[RTnet] RTcfg: error -11

Jan Kiszka jan.kiszka at siemens.com
Tue Mar 10 10:23:54 CET 2020


On 10.03.20 09:09, Benji wrote:
> On 3/9/20 7:53 PM, Jan Kiszka wrote:
>> On 09.03.20 15:58, Benji via Xenomai wrote:
>>> Hi,
>>>
>>> i try to get RTnet up and running, but there are some issues with setup.
>>>
>>> Two system are connected via a switch. Both have 2 network interface,
>>> Intel i210 and Intel 82574L. Only Intel i210 is used by Xenomai/ RTnet.
>>> One system is configured as master in 'rtnet.conf', the other one as a
>>> slave. If 'rtnet start' is executed following outputs appears.
>>>
>>> Master:
>>>
>>>> Waiting for all slaves...
>>>
>>> Slave:
>>>
>>>> Stage 1: searching for master...
>>>
>>> RT interface came up as 'rtifconfig' is shown, but both hang on there
>>> stages.
>>>
>>> At master the dmesg output are floated with messages like:
>>>
>>>> [  323.903321] rt_igb: rteth0: Reset adapter
>>>> [  323.905082] TDMA: Failed to transmit sync frame!
>>>> [  323.910082] TDMA: Failed to transmit sync frame!
>>>> [  323.915083] TDMA: Failed to transmit sync frame!
>>>> [  323.920083] TDMA: Failed to transmit sync frame!
>>>> [  323.932087] RTcfg: error -11 while sending stage 1 frame
>>>
>>> Anybody knows that error -11 means? I can't find any information on
>>> this error code.
>>
>> EAGAIN - the tx queue is filled up, no packets go out, eventually the
>> sender is out of (statically allocated) resources. Does transmission
>> work fine without RTmac/TDMA? Might be that interrupt are not coming
>> (/proc/xenomai/irq).
>>
>> Jan
>>
> 
> Hi,
> 
> i doesn't try yet without TDMA.
> 
> /proc/xenomai/irq:
> 
>> cat /proc/xenomai/irq
> IRQ         CPU0	[sync]
> 353:           0        [reschedule]
> 4354:          0        [timer-ipi]4355:    9995614        [timer/0]
> 4419:         65        [virtual]
> 

Either the rteth0 is down at this point, or you have an even more 
fundamental problem with the rt_igb. But I suspect the former.

Jan

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Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux



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