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Re: PS/2 mouse lagging



On 21/03/02 Patrick Lane did speaketh:

> blacktop:/home/mandingo# for i in a b; do hdparm -d 1 /dev/hd$i; done
> 
> /dev/hda:
>  setting using_dma to 1 (on)
>  HDIO_SET_DMA failed: Operation not permitted
>  using_dma    =  0 (off)
> 
> /dev/hdb:
>  setting using_dma to 1 (on)
>  HDIO_SET_DMA failed: Operation not permitted
>  using_dma    =  0 (off)
> blacktop:/home/mandingo# 
> 
> It won't let me. Do I have to enable something in the kernel?

    Possibly. I had to on my wife's computer. To a dmesg and look for your
brand of IDE controller. Make sure said controller is turned on in the kernel.
That's what I had to do to get DMA working. 

    Mike

-- 
Michael P. Soulier <msoulier@mcss.mcmaster.ca>, GnuPG pub key: 5BC8BE08
"...the word HACK is used as a verb to indicate a massive amount
of nerd-like effort."  -Harley Hahn, A Student's Guide to Unix

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