linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Stephan von Krawczynski <skraw@ithnet.com>
Cc: Karsten Keil <kkeil@suse.de>,
	kai@tp1.ruhr-uni-bochum.de,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ISDN massive packet drops while DVD burn/verify
Date: 06 May 2003 10:52:38 +0100	[thread overview]
Message-ID: <1052214757.28797.11.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <20030505173249.50a72df9.skraw@ithnet.com>

On Llu, 2003-05-05 at 16:32, Stephan von Krawczynski wrote:
> Let me simply ask back: is the IDE code in nowadays 2.4 kernel so bad, that a
> dual 1,4 GHz PIII cpu with 3 GB ram performs much worse than a 90 MHz P I with
> 64 MB and OS/2 on it???
> _My_ isdn drivers showed _no_ such problems under OS/2 and IDE load...
> 
> How did we manage to become that bad?

Our default behaviour in PIO mode is defensive to handle very old controller setups
that chew up disks when the disk gets ahead of the pio transfer.


      parent reply	other threads:[~2003-05-06 10:38 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-16 13:12 ISDN massive packet drops while DVD burn/verify Stephan von Krawczynski
2003-04-18 14:25 ` Kai Germaschewski
2003-04-19 17:38   ` Stephan von Krawczynski
     [not found]     ` <20030419205000.A3541@skunk.physik.uni-erlangen.de>
2003-04-19 20:23       ` Stephan von Krawczynski
2003-04-19 22:01     ` Alan Cox
2003-04-20 16:18       ` Stephan von Krawczynski
2003-04-20 18:53         ` Alan Cox
2003-05-05 14:23         ` Karsten Keil
2003-05-05 15:32           ` Stephan von Krawczynski
2003-05-05 16:46             ` Karsten Keil
2003-05-05 17:26               ` Stephan von Krawczynski
2003-05-05 18:31                 ` Karsten Keil
2003-05-06 10:53                 ` Alan Cox
2003-05-06 12:39                   ` Stephan von Krawczynski
2003-05-06 12:56                     ` Alan Cox
2003-05-06 14:01                       ` Stephan von Krawczynski
2003-05-06 16:46                         ` Wolfgang Fritz
2003-05-06 14:13                       ` Mike Dresser
2003-05-06 13:06                     ` Karsten Keil
2003-05-06  9:52             ` Alan Cox [this message]

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=1052214757.28797.11.camel@dhcp22.swansea.linux.org.uk \
    --to=alan@lxorguk.ukuu.org.uk \
    --cc=kai@tp1.ruhr-uni-bochum.de \
    --cc=kkeil@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=skraw@ithnet.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).