Re: [Xenomai] kernel configuration problems with ACPI

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On 02/14/2013 01:58 PM, Christopher Hahn wrote:

> Am 14.02.2013 13:20, schrieb Gilles Chanteperdrix:
>> On 02/14/2013 01:17 PM, Christopher Hahn wrote:
>>
>>> Am 14.02.2013 13:12, schrieb hahnchristopher@arcor.de:
>>>> Hey guys,
>>>>
>>>> I'm running the new Xenomai 2.6.2.1 with 3.5.7 Kernel on a x86 machine.
>>>> I tried several kernel configurations, but I haven't found the right one yet.
>>>>
>>>> The PC (ADLD25PC) uses a PEAK-Systems PCIE/104 CAN interface and two serialport devices.
>>>>
>>>> I have selected the CAN driver and 16550A driver as kernel modules.
>>>>
>>>>
>>>> With kernel configuration "-xenomai4"  the serial and can devices works, but there are only 2 CPUs detected - so the hyperthreading cores arn't detected.
>>>> And I get a message during bootup "BIOS bug, no explicit IRQ entries, using default mptable. (tell your hw vendor)."
>>>> This is my "best" solution so far - CONFIG_ACPI is completely disabled.
>>>>
>>>>
>>>> In "-xenomai5" configuration is ACPI enabled as you can see in the attached kernel configs.
>>>> The mptable message disappears, 4 cores are detected, but serial and can device IRQs get disabled.
>>>> The can interface and a usb hub get IRQ 19 - thats solvable for me, but the serialport on IRQ 4 gets disabled and I don't know why. (lspci -v log is also attached)
>>>>
>>>>
>>>> Could you point me in a direction how to combine the advantages of the two configurations?
>>>>
>>>>
>>>> Thank you,
>>>>
>>>> Christopher
>>>
>>> Attachments now as txt files
>>
>> It would be interesting to have the kernel boot logs too.
> 
> Sorry, here they are.
> 
> I tested these two versions again and recognised that in "-xenomai5" the 
> CAN interface is working.. so there is "just" the serialport issue (IRQ 
> 4 disabled) left. Everything else seems to work correct.


Please also post the result of
cat /proc/interrupts
and
cat /proc/xenomai/irq

But I guess the problem you have is that the IRQ 4 is shared.

-- 
                                                                Gilles.