[Gllug] Poor disk performance - help

[Alain Williams]

On Sun, Mar 21, 2004 at 10:52:21PM +0000, Ashley Evans wrote:
> 
> First you could try checking if DMA is enabled, hdparm -d /dev/hda
> 
> -d 1 will try to enable it.
> 
> Most kernels come with the "use dma by default" turned on so if dma isn't 
> enabled you may find the kernel you're using doesn't support the chipset of 
> your motherboard fully. Look up the chipset on google and you're sure to find 
> out.

Hmmm, yes - when I try to set '-d 1' it fails (HDIO_SET_DMA failed: Operation not permitted),
if I try fiddling with -X xxx the kernel starts dereferencing NULL pointers.

Off to google... thanks

> Ashley
-- 
Alain Williams

#include <std_disclaimer.h>

FATHERS-4-JUSTICE - Campaigning for equal rights for parents and the
best interests of our children. See http://www.fathers-4-justice.org
-- 
Gllug mailing list  -  Gllug at gllug.org.uk
http://lists.gllug.org.uk/mailman/listinfo/gllug