Greetings!
I've recently updated from kernel 2.6.20 to 2.6.24 a little used
machine. The new kernel is working quite well. However hdparm isn't
happy.
Running either "hdparm -d0 /dev/hda" or "hdparm -d1 /dev/hda" gives a
"HDIO_SET_DMA failed: Operation not permitted" error. Using the same
config for 2.6.25 gives the same result as 2.6.24.
Here are the DMA related options that are enabled:
OLD (2.6.20):
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_IDEDMA_AUTO=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_ISA_DMA_API=y
NEW (2.6.24 and 2.6.25):
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_HAS_DMA=y
CONFIG_ISA_DMA_API=y
CONFIG_SCSI_DMA=y
CONFIG_ZONE_DMA=y
CONFIG_ZONE_DMA_FLAG=1
Can anybody tell me what I've missed?
Thanks.
David
