Re: [Linux-ia64] CMD649 driver in 2.5.5x

From: Matthew Wilcox <>
Date: 2003-02-05 00:46:29
On Mon, Feb 03, 2003 at 04:53:23PM -0800, Grant Grundler wrote:
> While it had problem reading the CD drive, it completed without
> crashing the box. hmm...seems DMA was disabled at some point
> since I started with DMA enabled (default):

AIUI that's normal -- if an error occurs during DMA, the spec says we
drop down to PIO.  But I thought that was only for the retry, not for
subsequent operations.

"It's not Hollywood.  War is real, war is primarily not about defeat or
victory, it is about death.  I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
Received on Tue Feb 04 05:46:36 2003

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