Wifi reconnect uses a lot of Heap

[SecurityAddicted]

I have a Sonoff which is quite far from the AP and frequently drops the connection and try to reconnect (wificonfig is set to 5). What I noticed is after a lot of retries the remaining heap starts to go down, until the device becomes unreachable (probably crashed).
Any thoughts about that?

Using Tasmota v5.12 with SDK 2.4.1.

[arendst]

What LwIP option did you use when compiling with 2.4.1?

The most obvious answer is not to use 2.4.1 as it is known to have memory leaks.

[SecurityAddicted]

Using v2 Lower Memory. What do you suggest? Differences about them?

[arendst]

See Esp/Arduino website about differences and trouble.

I suggest to stay at 2.4.0.

[SecurityAddicted]

Thanks. What LwIP should be used in 2.4.0?

[arendst]

You might want to try the latest development version which contains a fix for this memory leak as documented here esp8266/Arduino#4497

So re-compile with V2 lower memory and 2.4.1 and let me know the results over time.

[ascillato]

Hi,

If your issue was solved, please, close it. Thanks 👍