Al Boldi wrote:
Bartlomiej Zolnierkiewicz wrote: {
On 7/4/05, Al Boldi <[email protected]> wrote:
Hdparm -tT gives 38mb/s in 2.4.31
Cat /dev/hda > /dev/null gives 2% user 33% sys 65% idle
Hdparm -tT gives 28mb/s in 2.6.12
Cat /dev/hda > /dev/null gives 2% user 25% sys 0% idle 73% IOWAIT
It feels like DMA is not being applied properly in 2.6.12.
Are earlier 2.6.x kernels okay?
dmesg output?
}
Same on 2.6.10,11,12.
No errors though, only sluggish system.
Something like this http://lkml.org/lkml/2005/6/13/1 ?
--
Ondrej Zary
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