linux-kernel - RE: [BUG] panda board locks up on boot

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Message-ID: <0247700D01F14443B9209F90AD938CC52409708C@sestoex09.enea.se>
Date:	Fri, 25 Jan 2013 08:43:15 +0000
From:	Mats Liljegren <mats.liljegren@...a.com>
To:	Igor Grinberg <grinberg@...pulab.co.il>,
	Steven Rostedt <rostedt@...dmis.org>
CC:	LKML <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Venkatraman S <svenkatr@...com>
Subject: RE: [BUG] panda board locks up on boot

Hi Steven,

Do you have CONFIG_CPU_FREQ enabled? As I posted earlier in linux-kernel forum ("Failed booting PandaBoard ES with Linux 3.8 RC4" two days ago) my PandaBoard ES hangs while booting with this option enabled. It works fine without it. I have not bisected it down to a single commit though.

/Mats

-----Original Message-----
From: linux-kernel-owner@...r.kernel.org [mailto:linux-kernel-owner@...r.kernel.org] On Behalf Of Igor Grinberg
Sent: den 25 januari 2013 08:10
To: Steven Rostedt
Cc: LKML; linux-arm-kernel; Tony Lindgren; Russell King; Venkatraman S
Subject: Re: [BUG] panda board locks up on boot

Hi Steven,

On 01/25/13 05:01, Steven Rostedt wrote:
> I've recently started testing my work on arm boards and have found 
> that they both don't boot under the latest kernel anymore. I already 
> posted about my snowball board, but my panda board also locks up.
> 
> I've bisected it down to this commit:
> 
> commit 26b88520b80695a6fa5fd95b5d97c03f4daf87e0
> Author: Russell King <rmk+kernel@....linux.org.uk>
> Date:   Fri Apr 13 12:27:37 2012 +0100
> 
>     mmc: omap_hsmmc: remove private DMA API implementation
>     
>     Remove the private DMA API implementation from omap_hsmmc, making it
>     use entirely the DMA engine API.
>     
>     Tested-by: Tony Lindgren <tony@...mide.com>
>     Tested-by: Venkatraman S <svenkatr@...com>
>     Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>
> 
> 
> The commit before boots fine, when adding this commit, it locks up.
> 
> I reverted the commit (with tweaks) against 3.8-rc4 and was able to 
> get my board booting again. Not sure what to do, but I wanted to let 
> people know.

Care to post your kernel config file?


--
Regards,
Igor.
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