Re: [Xenomai] Xenomai on i.MX28 failure

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

On 07/05/2013 07:34 PM, Marek Vasut wrote:

> Dear Gilles Chanteperdrix,
> 
>> On 07/05/2013 03:38 PM, Marek Vasut wrote:
>>> Hello,
>>>
>>> I attempted to use xenomai on i.MX28-based board, but unfortunatelly
>>> failed so far. I use mainline Linux 3.8.2 on the board with no
>>> additional patches,
>>>
>>> therefore I did:
>>>     git clone git://git.xenomai.org/xenomai-2.6.git
>>>
>>> To retrieve xenomai-2.6/master . Then I went on to patch the Linux kernel
>>> source:
>>>
>>> ./scripts/prepare-kernel.sh --linux=../linux-stable --
>>> ipipe=ksrc/arch/arm/patches/ipipe-core-3.8-arm-1.patch --arch=arm
>>>
>>> Next I ran "make oldconfig" in the kernel tree. I enabled XENOMAI and
>>> left the newly added configuration options at their default values.
>>>
>>> After compiling the kernel, the kernel does not boot on the board
>>> anymore, while the kernel did boot before patching without problems.
>>>
>>> Can you please give me any pointers or ideas on how to progress ?
>>
>> Try:
>> http://xenomai.org/index.php/I-pipe-core:ArmPorting
> 
> Thanks! The earlyprintk really helped, now I see this output [1] . I suspect
> it's something going on with the ipipe since I see icoll crashing. Can you
> please help me some more on where to look from now on or how to fix this?


Sorry, the bug is obvious, icoll_handle_irq should not call handle_IRQ, 
but handle_multi_irq, as explained here:

http://xenomai.org/index.php/I-pipe-core:ArmPorting#CONFIG_MULTI_IRQ_HANDLER

-- 
                                                                Gilles.