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Socket problem?

To: <>
Subject: Socket problem?
From: "Gill" <>
Date: Sat, 22 May 2004 09:02:48 +0100
Importance: Normal
Organization: Exterity
Original-recipient: rfc822;
Hi -

Has anyone come across a socket problem where the user app calls select() on
a set of sockets, which returns, indicating that data is waiting...then
subsequent recvfrom() call returns -1 indicating that there's nothing

I'm using linux v2.4.2, IPv4, and the ethernet driver is pcnet32.  We're
receiving a UDP stream.

I'm trying to check for dropped packets.  /proc/net/snmp indicates a number
of UDP InErrors (~1 per second).  However, not yet sure whether this is a
consequence of the problem above, or cause of it.

Any help much appreciated!


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