Date: Fri, 13 Apr 2001 10:06:17 -0400 From: Brad Laue <blaue@sympatico.ca> To: freebsd-stable@freebsd.org Subject: FreeBSD 4.3RC out of buffer space in network operations Message-ID: <3AD707D9.9F2CD909@sympatico.ca>
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sendto in send_tcp_raw: sendto(3, packet, 40, 0, 64.228.82.35, 16) => No
buffer space available
Sleeping 15 seconds then retrying
This occurs mainly when nmap -sS is called, and has just started
occuring within the last few cvsups. I have adjusted NMBCLUSTERS
as well as MAXUSERS and several things using sysctl, with no
success.
The one peculiarity is that the interface in question is tunneling
PPPoE. It seems generally incapable of communicating with nmap normally,
manifesting many odd behaviours (such as nmap not knowing which
interface on which to route a scan, even though it is the default
route).
PPPoE is set up exactly as pointed out in the FreeBSD handbook.
nmap might not be a serious utility for most, but it has pointed out to
me that something to do with networking is very broken. Any
suggestions you may have are more than welcome!
FreeBSD TMA-1.brad-x.com 4.3-RC FreeBSD 4.3-RC #0: Thu Apr 12 03:02:34
EDT 2001
root@TMA-1.brad-x.com:/usr/src/sys/compile/DISCOVERY-IPF i386
Cheers,
Brad
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