Czesc Tomek :), I'll try to add it. Thanks.
However, I feel like it is rather related to the problem of overflowing a uint32 counter of some kind. Since the TCP_PCBs are not freed after 2^32 ticks. Adam pá 28. 5. 2021 v 9:44 odesílatel Tomasz W <wil...@gmail.com> napsal: > 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 -- 731435556 Adam Baron
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