Re: [Xenomai-help] irq conflict

[Jan Kiszka <jan.kiszka@domain.hid>]

[-- Attachment #1: Type: text/plain, Size: 1429 bytes --]

Theo Veenker wrote:
> Jan Kiszka wrote:
>> Theo Veenker wrote:
>>> Hi all,
>>>
>>> I need to run xenomai on a HP Compaq nc6320. I use kernel 2.6.17.14
>>> and xenomai 2.2.5. The non-realtime kernel runs fine on this laptop,
>>
>> Means the same kernel with I-pipe (and Xenomai) disabled or the same
>> kernel version and .config, but unpatched?
> 
> The latter.
> 
>>
>>> but the xenomai pactched kernel gives several of these messages:
>>>
>>>   IRQ routing conflict for xxxx.xx.xx.x, have irq 11, want irq 10
>>>
>>> And some things (e.g. mouse, network) then don't work, not properly
>>> anyway. The same kernel runs fine however on other systems.
>>>
>>> Any clue what I can do about it?
>>
>> Please provide bootlogs for both rt and non-rt kernel startup. And the
>> .config.
> 
> I 'solved' it by enabling ACPI (without processor module and others).
> Looks good. I don't see high latencies with the latency test. Under
> what conditions might ACPI affect real-time behaviour?

CONFIG_ACPI_PROCESSOR, because it allows deep sleep states with
significant wakeup latencies.

But back to your original issue: You mean your notebook booted fine
under vanilla Linux with ACPI disabled? That would mean I-pipe relies on
ACPI here without stating this anywhere. In that case /something/ needs
fixing: code, config deps, or doc.

Jan


PS: Please take care to not drop the list from CC.


[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 250 bytes --]