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Re: [lwip-users] LWIP v2.0.0 hangs without Phy


From: Simon Goldschmidt
Subject: Re: [lwip-users] LWIP v2.0.0 hangs without Phy
Date: Thu, 12 Oct 2017 10:33:03 +0200

Gustavo Costa TAP wrote:
> I've recently upgraded my project to lwIP v2.0.0, but to my surprise a 
> problem was not fixed.

Have you reported a problem? If not why are you surprised it's not fixed?

> When the "netif_add" api is called without the cable being actually plugged 
> the function just hangs and my wdog barks.

Now this can't be an lwIP bug: lwIP knows nothing of phys. That is part of your 
netif driver, which probably needs fixing.

> Any work arrounds for this issue without having to modify the deeper layers 
> of the stack?

What are deeper layers? You need get someone fix your netif driver.

Simon



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