Re: [Xenomai] Spurious interrupt are raised with 2.6.1 xenomai patch

[Philippe Gerum <rpm@xenomai.org>]

On 04/25/2013 11:06 AM, Philippe Gerum wrote:
> On 04/25/2013 11:03 AM, Philippe Gerum wrote:
>> On 04/25/2013 09:57 AM, Srikanth C wrote:
>>> Test Results with adeos-ipipe patch:
>>>
>>> H/W Setup is same, S/W Changed to adeos-ipipe with 3.0.8 kernel.
>>>
>>> adeos-ipipe-3.0.8-powerpc-2.13-04.patch applied to 3.0.8 kernel,
>>> spurious interrupt is not raised with this patch.
>>>
>>
>> I still don't know what ppc platform you are running on, which does not
>> allow me to figure out which interrupt controller might be involved, and
>> how to try reproducing this issue.
>>
>> Again and I won't ask for this once more:
>>
>> - what is your ppc platform: 40x, 44x, 52xx, 82xx, 83xx, 85xx, 86xx,
>> anything else?
>
> I need the cpu type _and_ the board type. Attaching your kernel .config
> would provide the required information.

CONFIG_PCI_MSI as found in your configuration won't work, with any past 
or current pipeline release for powerpc (3.0.8 was certainly a fluke, or 
MSI was disabled there). The IRQ chip handlers are still attempting to 
mask the MSI source upon interrupt, which won't fly in the I-pipe case.

-- 
Philippe.