Re: Panic on boot with today's CURRENT, ata related

From: Nate Lawson <nate_at_root.org>
Date: Tue, 10 Aug 2004 14:11:24 -0700
Radek Kozlowski wrote:
> 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.

No problem, I think it's good to debug things to improve FreeBSD even if 
it's not my area of expertise.

>>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.

Do what Soeren said.  I'm definitely willing to look into anything that 
acpi is screwing up if someone can point to the before/after behavior, I 
just can't spend more time in the internals of ata.

-- 
Nate
Received on Tue Aug 10 2004 - 19:11:34 UTC

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