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

Michael Buesch
2003-08-06T19:32:03Z

On Wednesday 06 August 2003 21:29, Frank Van Damme wrote:
> 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

- --
Regards Michael Buesch [ http://www.8ung.at/tuxsoft ]
Penguin on this machine: Linux 2.6.0-test2 - i386

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