Hey.
When I boot up my computer, fsck.reiser loves to give me that little asterisked box telling me that DMA is not enabled on my hard drives. However, a few seconds later in the boot process, hdparm is started and enables DMA on all my drives.
/usr/src/linux/Documentation/kernel-parameters.txt
ide?= [HW] (E)IDE subsystem : config (iomem/irq), tuning or debugging (serialize,reset,no{dma,tune,probe}) or chipset specific parameters.
So, you could try adding:
ide0=dma
or:
ide1=dma
to your kernel command line. It may force DMA to be activated by the IDE chipset driver.
MAL
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