[etherlab-users] EtherCAT master stuck waiting for devices

William Montgomery william at opinicus.com
Tue Jun 5 22:31:28 CEST 2012


Sorry. I asked for help too soon.
A few printk's later I found that I had a typo in the MAC address in 
/etc/sysconfig/ethercat.
Working now.

Regards,
Wm

On 06/05/2012 03:52 PM, William Montgomery wrote:
> I am using EtherCAT: Master driver 1.5.1 with Linux kernel 2.6.37.6.
> I built with ./configure --enable-r8169 and all went well but when I 
> start the driver with:
> "/etc/init.d/ethercat start" I see the following with dmesg:
>
> EtherCAT: Master driver 1.5.1 0f7a243b03e4
> EtherCAT: 1 master waiting for devices.
> r8169 0000:03:0f.0: PCI INT A disabled
> ec_r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
> ec_r8169 0000:03:0f.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
> ec_r8169 0000:03:0f.0: (unregistered net_device): no PCI Express 
> capability
> ec_r8169 0000:03:0f.0: eth2: RTL8110s at 0xf87e0000, 
> c4:3d:c7:80:4d:dd, XID 04000000 IRQ 19
>
> The message "EtherCAT: Accepting device ..." never appears.
>
> # ethercat master
> shows:
> Master0
>   Phase: Waiting for device...
>   Active: no
>   Slaves: 0
>   Ethernet devices:
>     Main: c4:3d:7c:80:4d:dd (waiting...)
>       Link: DOWN
>       Tx frames:   0
>       Rx frames:   0
>       Lost frames: 0
>       Tx bytes:    0
>       Tx errors:   0
>       Tx frame rate [1/s]:      0      0      0
>       Tx rate [KByte/s]:      0.0    0.0    0.0
>       Loss rate [1/s]:          0      0      0
>       Frame loss [%]:         0.0    0.0    0.0
>
>     Backup: None.
>   Distributed clocks:
>     Reference clock: None
>     Application time: 0
>                       2000-01-01 00:00:00.000000000
>
> Anyone know why the master doesn't accept the device?
> Any suggestions for troubleshooting?
>
> Regards,
> Wm
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