Directory /proc/xenomai/registry/rtipc/xddp does not exist

Jan Kiszka jan.kiszka at web.de
Wed Apr 1 13:48:40 CEST 2020


On 01.04.20 11:38, Jona Ostermann wrote:
> Hello Jan,
>
> our customer still has some problems creating this link.
> They were using Xenomai 2 before and now have switched to Xenomai 3.1.
>
> They were using the function rt_pipe_create in Xenomai 2, is there anything different in Xenomai 3?
>
> We have set the following kernel configuration für XDDP:
>
> CONFIG_XENO_DRIVERS_RTIPC=m
> CONFIG_XENO_DRIVERS_RTIPC_XDDP=y
> CONFIG_XENO_DRIVERS_RTIPC_IDDP=y
> CONFIG_XENO_OPT_IDDP_NRPORT=32
> CONFIG_XENO_DRIVERS_RTIPC_BUFP=y
> CONFIG_XENO_OPT_BUFP_NRPORT=32
>
> Is there anything else needed?

Rather than guessing what might have changed and what might affect you:
Can you provide a test case for what is not working as expected?

Jan

>
> Best Regards
> Jona
>
> -----Ursprüngliche Nachricht-----
> Von: Jona Ostermann
> Gesendet: Dienstag, 31. März 2020 16:03
> An: 'Jan Kiszka' <jan.kiszka at web.de>; xenomai at xenomai.org
> Betreff: AW: Directory /proc/xenomai/registry/rtipc/xddp does not exist
>
> Hello Jan,
>
> thank you, you are correct.
> Using the xddp-label demo tool the link is created.
> So it is an application error and not a Xenomai configuration error.
>
> Best regards
> Jona
>
> -----Ursprüngliche Nachricht-----
> Von: Jan Kiszka <jan.kiszka at web.de>
> Gesendet: Freitag, 27. März 2020 10:07
> An: Jona Ostermann <Jona.Ostermann at janztec.com>; xenomai at xenomai.org
> Betreff: Re: Directory /proc/xenomai/registry/rtipc/xddp does not exist
>
> On 26.03.20 11:12, Jona Ostermann via Xenomai wrote:
>> Hello,
>>
>> one of our customers hast he problem that he needs a registry link in the directory /proc/xenomai/registry/rtipc/xddp.
>> But the directory does not exist, only /proc/xenomai/registry/ exists.
>>
>> What could be the problem?
>> Is a special kernel configuration required or does a special kernel module need to be loaded?
>>
>
> The links show up once xddp is being used. You can check that via smokey's xddp test.
>
> If that is not the case, compare configuration and versions of the reference xenomai-images against your setup and share your findings.
>
> Jan
>




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