DMA gia DVD

Φρίξος Κοψαχείλης tachyon at vivodinet.gr
Tue Oct 26 03:23:00 EEST 2004


Anakreon wrote:
> Tom Diamond wrote:
> 
>> Anakreon wrote:
>>
>>> ======================================
>>> otan grafo hdparm -d1 /dev/hdc typonete to parakato minima sfalmatos:
>>> /dev/hdc:
>>> setting using_dma to 1 (on)
>>> HDIO_SET_DMA failed: Operation not permitted
>>> using_dma    =  0 (off)
>>>
>>
>> Ελπίζω να το γράφεις σαν root αυτό. Επίσης τσέκαρε και τα permissions 
>> στο hdc (brw-------).
>>
> Os root.
> to ls -l /dev/hdc typonei
> brw-------  1 e cdrom 22, 0 Μάι 24 21:07 /dev/hdc
> 
> Den katalabeno giatei to hdparm grafei "Operation not permitted"
> As egrafe kapoio pio epeksigimatiko minima. Etsi agnoo to aitio tis
> apotyxias.
> 
> 
Mipws o kernel sou exei metaglwtismenh thn yposthriksh DMA mono gia 
sklhrous? (yparxei tetoio option)
Epishs, o kernel blepei ton IDE controller ths mhtrikhs sou me th marka 
toy? dld fortwnei ton antistoixo driver, h xrhsimopoiei generic IDE support?

-- 
Frixos "I/We/Gaia" Kopsachilis




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