Re: [RTnet-developers] rt_eepro100 suspected bug

[stephane a. <san...@fr...>]

Le Tue, 24 Nov 2009 13:47:01 +0100, stephane ancelot <san...@fr...> a  
écrit:

> Le Tue, 24 Nov 2009 13:25:40 +0100, Jan Kiszka <jan...@we...> a  
> écrit:
>
>> stephane ancelot wrote:
>>> Hi,
>>> We have got some problems running eepro100 driver at VERY fast rate, we
>>> send frame very fast, and read recv reply of there is one
>>>
>>> at very very fast rate, sometime, frame are lost using our integrated
>>> nic .
>>>
>>> We ran the same program using a pci rtl8139 nic board  and we are not
>>> affected by the problem.
>>
>> How are we supposed to help you, given this description?
>
> That was to send out an SOS, at the moment, this problem is involved in
> talking to ethercat slaves, that quickly read frames and send it  
> back.This
> happens mainly when we setup our master's distributed clock.
>
I forgot it : it fails if computer is directly linked to slaves.

However, using a switch between the eepro100 and the slaves, the problem  
disappear....

> however, we might first  setup a basic program sending frames to another
> slave machine that only forward these frames , both sides using RTNet.But
> you may have already done this ?
>
>
>
>>
>> Jan
>>
>
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