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| From: | Simon Goldschmidt |
| Subject: | Re: [lwip-users] lwip_write() returns -1 after few days uptime, or after multiple interface(cable) reconnections |
| Date: | Tue, 26 Jul 2016 14:34:30 +0200 |
Иван wrote: > Going through lwip_sendto() I found sock->conn->last_err is -15 (ERR_IF, > Low-level netif error) OK, that's your bug. With 1.4.1, a netconn or socket stops working once it receives ERR_IF. You can either prevent your netif driver from returning ERR_IF (just return ERR_BUF instead) or upgrade to 2.0.0 (beta). Simon
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