Simon Goldschmidt schrieb:
How do you know you have a leak, anyway? Does your device stall? Or
is it only temporary? Maybe you just configured the number of pbufs
too low?
I let it run some time. then I close all browser windows and have a look
at the stats. pbuf.used doesn't drop to 0! If I let it run some time
used increases to avail.
Don't I get a tcp_err in this case? This would free pbuf.
That depends on the remote side. If you simply switch off the remote
side or unplug its cable, you won't get a tcp_err (or not for some
time, at least): tcp_err is called when the remote side sends a RST
or your connection times out (and timing out can be a long time for
TCP if the remote side simply doesn't answer at all).
Good to know.
Gustl
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