From: root <gunther.mayer@gmx.net>
To: Martin Dalecki <dalecki@evision-ventures.com>
Cc: Jeff Garzik <jgarzik@mandrakesoft.com>, linux-kernel@vger.kernel.org
Subject: Re: CRAP in 2.4.18-pre7
Date: Sun, 27 Jan 2002 18:53:10 +0100 [thread overview]
Message-ID: <3C543E86.7F0FA37A@gmx.net> (raw)
In-Reply-To: <20020126171545.GB11344@fefe.de> <3C52E671.605FA2F3@mandrakesoft.com> <3C540A90.5020904@evision-ventures.com> <3C542FE6.7C56D6BD@mandrakesoft.com> <3C5439C1.6000305@evision-ventures.com>
Martin Dalecki wrote:
> Jeff Garzik wrote:
>
> >Martin Dalecki wrote:
> >
> >>I would like to notice that the changes in 2.4.18-pre7 to the
> >>tulip eth driver are apparently causing absymal performance drops
> >>on my version of this card. Apparently the performance is dropping
> >>>from the expected 10MB/s to about 10kB/s. The only special
> >>thing about the configuration in question is the fact that it's
> >>a direct connection between two hosts. Well, more precisely it's
> >>a cross-over link between my notebook and desktop.
> >>
> >
> >Are you seeing collisions?
> >
> NO not at all! The transfer is one with scp over a corssover direct link
> between two hosts.
> No hub between involved.
You don't need a hub to have collisions.
Duplex mismatch (i.e. one card in full-duplex, the other in half-duplex)
would just show 10-50 KByte/sec transfer rates typically.
The card's statistics about "collisions" and "late collisions" would
positively prove if this is the case.
next prev parent reply other threads:[~2002-01-27 17:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-26 17:15 question about sparc 64-bit user land Felix von Leitner
2002-01-26 17:24 ` Ben Collins
2002-01-26 17:25 ` Jeff Garzik
2002-01-27 14:11 ` CRAP in 2.4.18-pre7 Martin Dalecki
2002-01-27 16:50 ` Jeff Garzik
2002-01-27 17:32 ` Martin Dalecki
2002-01-27 17:53 ` root [this message]
2002-01-27 21:08 ` H. Peter Anvin
2002-01-28 12:06 ` Martin Dalecki
2002-01-28 15:37 ` H. Peter Anvin
2002-01-27 18:46 ` Michal Jaegermann
2002-01-27 21:58 ` Stephan von Krawczynski
2002-01-28 3:40 ` Michal Jaegermann
2002-01-26 18:07 ` question about sparc 64-bit user land Andreas Jaeger
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