Panic on boot with today's CURRENT, ata related

Radek Kozlowski radek at
Tue Aug 10 14:01:06 PDT 2004

On Tue, Aug 10, 2004 at 01:43:28PM -0700, Nate Lawson wrote:
> >I would like to stress that it only happens with ACPI enabled. If I boot
> >with ACPI disabled the transfer mode is set to UDMA100. Shall I provide
> >you with more info?
> I'm done debugging ATA for now.  I spent 8 hours tracking down the first 
> bug (not counting the time lost tracking down a non-existent routing 
> table bug triggered by the ATA bug) and 15 minutes on the second one.

I'm sorry that i put you through that. I really appreciate it.

> ACPI does not affect ATA other than setting up IO ports and IRQs.  I 
> have no idea what can cause ATA to use PIO over UDMA.

I guess I'll have to learn to live with that then. Over and out.


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