Hi guys, just in case anybody saw similar problems: An update to lwIP 1.4.0 solved this problem.
Kind regards, Gerhard 2011/12/5 Gerhard Wallraf <[email protected]> > Hi all, > > I'm currently experimenting with FreeRTOS 7.0.1 and lwip 1.3.2 on an > AT91SAM7X microcontroller. > The project includes a UDP (SNTP server) socket, which has been > implemented twice now: one time by > using the socket API and the other time using raw udp API with callback > (via udp_recv() ). > > When I start to bothering the UDP socket by sending messages towards it > (running 50 NTP clients in parallel), > the output of PBUF_POOL statistics sooner or later shows lines like this > even after stopping all clients: > > MEM PBUF_POOL: > avail: 64 > used: 31 > max: 43 > err: 4746 > > Socket-based UDP implementation pseudo-code is found at > http://pastebin.com/NUFmX58p . > > Please tell me what other information to provide if you'd like to help. > > Thanks in advance, > > Gerhard > > >
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