>
> You could also run rtping at a higher rate (-i ...), something that is
> equivalent to the TDMA cycle.
I ran 'rtping -i 1 ...' without any error or packet loss. This way the
packets were sent/received five times more often than with the TDMA protocol
which fails.
> Mmh, SMP... Could you give this also a try with maxcpus=1 (or without
> CONFIG_SMP)? Just to check if we see some SMP-related race.
The same thing again. When I boot both machines with maxcpus=1 kernel option
I again have the TDMA failure (with rtnet start), and again rtping works
correctly.
>
> Then some tracing will be required next, in order to gain overview what
> happens around the out-of-rtskb situation. What kernel are you on, what
> hal (==ipipe) version?
I work with 2.6.23 kernel (#1 SMP x86_64) because that is the latest kernel
that RTAI 3.6 supports for the x86_64 architecture. The I-pipe is, I guess,
version 1.4-03 (when rtai is loaded it prints: RTAI[hal]: <3.6.1> mounted
over IPIPE-NOTHREADS 1.4-03).
BTW, one thing that I mentioned in the first email is that when I load rtnet
module I get the following warning: 'rtnet: no version for "struct_module"
found: kernel tainted'. No other errors are reported. Do you think this
might be relevant, and if yes, how to correct it?
Thanks again for your help,
Bodan
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