On Sun, 2011-02-06 at 21:56 -0800, Prashant R wrote:
> Is there a good starting  point to debug this ?

It's almost certainly a threading problem caused by the way you're
interfacing to lwIP.

Which lwIP API are you using?  Does your application have multiple
threads accessing lwIP?  Can you give a code example of:
1) how your application sends and receives packets
2) how your driver passes received packets to lwIP for processing?

Thanks

Kieran


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