On 9/16/2015 2:41 PM, ragu nath wrote:
Hi Marcos,

Great news! I did not  find any solution to the issue. I have a REV C board 
from element14. Is this the same board you are using?  In my board I saw the 
issue.

Does this have anything to do with the patch you submitted [PATCH] Beaglebone: 
fix missing clobber in inline assembly. 
https://lists.rtems.org/pipermail/devel/2015-September/012531.html
I have not yet tested with this patch.

The freebsd driver is working with cache disabled.  If possible pls check if it 
is working with cache enabled in your board.

If this is a board revision related issue, is there a way programmatically to
know which revision the board is? That way the BSP could auto-detect the right
thing to do. Otherwise, we may be looking at a BSP variant or a build option.
I would rather avoid those if we can auto-detect.

--joel


Thanks,
Ragunath


On Mon, Sep 14, 2015 at 7:22 PM, Marcos Díaz <marcos.d...@tallertechnologies.com 
<mailto:marcos.d...@tallertechnologies.com>> wrote:

    Hi Ragu,
    I wanted to know if you were able to see something else about the problem 
we had in the BBB when using LWIP and enabling cache ( the program freezes).
    I can tell you that here we were using BBB rev. A5C and had this problem, 
but now we could test this with a BBB Rev C, and it successfully works with 
cache enabled (using the same sdcard in both boards, one works and the other 
doesn't).
    Greetings

    --

    ______________________________

    <http://www.tallertechnologies.com>

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    Marcos Díaz

    Software Engineer

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    Phone:+54 351 4217888 / +54 351 4218211/ +54 351 7617452

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--
ragu

--
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherr...@oarcorp.com        On-Line Applications Research
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