Re: can't set hdparm -d1 and correct kernel config
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On Tuesday 28 October 2003 03:32 pm, Benedict Verheyen wrote:
> Hi,
>
> i have 2 matrox hd disks and whenever i want to set the dma to 1 i
> get this error: HDIO_SET_DMA failed: Operation not permitted
> The first is a 40 Gb Matrox IDE and the second a 120 GB Matrox IDE.
> They are recent disks (< 1 year). My motherboard is abit b6, intel
> 440bx chipset PIIX4 IDE. lspci reports that it's a intel 440bx
> chipset (82443 BX/ 82371 EB)
>
> A while ago i recompiled the kernel for LVM support and i think i
> might have excluded something that the kernel needs to set the dma.
> What kernel options do i need to have set in order to allow dma=1?
>
> Thanks.
> Benedict
Use this command to see what kernel options there are and what is
selected in your kernel config file located in /boot.
'cat /boot/config-<kerel version> |grep DMA'
- --
Greg Madden
Debian GNU/Linux
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