From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gary Thomas <gthomas@cambridge.redhat.com>
To: Gary Guangyu Pei <pei@CS.UCLA.EDU>
Cc: ecos-discuss@sources.redhat.com
Subject: RE: [ECOS] problem with TCP/IP stack
Date: Fri, 26 Jan 2001 13:46:00 -0000
Message-id: <XFMail.20010126144559.gthomas@cambridge.redhat.com>
References: <Pine.SOL.4.10.10101261017380.19851-100000@k2.cs.ucla.edu>
X-SW-Source: 2001-01/msg00437.html

Are you trying to run one of our test/demo programs?  If not, I'm not
sure I understand your "UDP server" terminology.

On 26-Jan-2001 Gary Guangyu Pei wrote:
> Hi,
> I encountered the following problem with TCP/IP stack:
> It cannot run both UDP server and client together. If I run server only,
> it can receive UDP packets from the other nodes. However, if I run both
> client and server, the client can keep on sending out packets, the server
> will stop receiving packets after it receives the first packet (or
> sometime the first 2 packets) from a client. I use the gdb to trace the
> program. I find the received packages travelling along the protocol stack
> all way up to udp_usrreq.c. After calling the sorwakeup() at line 565, the
> server thread never gets to run.
> 
> Does anyone know what might go wrong? Do you have similar experience?
> 
> The network priority is 7. I tried both 6,7,8 priority for the udp server.
> 
> Thank you very much, any suggestion is highly appreciated.
> 
> Gary
>