On 2013-08-05 16:40, Sebastian Hölzer wrote:
> I tried to force legacy interrupts but i still have the same exact problem.
>
> As for the RTAI reports, Realtime IRQs are listed .
> Correct me if i'm wrong but i think the attached dmesg output tells me
> that IRQ #18 is used for the network interface card.
> Is there more that i can do to narrow down the problem?
>
> ** Real-time IRQs used by RTAI:
>
> #18 at f8a5268f
> #1291 at f8806c74
> #1292 at f880671b
>
Yeah, hat likely means at least IRQ 18 for the first NIC was registered.
No idea why they do not make, though.
There are basically two potential reasons for the issue:
1. The rt_e1000e lacks some magic required to fully support your
specific NIC (you could provide lspci -vv -s 07:00.0 to cross-check
with what I have around)
2. Something is broken in RTAI or that old RTAI/I-pipe patch that
prevents those IRQs from being enabled or delivered. I'm only
testing on 3.x kernels with Xenomai, so I can't help with that
particular setup.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
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