Re: 2.4.21 ServerWorks DMA Bugs

From: Jeff Garzik (
Date: Sat Jul 05 2003 - 12:07:45 EST

Ryan Mack wrote:
> That at least explains the lack of DMA, but why does non-DMA IO result in
> such significant clock skew?

Sounds like the kernel is disabling interrupts for a long time, when
doing PIO data transfer (non-DMA IO).


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