Hello Charles,

On Thu, Apr 10, 2014 at 06:37:02PM +0000, l...@moog.com wrote:
> Below is more debug information and hope it's helpful for fixing the problem.
> 
> Regarding the code stalled at early stage, that's hardware related. I 
> am using ARM7 (AT91SAM7 to be specific), so the data alignment is 4 
> and PBUF_LINK_HLEN is 14 by default, so I replaced all PBUF_LINK_HLEN 
> in the patch with (PBUF_LINK_HLEN + 2). It fixed the run-time problem 
> which keep the code running fine. Now I can build-up the PPP 
> connection. However, the patch seems fix the pbuf issue but it 
> actually breaks the traffic from Ethernet to PPP side which was fine 
> before the patch. If you need me do any test, please let me know.

Humm, you should set ETH_PAD_SIZE to 2 in your lwipopts.h instead of 
doing that.

Sylvain

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