[etherlab-users] Timeout while waiting for Sdo upload response

Florian Pose fp at igh-essen.com
Sat Oct 4 09:39:59 CEST 2008


On Wed, Oct 01, 2008 at 01:12:52PM +0200, Erwin Burgstaller wrote:
> So it seems, there's something to fast, when starting without the
> switch. Unfortunately I cannot watch with wireshark without the switch. Hm, can I?
> 
> Found a solution: It's a little bit complicated but running wireshark on
> the same machine goes like this:
> 
> 1) Unplug the ethernet cable, so there's no link on the master's side.
> 
> 2) Run this commands: 
> 
>    /etc/init.d/ethercat stop; /etc/init.d/ethercat start; /sbin/ifconfig ecdbgm0 up;
> 
> 3) Start wireshark and select ecdbgm0 as capture interface, start
>    captureing!
> 
> 4) Plug in the cable, so the master will see the link and will start with
>    bringing up the bus.
> 
> So I've got two dumps to attach, one with and one without
> switch. 
> 
> Starting with the switch in between, it worked again. Without switch
> there was the sdo timeout.

Please try to configure the master with --enable-cycles. Does it make
any difference?

-- 
Best regards,
Florian Pose

http://etherlab.org



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