From owner-freebsd-stable Tue Apr 3 17:13:17 2001 Delivered-To: freebsd-stable@freebsd.org Received: from mail.webmonster.de (datasink.webmonster.de [194.162.162.209]) by hub.freebsd.org (Postfix) with SMTP id 2067037B720 for ; Tue, 3 Apr 2001 17:13:13 -0700 (PDT) (envelope-from karsten@rohrbach.de) Received: (qmail 72496 invoked by uid 1000); 4 Apr 2001 00:13:32 -0000 Date: Wed, 4 Apr 2001 02:13:32 +0200 From: "Karsten W. Rohrbach" To: Mike Smith Cc: "Jason T. Luttgens" , 'Doug Hardie' , freebsd-stable@FreeBSD.ORG, "'David W. Chapman Jr.'" Subject: Re: Network performance question Message-ID: <20010404021332.F71262@mail.webmonster.de> References: <000001c0bbc9$cc97b990$0200010a@lucky> <200104022315.f32NFO702856@mass.dis.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200104022315.f32NFO702856@mass.dis.org>; from msmith@freebsd.org on Mon, Apr 02, 2001 at 04:15:23PM -0700 X-Arbitrary-Number-Of-The-Day: 42 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Mike Smith(msmith@freebsd.org)@2001.04.02 16:15:23 +0000: > It's a reasonable assumption; it sounds like you haven't tuned the > FreeBSD box very well, so it's doing a lot of disk I/O. > > > I tried the test under FreeBSD with the NetGear card too - in addition to > > the 3COM. It's kinda strange, but when using the NetGear card and outputting > > tcpdump to /dev/null there were no problems, not even many interface errors > > (where as writing to a file causes the network to go down and tons of > > interface errors about halfway through the capture). > > This sounds like the NetGear card has issues with other PCI bus activity. > what exactly is the mainboard hardware? in which slot is the card? i recall having had severe problems on some bx tyan board with 5 pci slots. when i used slot 1 or 5 i had dropped interrupts since they were shared with i tink the onboard scsi. using the middle 3 slots the problem was gone. linux seems to handle interrupt sharing on pci differently from feebsd. /k -- > Experiments must be reproducible; they should all fail in the same way. KR433/KR11-RIPE -- http://www.webmonster.de -- ftp://ftp.webmonster.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message