Re: [2.6] system is very slow during disk access

[Willy Gardiol <gardiol@libero.it>]

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Try to unmask IRQ, this should realy help... 
hdparm -u1 /dev/hda

I usually do on my disks:
hdparm -c1 -u1 -d1 -X69 /dev/hda
(note: use -X69 only for for an UDMA 100 or 133 drive)

> > Maybe you just didn't enable DMA on them. Use hdparm -v /dev/foo to find
> > out.
>
> DMA is on.
>
> root@lfs:/home/mb> hdparm -v /dev/hda
>
> /dev/hda:
>  multcount    = 16 (on)
>  IO_support   =  1 (32-bit)
>  unmaskirq    =  0 (off)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    = 256 (on)
>  geometry     = 14244/16/63, sectors = 80418240, start = 0
>
>
> root@lfs:/home/mb> hdparm -v /dev/hdc
>
> /dev/hdc:
>  multcount    = 16 (on)
>  IO_support   =  1 (32-bit)
>  unmaskirq    =  0 (off)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    = 256 (on)
>  geometry     = 14244/16/63, sectors = 80418240, start = 0

- -- 

! 
 Willy Gardiol - gardiol@libero.it
 gardiol.eu.org
 Use linux for your freedom.

   "La guerra non farà mai finire 
    alcuna guerra, nel migliore dei
    casi sarà stata una guerra in più."

      Gino Strada, Buskashì

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