Make sure there is no higher priority thread monopolizing the CPU elsewhere, which is preventing the lower priority lwIP from running for relatively large chunks of time. Marty
________________________________ From: lwip-users-bounces+martypomeroy=novabio....@nongnu.org [mailto:lwip-users-bounces+martypomeroy=novabio....@nongnu.org] On Behalf Of Kjel Snorre Jahrus Sent: Monday, August 20, 2012 5:08 AM To: Mailing list for lwIP users Subject: [lwip-users] Ping bulking of replies Hello, I am trying to port lwIP to a EFM32 platform and my driver is doing something that I cannot understand. In the beginning it replies nicely, but after a while it stops replying for some time and after that it goes into a reply mode when it bulks all the PING replies one after the other without doing anything else. After a while it bulks the ARP respons saying that the IP is at MAC address xxx and after that goes into a reply late mode when it replies after each request, but it has some differences in the number of the request reply(i.e. Request seq 3870 followed by reply seq 3863; request seq 3871 followed by reply seq 3864) after that the PC starts sending ARP requests and the chip sends all the remaining PING replies and after that it dies. Can you help me understand why that is happening? I tried to look into the stats and I couldn't see any errors or problems. Thank you in advance, KS
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