[ltp] T40: DMA Mode

Thomas de Grenier de Latour linux-thinkpad@linux-thinkpad.org
Mon, 10 Nov 2003 13:37:30 +0100


On Fri, 7 Nov 2003 18:56:10 +0100
markus@nospers.de wrote:

> # egrep 'DMA|PIIX' /usr/src/linux/.config
> CONFIG_GENERIC_ISA_DMA=y
> # CONFIG_BLK_DEV_IDEDMA is not set
> # CONFIG_IDEDMA_AUTO is not set
> # CONFIG_DMA_NONPCI is not set

Here is what I get (also on test9-mm2):

CONFIG_GENERIC_ISA_DMA=y
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_IDEDMA_PCI_WIP is not set
CONFIG_BLK_DEV_ADMA=y
CONFIG_BLK_DEV_PIIX=y
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_IVB is not set
CONFIG_IDEDMA_AUTO=y
# CONFIG_DMA_NONPCI is not set

So I think you lack a few options here. In the config tool, try at
least to enable: "ATA/ATAPI/MFM/RLL support" -> "Enhanced ATA/...
support" ->"PCI IDE chipset support" -> "Generic PCI busmaster DMA
support" ->"Intel PIIXn chipset support"

And sorry for the late reply, I'm offline when not at work.

-- 
TGL.