Hello Trampas,
what chip is your PHY? To stay away from it.

I used W5500 which does whole TCP/IP stack, and it gets warm. Now using
lan8720a with large GND pad.

Adam

Ășt 24. 3. 2020 v 0:59 odesĂ­latel Trampas Stern <tram...@gmail.com> napsal:

> I think I might have found the problem.  I cooled off the Phy chip and
> operation is back to normal.
>
> Trampas
>
> On Mon, Mar 23, 2020 at 3:38 PM Trampas Stern <tram...@gmail.com> wrote:
>
>> I am having random slow downs and ethernet lock ups.  What I have noticed
>> is that sometime ethernet parsing becomes very slow.  I was able to capture
>> this with wireshark (enclosed).
>>
>> I also find that sometimes usually after about a day the system just
>> stops.  I can confirm that the lwip timeouts polling is being called.
>> However the networking just seems to stop.
>>
>> Other minor things are that I have noticed uploading files are extremely
>> slow 1-2Mbits/sec, but downloading from my embedded device is fast
>> 20-30Mbps.
>>
>> I have gone through and make sure error logging is turned on for LWIP. I
>> have tried turning on debugging but it causes so much noise I have trouble
>> looking for the ham in the spam.
>>
>> From the wireshark it appears that lwip is lost or something and ACK'ing
>> stuff out of order.
>>
>> The LWIP version is STABLE-2.1.2
>>
>> Trampas
>>
>> _______________________________________________
> lwip-users mailing list
> lwip-users@nongnu.org
> https://lists.nongnu.org/mailman/listinfo/lwip-users



-- 
731435556
Adam Baron
_______________________________________________
lwip-users mailing list
lwip-users@nongnu.org
https://lists.nongnu.org/mailman/listinfo/lwip-users

Reply via email to