Re: [gentoo-user] Incredibly slow disk access

[Wayn0]

William Kenworthy wrote:
> If you have sata drives, and they are showing up as hdx, you have
> something seriously misconfigured.  They should be showing as sdx.
>
> Deselect everything in ATA/ATAPI/MFM/RLL and select the relevant boxes
> in serial ATA.  Dont forget fstab will need redoing to match.
>
> I always thought that if you select both, serial ata should take
> precedence, and in some cases you can access via both, but I have at
> least one machine that will only work as sata with all the older ata
> stuff deselected.
>
> BillK

Cheers,

This is why it's doing my head in. I have a desktop with both sata pata 
drives in with a very similar kernel config and it work as expected :-/

I will try removing all the ATA/ATAPI/MFM/RLL stuff tonight, and report 
back later.

Thanks again for the help

>
>
> On Tue, 2008-01-08 at 09:47 +0200, Wayn0 wrote:
>> Renat Golubchyk wrote:
>>> On Mon, 7 Jan 2008 20:51:02 -0500 "Mark Shields" <laebshade@×××××.com>
>>> wrote:
>>>> I'd also recommending after checking for the above, also check what
>>>> level of UDMA is set.  Try this:  hdparm -I /dev/hda | grep -i dma
>>>>
>>>> Yours should say probably either udma3 or udma4.
>>> Why not udma5 ? All my PATA drives (desktop and notebook) run at udma5
>>> for some years now without any problems.
>> Thanks to everybody that's replied so far.
>>
>> I may have missed something kernel wise but my sata drives are
>> registering as hd* and it refuses to switch on dma.
>>
>> I have no doubt this is a kernel config, just not sure where to look.
>> I don't have the laptop with me at the moment so I will post the kernel
>> config this evening.
>>
>> or perhaps somebody knows right off the bat what the problem is and what
>> I need to enable and disable.
>>
>> I am using the latest gentoo-sources 2.6.23-r8 if memory serves.
>>
>>
>> Thanks again
>>
>> Wayn0
>>

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