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[lwip-devel] [bug #27140] tcp/ip stack hang becouse remains a pbuf_free

From: juan schiavoni
Subject: [lwip-devel] [bug #27140] tcp/ip stack hang becouse remains a pbuf_free
Date: Fri, 31 Jul 2009 14:01:03 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/2009070812 Ubuntu/8.04 (hardy) Firefox/3.0.12

Follow-up Comment #4, bug #27140 (project lwip):

thanks for the explanation. I did further research, and found that buffer is
not freed when a new connection is established, because the tcp_tmr never
runs. I think the problem is an error in the avr32 uc porting. 

struct tcp_pcb *
tcp_alloc(u8_t prio)
  struct tcp_pcb *pcb;
  u32_t iss;

  pcb = memp_malloc(MEMP_TCP_PCB);  -> this buffer is no freed
  return pcb; 

I may be abusing of your patience, but please could you explain the way the
timeout works? 

Thanks a lot


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