Re: Please help - problems with Ultra DMA
On Tue, 2002-04-09 at 21:13, Martijn van Oosterhout wrote:
> On Wed, Apr 10, 2002 at 08:13:28AM +1200, David McNab wrote:
> > I'm trying to enable Ultra DMA on a woody system running a 2.4.17
> > kernel.
> >
> > I've enabled the applicable kernel options.
> >
> > CPU is Athlon 1700XP
> > Motherboard is an InnoBD BD7300D, with:
> > VIA VT8366A (KT266A) North bridge
> > VIA VT8233A South Bridge
> >
> > Disk drive: Maxtor 5T06086 60GB 7200 RPM
> >
> > But when I type 'hdparm -d1 /dev/hda', I get
> >
> > setting using_dma to 1 (on)
> > HDIO_SET_DMA failed: Operation not permitted
> > /dev/hda:
> > using_dma = 0 (off)
> >
> > and yes, I'm running 'hdparm' as root.
>
> Ok, do the bootup messages say anything support for that chipset?
In the bootup msgs, I'm getting 'VP_IDE: Unknown VIA Southbridge", for
the VIA VT8233A chip.
> On my
> PIIX4 the kernel detects it and enables the maximum ultradma completely
> automatically.
I'm happy for you.
> Check the VIA chipset support. Does it specifically mention this chipset?
No.
> Lastly, have you tried Andres big-ide patch, which twiddles support for
> several chipsets not in the main kernel.
Can you give me a link?
Google gives lots of mentions, but not the actual patch itself.
Cheers
David
>
> HTH,
> --
> Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/
> > Ignorance continues to thrive when intelligent people choose to do
> > nothing. Speaking out against censorship and ignorance is the imperative
> > of all intelligent people.
>
>
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