Re: Unable to enable IDE harddisc DMA on VIA KT 880, VIA VT 8237 chipset
Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de> writes:
> "J. Grant" <jg@jguk.org> writes:
>
>> now2g:/home/now3d# hdparm -d 1 /dev/hdc
>>
>> /dev/hdc:
>> setting using_dma to 1 (on)
>> HDIO_SET_DMA failed: Operation not permitted
>> using_dma = 0 (off)
>>
>>
>> I seem unable to enable DMA, which means it is very slow to use.. and
>> causes my whole system to slow (even with nice -n19).
>
> Check that you do not load ide-generic at boot time (or not at all)
> but the specific driver for your chipset.
To this specific chipset the right driver looks like 'via82cxxx'.
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