Re: 2.4.20-pre2-ac4 IDE is slow

Samuel Flory (sflory@rackable.com)
22 Aug 2002 12:50:28 -0700


Can you send the ide section of dmesg? What are the results of hdparm
-t /dev/hda on both kernels?

On Thu, 2002-08-22 at 10:59, Rob Speer wrote:
> I think I remember someone else bringing up this same issue, in which
> case I'm sorry to have to ask again, but I can't find the message.
>
> I'm going from 2.4.19 to 2.4.20-pre2-ac4 and the hard drive is noticably
> slower in the new version. (It doesn't use DMA in either version - I
> wish it did in ac4, but that's a separate problem.)
>
> What I seem to remember from the other message is that there's some
> parameter that can be changed to bring the speed back up. Could someone
> tell me what it is?
>
>
> If it helps: output of hdparm /dev/hda
>
> /dev/hda:
> multcount = 0 (off)
> IO_support = 0 (default 16-bit)
> unmaskirq = 0 (off)
> using_dma = 0 (off)
> keepsettings = 0 (off)
> readonly = 0 (off)
> readahead = 8 (on)
> geometry = 77557/16/63, sectors = 78177792, start = 0
>
> --
> Rob Speer
>
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