Marcelo Coelho wrote:
> Hi!
> 
> 
> I'm using two applications, one using a RAW socket, other using an UDP
> socket and that sometimes opens a RAW socket, that is closed afterwards.

Does open/close happens in a hard-RT code path?

> 
> When I'm running both at the same time, a SYSCALL is triggered, namely
> the 192 (that is related to mmap2).
> 

If you are using Xenomai, switch on T_WARNSW (signal on context switch)
and attach a debugger. If you are using RTAI, I don't know.

> 
> Can this be a RTnet problem?

Never say never, but I tend to say: unlikely.

Jan

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