Re: 2.4.9-ac10 IDE access slows as uptime increases

Alan Cox (
Sat, 29 Sep 2001 20:31:45 +0100 (BST)

> I have what sounds like a similar problem - assuming it is a problem
> with the IDE layer dropping the speed - except mine is with my CD or
> DVD drive. They run a lot slower under the 2.4.x kernels than under
> 2.2.19 (looking at 2-3megs/s under 2.4.x, 5-7megs/s under 2.2.19).
> Also when using 2.4.x, the kernel has a habit of disabling DMA and
> performance plummets. Yet it is fine with 2.2.19.
> Is this a related issue? Is there a fix for this?

That sounds different, Talk to Andre I guess
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