Re: linux 4.2-rc1 broken Nokia N900

From: "Pali Rohár" <pali.rohar@gmail.com>
To: Michael Welling <mwelling@ieee.org>
Cc: Sebastian Reichel <sre@kernel.org>,
	Tony Lindgren <tony@atomide.com>, Pavel Machek <pavel@ucw.cz>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
	Aaro Koskinen <aaro.koskinen@iki.fi>, Nishanth Menon <nm@ti.com>,
	linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: linux 4.2-rc1 broken Nokia N900
Date: Mon, 20 Jul 2015 22:58:47 +0200	[thread overview]
Message-ID: <201507202258.47697@pali> (raw)
In-Reply-To: <20150720204647.GA11931@deathstar>

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On Monday 20 July 2015 22:46:47 Michael Welling wrote:
> On Tue, Jul 14, 2015 at 09:14:12AM +0200, Pali Rohár wrote:
> > On Monday 13 July 2015 17:36:07 Michael Welling wrote:
> > > On Tue, Jul 14, 2015 at 12:02:44AM +0200, Pali Rohár wrote:
> > > > I think nothing special. I just call:
> > > > 
> > > > export ARCH=arm
> > > > export CROSS_COMPILE=arm-linux-gnueabi-
> > > > make rx51_defconfig
> > > > rm -f arch/arm/boot/zImage
> > > > make -j12 zImage modules omap3-n900.dtb
> > > > CONFIG_DEBUG_SECTION_MISMATCH=y cat arch/arm/boot/zImage
> > > > arch/arm/boot/dts/omap3-n900.dtb > arch/arm/boot/zImage.new mv
> > > > arch/arm/boot/zImage.new arch/arm/boot/zImage
> > > 
> > > Where are you getting rx51_defconfig from?
> > > 
> > > This does not appear to be in the kernel source any longer.
> > > 
> > > Can you try the above with omap2plus_defconfig?
> > 
> > It is in my linux-n900 repository:
> > https://github.com/pali/linux-n900 Repository contains more n900
> > specific patches but SPI code is unpatched
> > 
> > https://github.com/pali/linux-n900/blob/HEAD/arch/arm/configs/rx51_
> > defconfig
> > 
> > Later in week I can try to compile also with omap2plus_defconfig...
> > But in my opinion kernel should not crash with different
> > configuration.
> 
> Has any progress been made on this?
> 

Hi, sorry but I did not have time last weekend for testing...

> Seeing as I was dropped into the middle of this thread,
> I took a look at the discussion previous.
> 
> It appears that you are building the drivers as modules.
> Perhaps I can again attempt to duplicate the issue using modules.
> Though this should not make a difference.

Yes, you can try to build drivers as modules. Also you can try to use my 
rx51_defconfig. Maybe you find something more...

-- 
Pali Rohár
pali.rohar@gmail.com

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