[etherlab-users] Jitter + Timed Out datagrams

Florian Pose fp at igh-essen.com
Wed Apr 1 17:35:20 CEST 2009

On Wed, Mar 18, 2009 at 03:04:28PM +0100, chg at alpenjodel.de wrote:
> Just now I am already working on setting up an RTAI patched kernel. I
> see that this would help with the jitter values.  But i don´t
> understand how this should change something with the timed out
> datagrams in idle mode. And since the master module is not an RTAI
> module this problem probably wouldn´t change. Or do i get something
> wrong and by setting the rtai directory when configuring the master
> modules changes and gets another clocksoure if the rtai modules are
> loaded?

No, the --with-rtai-dir option has impact on the RTAI example only.

It's difficult. The reason for the 'lost' datagrams could be the bus or
the e100 driver. Do you get timed out datagrams if you are using a
loopback Ethernet plug?

Best regards,
Florian Pose


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