Hi (Cześć) Lok for this https://lists.nongnu.org/archive/html/lwip-devel/2020-12/msg00014.html In my case it solved the problem of the web server dying after a few days
pt., 28 maj 2021 o 08:58 Adam Baron <vysoca...@gmail.com> napisał(a): > > Hello all, > > I'm having a small STM32F4 application running on devel branch of lwip, It > includes httpd, sntp, smtp client, and mqtt client. All is running well until > the fifth day, when mqtt client starts to receive pbuf=NULL and disconnects. > My reconnect routine reconnects it in some short time, but it receives > pbuf=NULL shortly after. > > Also later on I noticed in log: memp_malloc: out of memory in pool TCP_PCB. > I'm having defined MEMP_NUM_TCP_PCB as 30 and it seems enough for normal > operation, I also upped it to 50, but ended with the same problem > In statistics the NUM_TCP_PCB increases and decreases as it should, but after > uptime past 5 days it stays high with an error flag triggered. > > Quite interestingly it happens exactly after 2^32 milliseconds uptime. I > tried to keep OpenOCD connected to start to peek in, but yet I did not manage > to keep the openOCD running for so long without dropping the connection. > > Does anyone have any ideas please? > > Thanks in advance, > -- > 731435556 > Adam Baron > _______________________________________________ > lwip-users mailing list > lwip-users@nongnu.org > https://lists.nongnu.org/mailman/listinfo/lwip-users -- Pozdrawiam Tomek _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users
