>> The question is why DMA would have been disabled in the first place ? >> >> The kernel is enabling DMA by default on all devices that support it >> connected to the Apple IDE interface. > >On my Lombard, I see DMA getting enabled sometime during running of the >initscripts, so it seems to get delayed a lot (the kernel is a couple of >weeks old). I can check the logs to see what it correlates with, if that >helps.
One thing can cause the kernel not to enable DMA... if the drive is in the kernel's "black list" of drives known to be broken with it. Ben.
