thread exited.
[ 9807.451213] EtherCAT 0: Starting EtherCAT-OP thread.
[ 9807.453028] EtherCAT WARNING 0: 1 datagram UNMATCHED!
[ 9807.529651] EtherCAT 0: Slave states on main device: INIT.
[ 9807.553822] EtherCAT 0: Slave states on main device: PREOP.
[ 9807.822148] EtherCAT 0: Domain 0: Working counter changed to 2/3.
[ 9807.828143] EtherCAT 0: Slave states on main device: SAFEOP.
[ 9807.836202] EtherCAT 0: Slave states on main device: OP.
[ 9808.824148] EtherCAT 0: Domain 0: Working counter changed to 3/3.
[ 9815.580015] EtherCAT 0: Master thread exited.
[ 9815.580141] EtherCAT 0: Starting EtherCAT-IDLE thread.
[ 9815.580237] EtherCAT 0: Releasing master...
[ 9815.580240] EtherCAT 0: Released.
[ 9815.591485] EtherCAT 0: Slave states on main device: INIT.
[ 9815.623995] EtherCAT 0: Slave states on main device: PREOP.
[ 9816.615667] EtherCAT: Requesting master 0...
[ 9816.615672] EtherCAT: Successfully requested master 0.
[ 9816.615815] EtherCAT 0: Domain0: Logical address 0x00000000, 12 byte, expected working counter 3.
[ 9816.615818] EtherCAT 0:   Datagram domain0-0-main: Logical offset 0x00000000, 12 byte, type LRW at 000000002c633bb4.
[ 9816.618787] EtherCAT 0: Master thread exited.
[ 9816.618791] EtherCAT 0: Starting EtherCAT-OP thread.
[ 9816.618862] EtherCAT WARNING 0: 1 datagram UNMATCHED!
[ 9816.695639] EtherCAT 0: Slave states on main device: INIT.
[ 9816.719823] EtherCAT 0: Slave states on main device: PREOP.
[ 9816.915779] EtherCAT 0: Domain 0: Working counter changed to 2/3.
[ 9816.921486] EtherCAT 0: Slave states on main device: SAFEOP.
[ 9816.929557] EtherCAT 0: Slave states on main device: OP.
[ 9817.916781] EtherCAT 0: Domain 0: Working counter changed to 3/3.
root@debian:/home/moriseiki# dmesg --clear
root@debian:/home/moriseiki# dmesg
[ 9845.276252] EtherCAT 0: Master thread exited.
[ 9845.276264] EtherCAT 0: Starting EtherCAT-IDLE thread.
[ 9845.276352] EtherCAT 0: Releasing master...
[ 9845.276654] EtherCAT 0: Released.
[ 9845.284546] EtherCAT 0: Slave states on main device: INIT.
[ 9845.317033] EtherCAT 0: Slave states on main device: PREOP.
[ 9846.547990] EtherCAT: Requesting master 0...
[ 9846.547996] EtherCAT: Successfully requested master 0.
[ 9846.548402] EtherCAT 0: Domain0: Logical address 0x00000000, 12 byte, expected working counter 3.
[ 9846.548406] EtherCAT 0:   Datagram domain0-0-main: Logical offset 0x00000000, 12 byte, type LRW at 000000002c633bb4.
[ 9846.548578] EtherCAT 0: Master thread exited.
[ 9846.548581] EtherCAT 0: Starting EtherCAT-OP thread.
[ 9846.548689] EtherCAT WARNING 0: 1 datagram UNMATCHED!
[ 9846.629471] EtherCAT 0: Slave states on main device: INIT.
[ 9846.653628] EtherCAT 0: Slave states on main device: PREOP.
[ 9846.849440] EtherCAT 0: Domain 0: Working counter changed to 2/3.
[ 9846.855275] EtherCAT 0: Slave states on main device: SAFEOP.
[ 9846.863336] EtherCAT 0: Slave states on main device: OP.
[ 9847.852445] EtherCAT 0: Domain 0: Working counter changed to 3/3.
root@debian:/home/moriseiki#