All of lore.kernel.org
 help / color / mirror / Atom feed
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. *

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4111CD14.30601@bio.ifi.lmu.de \
    --to=fsteiner-mail@bio.ifi.lmu.de \
    --cc=bernd-schubert@web.de \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.