Peter Pastor wrote: > Hey again, > > I figured out that one can actually use RTnet without changing the ethernet > frame by simply no loading rtmac module. From what I have read in > README.rtmac, as long as rtmac.ko is not loaded the ethernet frame should > not change.
When rtmac is loaded, RT payload frames are still standard (if using UDP/IP e.g.), just additional meta frames pop up, and some of them may contain tunneled non-RT frames from Linux. But that's only for clarification. > > However, after compiling, installing and loading the modules rtnet, > rtpacket, rtipv4, and rt_e1000 I got the problem that dmesg showed > > [ 146.489750] > [ 146.489751] *** RTnet 0.9.11 - built on Sep 1 2009 00:10:51 *** > [ 146.489752] > [ 146.489755] RTnet: initialising real-time networking > [ 163.476567] RTcfg: init real-time configuration distribution protocol > [ 175.701815] Intel(R) PRO/1000 Network Driver - version 7.1.9 > [ 175.701819] Copyright (c) 1999-2006 Intel Corporation. > [ 175.701864] rt_e1000 0000:06:04.0: PCI INT A -> GSI 26 (level, low) -> > IRQ 26 > [ 175.701899] rt_e1000: probe of 0000:06:04.0 failed with error -5 > [ 175.701911] rt_e1000 0000:06:04.1: PCI INT B -> GSI 27 (level, low) -> > IRQ 27 > [ 175.701928] rt_e1000: probe of 0000:06:04.1 failed with error -5 > [ 175.701940] rt_e1000 0000:06:06.0: PCI INT A -> GSI 28 (level, low) -> > IRQ 28 > [ 175.701955] rt_e1000: probe of 0000:06:06.0 failed with error -5 > [ 175.701967] rt_e1000 0000:06:06.1: PCI INT B -> GSI 29 (level, low) -> > IRQ 29 > [ 175.701981] rt_e1000: probe of 0000:06:06.1 failed with error -5 > > (I use a intel pro/1000 MT Quad Port Server Adapter) Could you try the experimental e1000 driver as well? > > I guess this is the problem why rtifconfig rteth0 up 192.168.2.1 fails with > "ioctl: No such device". Exactly. > > Also, I noticed that the "./confgure" option -enable-rtmac=no had no impact > since it still was build. What am I doing wrong here ? Did you use 'configure' or 'make *config' to configure the RTnet build? Disable it via the same mechanism - or simply do not load rtmac.ko when starting RTnet. Jan
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