Re: [lwip-users] TCP Previous segment lost - lwip down to crawl

[m8847]

On Tue, 06 Dec 2011 15:44:45 +0100, "Simon Goldschmidt" 
<address@hidden> wrote:

> As always, it would help to mention which IP address is lwIP and
> which is the other and (and what OS the other end is running)! Also,

10.0.0.123 is local lwIP, 10.0.0.121 is remote lwIP. Both uses 
FreeRTOS.

> please give pcap files a correct extension so that they can be opened
> automatically.

Not shure about extension, perhaps pcap?

> Then, why does the pcap only include packets from .123 to .121, not

Oops! Sorry about that, one filter too many.

> > From the small excerpt you sent, it seems like lwIP decided to send 
> > zero window probes. This might be triggered by an actual zero window 
> > received or by a bug in 1.4.0 that will be fixed in 1.4.1 (see 
> > https://savannah.nongnu.org/bugs/index.php?34517). In that case, low 
> > resources might well trigger the bug sooner than if you had plenty of 
> > ram...
>
> Please send us a full log.

Here it comes;

Problem arises around No 1847.

> Simon

Thanks,
 Micael

problem_all.pcap.zip
Description: Zip archive