From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Thu, 29 Jan 2015 11:46:50 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Message-ID: <20150129104650.GA2698@hermes.click-hack.org>
References: <CAHH_qdB0SL01DFidmSQ96YSOoGxpuNLTWoO87K-q6mEA-fM-Rg@mail.gmail.com>
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Subject: Re: [Xenomai] imx28 linux 3.10.32 + ipipe v7 + GPIO IRQ machine
 freeze
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To: Gautier HAOUY <gautier.haouy@gmail.com>
Cc: xenomai@xenomai.org

On Thu, Jan 29, 2015 at 09:46:13AM +0100, Gautier HAOUY wrote:
> Hello everyone,
> 
> I am kindly requesting your help today as I am facing a complete freeze on
> an Freescale iMX28 based board (armadeus APF28-Dev).
> I have developed a very simple kernel module which registers a GPIO
> interrupt handler, working properly on linux 3.10.32 kernel.
> The same code, compiled on a 3.10.32 + ipipe7 (also tested on ipipe v4)
> patched kernel generates a machine freeze on IRQ reception, without message
> and any other possibility than resetting the board.
> 
> I would appreciate any help/hint/procedure I could use to dive into the
> problem and solve it.
> Hoping to help others afterwards,
> Best regards,
> G0TieR.

What is the problem exactly. Only applying the I-pipe patch breaks
the GPIOs, or you need to compile the kernel with CONFIG_IPIPE?

-- 
					    Gilles.