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Re: Re: FreeBSD-Stack not responding
- From: Wolfgang Heppner <hep at iis dot fhg dot de>
- To: Christoph Csebits <christoph dot csebits at frequentis dot com>
- Cc: eCos mailing list <ecos-discuss at sources dot redhat dot com>
- Date: Tue, 30 Jul 2002 17:57:27 +0200
- Subject: Re: [ECOS] Re: FreeBSD-Stack not responding
- Organization: FhG-IIS-A
- References: <20020730173427.A5764@frequentis.com>
Hi,
i can't say anything about DHCP, because i don't use it.
I did a Ping test the other way around - i can ping my target from a PC
(running Windows or Linux - no difference) without a problem.
I can even connect to my target - a testprogram that sends data
immidiatly after my embedded server gets a connection works fine.
Only Messages i send from a PC to my target get lost and i think that
happens in the tcp layer, because the tcp_input function is called.
regards
Wolfgang
Christoph Csebits wrote:
>
> hi,
>
> quoting http://sources.redhat.com/ml/ecos-discuss/2002-07/msg00425.html
>
>
> Similar problems happens to me.
> Target is a PPC8xx custom one with a derived SCC driver.
> (the "old" stack is working fine)
>
> DHCP at boot time is not working.
> its seems i have the same behaviour described in
> http://sources.redhat.com/ml/ecos-discuss/2002-01/msg00418.html
> (Re: DHCP server xid)
>
> Testing the ping_test with a static IP address
> results in
>
> PING server 10.16.2.20
> 64 bytes from 10.16.2.20: icmp_seq=0, time=0ms
> recvfrom: Operation timed out
> 64 bytes from 10.16.2.20: icmp_seq=2, time=0ms
> recvfrom: Operation timed out
> 64 bytes from 10.16.2.20: icmp_seq=4, time=0ms
> :
> .
>
> ethereal shows the echo requests and replys.
> it seems an ICMP echo reply with a payload of
> (N mod 4 != 0) is not handled correctly.
> ( 64 is working, 65, 66, 67 isnt working, 68 is working ....).
>
> BTW: a TCP connect() is returning -1. :-/
> starting to track it down...
>
> any ideas?, regards Christoph
>
> --
>
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--
Wolfgang Heppner
High Speed Kamerasysteme - Abt. Bildsensorik (ESY-B)
High Speed Camera Systems - Dept. Electronic Imaging (ESY-B)
Fraunhofer
Institut Integrierte Schaltungen
Angewandte Elektronik
Am Wolfsmantel 33
91058 Erlangen
(Germany)
Tel: +49 (0) 9131 776 528
Fax: +49 (0) 9131 776 598
email: hep@iis.fhg.de
web: http://www.iis.fhg.de
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