Robin Walser wrote: > >> Are you using RT-Socket-CAN? Could you please provide more detailed >> information like what is the returned error code and are there kernel >> log messages (visible with $ dmsg)? >> >> Wolfgang. > My programm based on frag-ip: > http://www.rts.uni-hannover.de/rtnet/lxr/source//examples/xenomai/native/frag-ip.c
[Hmm, might be tricky to tell apart, but this is now an example for a RTnet-specific question => rtnet-user list. If it wasn't, xenomai-help would have been the preferred place for support requests.] > > I use RTnet. The returned error code is always -115 and I have no kernel > log messages. > I think, I'm only need a buffer status report. Is this available? Are you sure it's 115? Anyway, buffer overflows can happen if you sent out frames at a higher rate than hardware can handle. Throttle your transmission, at least once that error pops up. But what is your desired transmission rate after all? Why not set up a periodic transmission task, either waiting for timer events or on the RTmac/TDMA cycle (if you use TDMA with RTnet)? Jan
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