> Now I have a new problem....
> I installed rtnet on a pc with a network card supported by the
> driver module.
>
> If I don't remove the slaves ip addresses from the rtnet.conf,
> when I start rtnet, my pc crashes as I told you yesterday.
>
> If I remove the slaves ip addresses I have:
>
> ./rtnet; line 111: $TDMA_CONFIG: ambiguous redirect
> vnic0: unknown interface: No such device
> SIOCSIFADDR: No such device
> vnic0: unknown interface: No such device
> SIOCSIFNETMASK: No such device
> Waiting for all slaves...

First... What do you mean by "crashes"?
If you mean "stalls and seems to freeze the system", that 
behaviour is probably normal. As I told you, at this point RTnet 
tries to synchronize all the participants in the network, 
including the master *and* the slaves. Therefore, you must have 
actual PCs configured as slaves with RTnet, and all connected 
together with the master using a dedicated Ethernet network.
If you have not done so, it seems normal that RTnet stalls at 
this point trying to initialize a non-existant real-time network 
(RTnet is not very robust against wrong configurations 
apparently... ;) ).

If "crashes" means something else (a kernel OOPS for instance), 
then it is more serious, and you should give us more details. 
E.g. what are the messages displayed in the console after 
"Waiting for all slaves", if any? etc.


You also may encounter NIC configuration problems with some card 
models. For instance, autodetection of the medium does not work 
with RTnet's "tulip" driver: I have to specify the medium as a 
module parameter. This problem does not appear with "normal" 
Linux driver.

Try to insmod the RTnet driver modules, and do not execute the 
whole rtnet script, and check the dmesg messages, to see what 
could be wrong with the drivers.

-- 
Romain Lenglet


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