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

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Date:	Thu, 24 Jan 2013 22:01:26 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Cc:	Russell King <rmk+kernel@....linux.org.uk>,
	Venkatraman S <svenkatr@...com>,
	Tony Lindgren <tony@...mide.com>
Subject: [BUG] panda board locks up on boot

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.

Thanks,

-- Steve


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