/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
[root@wr5z Documentation]# hdparm -d1 /dev/hdb
/dev/hdb:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
Information on both drives seem to indicate this should be possible.
[root@wr5z Documentation]# hdparm -i /dev/hda
/dev/hda:
Model=SAMSUNG VG34323A (4.32GB), FwRev=GQ101, SerialNo=ST18917092e5b4
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=14896/9/63, TrkSize=32256, SectSize=512, ECCbytes=21
BuffType=3(DualPortCache), BuffSize=496kB, MaxMultSect=16, MultSect=off
DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=2(fast)
CurCHS=525/255/63, CurSects=-531627904, LBA=yes, LBA=yes,
LBAsects=8446032
tDMA={min:120,rec:120}, DMA modes: sword0 sword1 sword2 *mword0 mword1
mword2
IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4
UDMA modes: mode0 mode1 *mode2
[root@wr5z Documentation]# hdparm -i /dev/hdb
/dev/hdb:
Model=WDC AC14300R, FwRev=15.01J55, SerialNo=WD-WM6260183946
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs
FmtGapReq }
RawCHS=8912/15/63, TrkSize=57600, SectSize=600, ECCbytes=40
BuffType=3(DualPortCache), BuffSize=512kB, MaxMultSect=16, MultSect=off
DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow)
CurCHS=524/255/63, CurSects=-2117074816, LBA=yes, LBA=yes,
LBAsects=8421840
tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2
IORDY=on/off, tPIO={min:160,w/IORDY:120}, PIO modes: mode3 mode4
UDMA modes: mode0 mode1 mode2
Could someone provide the clue, or mention TFM to R. The cable is 14
inches, and adding ide0=dma seems to have no effect.
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