Re: 2.4.16-ben0 DVD block i/o breaks mouse, pmu
>> 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.
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