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Re: strange network slowness in 2.6 unless pingflooding

To: CaT <cat@xxxxxxxxxx>
Subject: Re: strange network slowness in 2.6 unless pingflooding
From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxx>
Date: Mon, 27 Sep 2004 17:37:58 -0300
Cc: linux-kernel@xxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, jgarzik@xxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
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CaT wrote:
Hi,

This is still happening. I ran the same set of tests on a totally
different network, with my xircom  realport ethernet card (tulip
driver - 16bit) and from linux to linux and windows to linux. Scrolling
through a message in mutt eventually slows down and if I lift my finger
off the enter key whilst it's slow the scrolling keeps going, as if it
was all bufferd. If I do a pingflood (ping -f) from a machine to my
laptop it's all fine.

I am also now running 2.6.9-rc1-mm4.


Have you tried FAQ:

echo 0 > /proc/sys/net/ipv4/tcp_window_scaling

- Arnaldo

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