Date: Thu, 13 Dec 2001 15:43:51 +0100 From: Thomas Zenker <thz@Lennartz-electronic.de> To: Mike Tancsa <mike@sentex.net> Cc: stable@freebsd.org Subject: Re: TCP stack still hosed? Message-ID: <20011213154351.B80481@mezcal.tue.le> References: <20011213105451.A738@mezcal.tue.le> <5.1.0.14.0.20011213091122.048e2940@marble.sentex.ca>
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On Thu, Dec 13, 2001 at 09:23:37AM -0500, Mike Tancsa wrote: > At 10:54 AM 12/13/01 +0100, Thomas Zenker wrote: > >Hi, > > > >after making new kernels I have noticed a dramatical performance drop > >in the tcp stack. > > > >"host-242" is installed, the release is fetched from "mezcal". > >Both are connected to a switch 10/100TX, mezcal has a fxp running > >with 100baseTX, host-242 has a NetGear USB/ethernet adapter (10TX). > > > I seem to recall a number of USB commits recently. Could it be driver > related ? What if you did it with 2 fxp cards ? > > ---Mike > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message see my other mails as well, I did backout the netinet stuff back to 20 Nov. and all works well. Probably it has to do with loss of packets in the switch changing from 100Mbps to 10 Mbps, and then tcp falling in strange recovery behaviour?? Could try to track down the change more precisely. -- Thomas Zenker c/o Lennartz electronic GmbH Bismarckstrasse 136, D-72072 Tuebingen, Germany Phone: +49-(0)7071-93550 Email: thz@lennartz-electronic.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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