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From: John Baldwin <jhb@FreeBSD.org>
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Date: Mon, 8 Aug 2005 14:48:43 -0400
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Cc: Joao Barros <joao.barros@gmail.com>, Mike Tancsa <mike@sentex.net>
Subject: Re: 6.0-CURRENT SNAP004 hangs on amr (patch)
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On Monday 08 August 2005 02:33 pm, Mike Tancsa wrote:
> At 01:11 PM 08/08/2005, John Baldwin wrote:
> >Ok, so I'm assuming that 5.4 works but RELENG_6 does not?  Do you have
> >verbose
> >dmesg's from both cases so that I can compare them?
>
> Actually, one other datapoint that might be related, I tried out my Dell
> box netbooting a RELENG_4 image and I am able to boot with the ATA defined
> in the kernel.
>
>
> IOAPIC #0 intpin 14 -> irq 2
> ...
> atapci0: <Intel PIIX4 ATA33 controller> at device 2.1 on pci0
> atapci0: ATA channel disabled by BIOS
> uhci0: <Intel 82371AB/EB (PIIX4) USB controller> irq 0 at device 2.2 on
> pci0 uhci0: Could not map ports
> device_probe_and_attach: uhci0 attach returned 6

It seems to think it is turned off.  5/6 is probably trying to be "smart" and 
turn it back on for you.

> amr0: <LSILogic MegaRAID> mem 0xfe000000-0xfe3fffff irq 2 at device 8.1 on
> pci0
> amr0: <Series 466> Firmware GH6D, BIOS 1.43, 32MB RAM 

Note IRQ 2, which is intpin 14 from above, so same as IRQ 14.  Do you have an 
MP table for this box lying around btw?

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org