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[lwip-devel] [bug #30561] Failed assert in tcp_in.c:tcp_receive()

From: Simon Goldschmidt
Subject: [lwip-devel] [bug #30561] Failed assert in tcp_in.c:tcp_receive()
Date: Tue, 10 Aug 2010 20:19:01 +0000
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; de; rv: Gecko/20100722 Firefox/3.6.8

Follow-up Comment #5, bug #30561 (project lwip):

What does 'did not help' mean? Do you still get the failing assert or is it
just the data not coming through like you expect it to?

To me, the assertion:
if (pcb->snd_queuelen != 0) {
LWIP_ASSERT("tcp_receive: valid queue length", pcb->unacked != NULL
||pcb->unsent != NULL);

is very much likely to be provoked by calling tcp_pcb_purge as that functions
sets unacked and unsent to NULL without even touching snd_queuelen.


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