On Thu, Nov 8, 2018 at 11:57 PM uaz <umar.azizud...@microengine.net> wrote:

> Hi all,
>
> I'm currently running lwip v2.0.3 on LPC4357 platform.
> I have some issue with pbuf mem_alloc(), which I believe is fragmentation
> issue because after several packet transfers, I'm unable to allocate pbuf
> anymore.


I once had a problem with lwIP not responding after a few packets which
IIRC turned out to be caused by forgetting to deallocate pbufs. You might
want to double check that you don't have a similar mistake.
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