From: Frank Steiner <fsteiner-mail@bio.ifi.lmu.de>
To: Bernd Schubert <bernd-schubert@web.de>
Cc: Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 3c59x very slow with 2.6.X
Date: Thu, 05 Aug 2004 08:00:52 +0200 [thread overview]
Message-ID: <4111CD14.30601@bio.ifi.lmu.de> (raw)
In-Reply-To: <200408042203.42367.bernd-schubert@web.de>
Bernd Schubert wrote:
> Hello,
>
> somehow the network speed is reduced to 14MBit with 2.6.X on my system, with
> 2.4.X it has full 100MBit.
> As all our systems boot diskless this is really annoying and I will reboot
> 2.4.27 soon.
>
> euklid:~# nttcp -T hamilton2
> Bytes Real s CPU s Real-MBit/s CPU-MBit/s Calls Real-C/s CPU-C/s
> l 8388608 4.73 4.60 14.2004 14.5911 2048 433.36 445.3
> 1 8388608 4.73 0.03 14.1984 2236.9621 6145 1300.12 204833.3
No problem here: both machines have a 3com 3c905CX-TX and run kernel 2.6.7.
zassenhaus /root# nttcp -T riemann
Bytes Real s CPU s Real-MBit/s CPU-MBit/s Calls Real-C/s CPU-C/s
l 8388608 0.71 0.01 94.9903 7457.3690 2048 2898.87 227580.8
1 8388608 0.71 0.04 93.9984 1598.0964 5794 8115.57 137975.4
The driver is compiled into the kernel, not as module. Could that make a
difference for you?
cu,
Frank
--
Dipl.-Inform. Frank Steiner Web: http://www.bio.ifi.lmu.de/~steiner/
Lehrstuhl f. Bioinformatik Mail: http://www.bio.ifi.lmu.de/~steiner/m/
LMU, Amalienstr. 17 Phone: +49 89 2180-4049
80333 Muenchen, Germany Fax: +49 89 2180-99-4049
* Rekursion kann man erst verstehen, wenn man Rekursion verstanden hat. *
next prev parent reply other threads:[~2004-08-05 6:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-04 20:03 3c59x very slow with 2.6.X Bernd Schubert
2004-08-05 6:00 ` Frank Steiner [this message]
2004-08-05 7:41 ` Måns Rullgård
2004-08-05 9:00 ` Bernd Schubert
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