Rh Fernandez wrote: >>> Hello, >>> >>> I have Intel Gigabit-Cards and RTnet 0.9.6, Rtai 3.3 with 2.6.15.7 >>> kernel. >>> The RTnet server starts with the following error: >>> >>> TDMA: failed to transferred sync frame >>> >>> For what reason? > >> Likely because the TDMA subsystem ran out of buffers while the rt_e1000 >> consumes them but doesn't transmit yet. > >>> The client can connect with the server, but rtping and everything >>> else isn't >>> possible. >>> What can I do? > >> There has been reports that it takes about 2 s after "rtifconfig up" to >> get any packet out. The TDMA master starts its cycles earlier and may >> run out of memory therefore. Try putting an explicit "sleep 3" (to play >> safe) in the rtnet start script and check again. > >> Unfortunately, I still have no hardware access to test this issue, find >> the reason and resolve it or install a workaround. > > HI! I have the same problem, I have RTnet 0.9.8, Rtai Magma with > x86_64 kernel 2.6.19.7
0.9.8? I don't think so. That release didn't support x64. > I start the server then when it say "Waiting for all slaves" a start > the client, than the server error: > "TDMA: Failed to transmit sync frame!" > I put the sleep 3 in the start script but I have no success, what > place I have to put "sleep 3"? after "rtifconfig up" > ? > What can I do? Are interrupts coming? Check what RTAI tells you about it in its /proc directories. Jan
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