Hello Irene,
that your system is crashing is clear because if you use the generic
driver in RTAI context you are loosing your realtime behavior completly.
You will only produce overruns.
Greatings
Andreas
Am 11.05.2011 12:01, schrieb Kaashoek, I. (Irene):
Hi,
Erwin, thanks again for the files and your quick response. I have never used the xenomai
kernel, I will take a look at it. I am still a bit confused by all the different versions
and names that exist in the "ethercat world", I think I have to read a bit on
the different rt kernels that exist.
The problems with the generic driver are solved. By changing the RTAI stack size in
Simulink model> Configuration Parameters> Real-Time Workshop> Etherlab C
code generation options to 3000 instead of the default 2000, my (very simple) Simulink
model worked (allthough the total pc crashes when you want to do something else while
running the model at 1kHz, while I had that only at 20kHz with the native driver on
another pc).
Cheers,
Irene
-----Original Message-----
From: etherlab-users-boun...@etherlab.org
[mailto:etherlab-users-boun...@etherlab.org] On Behalf Of Erwin Burgstaller
Sent: woensdag 11 mei 2011 11:34
To: etherlab-users@etherlab.org
Subject: Re: [etherlab-users] Kernel question
Hi,
* Wed, May 11, 2011 - 08:48:33 +0000, Kaashoek I. Irene - irene.kaash...@tno.nl:
My suggestion to solve the problems would be to compile another preempt kernel,
kernel 2.6.29 and then use the master and driver files from Erwin Burgstaller.
Then I would perhaps need to find a slightly older version of etherlab so that
it is compatible with the master.
As I'm currently very busy otherwise and I have no intentions to move to
another kernel version, the only thing I can do at the moment, is provide you
the matching xenomai-kernel and xenomai itself too:
http://dl.dropbox.com/u/26324125/linux-2.6.29.5-xenomai-2.4.9.tar.bz2
http://dl.dropbox.com/u/26324125/xenomai-2.4.9.tar.bz2
We're not using etherlab, so I can not provide anything for that.
Best thing would be of course, if someone will patch the latest kernels native
e1000e driver, but it's very different from the previous one, so one will have
to start from scratch. :-(
The NIC we're using is 'Intel Corporation 82573L'. So I'm sure it's working for
this one and I don't know if it will with 82574L or 82567LM
Cheers,
Erwin
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