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Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds
From: |
Tomasz W |
Subject: |
Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds |
Date: |
Fri, 28 May 2021 09:43:34 +0200 |
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 <vysocan76@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] Out of memory in PCP_PCB pool after 2^32 milliseconds, Adam Baron, 2021/05/28
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds,
Tomasz W <=
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Adam Baron, 2021/05/28
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Trampas Stern, 2021/05/28
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Adam Baron, 2021/05/28
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Trampas Stern, 2021/05/28
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Trampas Stern, 2021/05/28
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Adam Baron, 2021/05/31
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Matthias Paul, 2021/05/31
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, Adam Baron, 2021/05/31
- Re: [lwip-users] Out of memory in PCP_PCB pool after 2^32 milliseconds, address@hidden, 2021/05/31