Re: [Xenomai] kernel configuration problems with ACPI

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2013-02-26 13:12, Gilles Chanteperdrix wrote:
> On 02/26/2013 11:01 AM, hahnchristopher@arcor.de wrote:
> 
>> On 02/19/2013 6:56 PM,  Gilles Chanteperdrix wrote:
>>> On 02/19/2013 01:52 PM, Christopher Hahn wrote:
>>>
>>>> Do you have any idea how to solve the problem?
>>>> Even if the system receives interrupts at IRQ 4, the program doesn't 
>>>> receive any message from the serial port with this kernel configuration.
>>>
>>>
>>> Trying to register the irq handler as level instead of edge?
>>>
>>> -- 
>>>                                                                 Gilles.
>>>
>>
>> I removed the 'RTDM_IRQTYPE_EDGE' from ksrc/drivers/serial/16550A.c at line 123.
>>
>> Now I get 'Xenomai: xnintr_shirq_handler: IRQ4 not handled. Disabling IRQ line.'
> 
> 
> Jan, any idea?

Not really. If there is an IRQ and the UART says "not for me", either
the UART is buggy or someone else injects on that line.

Linux uses that UART normally on IRQ 4 as well?

Is there any IPMI / Serial-over-LAN stuff configured in the BIOS? If so,
disable.

Jan

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