From: Pierre Etchemaite <petchema@concept-micro.com>
To: Andrew Morton <andrewm@uow.edu.au>
Cc: linux-kernel@vger.kernel.org, Andrea Arcangeli <andrea@suse.de>,
William Montgomery <william@opinicus.com>,
safemode <safemode@voicenet.com>
Subject: Re: lowlatency 2.2.19
Date: Thu, 07 Jun 2001 13:05:35 +0200 (CEST) [thread overview]
Message-ID: <XFMail.20010607130535.petchema@concept-micro.com> (raw)
In-Reply-To: <3B1C33C5.AB6C8CD0@uow.edu.au>
Le 05-Jun-2001, Andrew Morton écrivait :
> Some video cards have a PCI cheat-mode in which they keep
> the PCI bus busy until they are ready to accept new
> commands, rather forcing a retry. Figures of up to
> twenty milliseconds have been mentioned. Your X server
> *may* support the `PCIRetry' config option which will
> defeat this.
Just FYI (I think it's S3 Virge specific, but maybe not), I solved my RX
packets loss on my ADSL interface after I read the message
http://www.xfree86.org/pipermail/xpert/2000-November/003402.html
and used
Section "Device"
Identifier "Generic Video Card"
Driver "s3virge"
Option "fpm_vram"
Option "fifo_aggressive"
Option "pci_burst" "on"
Option "pci_retry" "on"
Option "XaaNoCPUToScreenColorExpandFill"
EndSection
in my XFConfig-4.
(The whole thread seems to be worth a read.)
Best regards,
Pierre.
--
We are the dot in 0.2 Kb/s
next prev parent reply other threads:[~2001-06-07 11:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-03 14:38 lowlatency 2.2.19 William Montgomery
2001-06-04 12:56 ` Andrea Arcangeli
2001-06-04 21:42 ` William Montgomery
2001-06-05 0:58 ` safemode
2001-06-05 1:20 ` Andrew Morton
2001-06-07 11:05 ` Pierre Etchemaite [this message]
2001-06-05 3:23 ` William Montgomery
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