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Re: strange network slowness in 2.6 unless pingflooding

To: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxx>
Subject: Re: strange network slowness in 2.6 unless pingflooding
From: CaT <cat@xxxxxxxxxx>
Date: Tue, 28 Sep 2004 08:49:57 +1000
Cc: linux-kernel@xxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, jgarzik@xxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <41587A26.6020606@xxxxxxxxxxxxxxxx>
Organisation: Furball Inc.
References: <20040927090342.GA1794@xxxxxxxxxx> <41587A26.6020606@xxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.6+20040722i
On Mon, Sep 27, 2004 at 05:37:58PM -0300, Arnaldo Carvalho de Melo wrote:
> 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

It does not help. Same problem as before.

-- 
    Red herrings strewn hither and yon.

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