star wrote:
> hello,Jan
>        I'm new to rtnet and  trying to test the examples using xenomai2.5.3 
> and rtnet0.9.12. But I fail to  run the source file 
> /examples/xenomai/native/frag-ip.c  with eclipse, I get a message 
> :rt_dev_socket() = -97  as it run to  the fellowing segment:
>      /* create rt-socket */
>     sock = rt_dev_socket(AF_INET,SOCK_DGRAM,0);
>     if (sock < 0) {
>         printf(" rt_dev_socket() = %d!\n", sock);
>         return sock;
>     }
> it seems that i can not create a rt_socket and the AF_INET address family is 
> not supported .All the tools such as rtping and rtcfg run well,so i think i 
> have installed rtnet successfully,but what??s worry?
> 

Check if the rt_udp module is loaded and the protocol is available
(/proc/xenomai/rtdm/protocol_devices). If you were using the rtnet start
script, this does not happen automatically in 0.9.12 (fixed in git).

Jan

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