Hi,
I finally wanted to enable dma, so did a lspci:
00:07.1 IDE interface: Advanced Micro Devices [AMD] AMD-756 [Viper] IDE (rev 03)
I concluded that amd74xx would be my driver and compiled and installed
modules with the following settings:
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
CONFIG_IDEDMA_PCI_AUTO=y
# CONFIG_IDEDMA_ONLYDISK is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_PCI_WIP is not set
# CONFIG_BLK_DEV_ADMA100 is not set
CONFIG_IDEDMA_AUTO=y
# CONFIG_IDEDMA_IVB is not set
# CONFIG_DMA_NONPCI is not set
# CONFIG_SCSI_EATA_DMA is not set
and:
CONFIG_BLK_DEV_AMD74XX=m
# CONFIG_AMD74XX_OVERRIDE is not set
# CONFIG_AMD8111_ETH is not set
CONFIG_AMD_RNG=m
CONFIG_AMD_PM768=m
CONFIG_AGP_AMD=y
CONFIG_AGP_AMD_8151=y
(But only the first two are relevant here, I guess.)
But then the disappointment:
$ modprobe amd74xx
$ hdparm -d1 /dev/hda
/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
Any suggestions? (The last command I did as root, of course.)
Thanks a lot in advance!
Andreas Goesele
--
Omnis enim res, quae dando non deficit, dum habetur et non datur,
nondum habetur, quomodo habenda est.
Augustinus, De doctrina christiana
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