Nadym Salem wrote: > On Fri, August 17, 2007 12:26, Gilles Chanteperdrix wrote: >> > Ok, since we discussed that in xenomai mailinglist yesterday and there >> > seems to be no solution with my bios, >> There is one solution which you refused to try. > > Not refused, just postponed. What I suppose is, that my rtnet problem is > independent from the xenomai problem because of the mentioned reasons, and > that's what I wanted to find out to save some time in installing > everything new and finding out that it's a completely different problem.
Your slave utterly fails to send its calibration request frame on time. It misses its slot by more than 200 cycles (yeah, 400 ms, I packed my calculator already as well), and this is a fairly unusual behaviour, very likely due to timer latency issues of the underlying hardware (or RTOS, but that's less likely). If you don't believe this, start instrumenting (printk etc.) TDMA and compare the time it wants to sleep for its slot to the time it actually does. I would be surprised if the delay is already wrong (not saying that this is absolutely impossible, but very unlikely given your other reports). Jan
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