Jeff,

I think the sdhci.c clock setting code was changed a while ago.   Maybe revert 
that mod and see what happens.

The card is a 24MHz which is rather slow so I would be surprised if that was 
it. 
The other option is the force enable the High Speed bit in the  controller 
(used when speed is 25MHz or faster).  Will give the system more time (in 
theory) to work.  

Philip

On Feb 7, 2012, at 5:09 PM, Jeff Chua wrote:

> On Wed, Feb 8, 2012 at 7:45 AM, Jaehoon Chung <jh80.ch...@samsung.com> wrote:
>> On 02/08/2012 03:33 AM, Jeff Chua wrote:
> 
> I tried a Class6 8GB and after a few inserts, it could read without
> errors. The Class10 seems to be more sensitive to speed.
> 
> Jeff

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