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Date:      Thu, 1 Dec 2005 11:55:46 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        George Mitchell <george@m5p.com>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: Compaq R3120US, was Re: ACPI + FIC VA-503+ = non-working fdc
Message-ID:  <200512011155.47057.jhb@freebsd.org>
In-Reply-To: <200512010134.jB11YigV038775@m5p.com>
References:  <200512010134.jB11YigV038775@m5p.com>

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On Wednesday 30 November 2005 08:34 pm, George Mitchell wrote:
> > Well, the IRQs are the same for both.  However, it is quite weird.  With
> > ACPI, we see from your BIOS that your ppc0 device is using IRQ 5, and
> > several PCI devices are using IRQ 7 (include re0).  Without ACPI, both
> > the printer and the PCI devices end up using IRQ 7 (this should _not_
> > happen).  Try removing the hints for ppc0 so it is probed by the PNP BIOS
> > rather than via hints and see if the IRQ moves from 7 to 5 for your
> > non-ACPI case.  Then, check to see if you get the same timeout issues. 
> > You can also try going into your BIOS and changing the LPT settings to
> > use IRQ 7 rather than IRQ 5 as IRQ 7 is more "standard".
>
> There were no ppc hints to change, so I reconfigured it in the BIOS to
> IRQ 7.  (I'm sure I had a reason to configure it on IRQ 5 at some point
> long ago, but I don't remember why.)  This did not change the behavior
> of the board.  And at this point, I would just as soon run with ACPI
> disabled, since I don't know what I would gain by having it enabled.

You had to have hints because your non-ACPI kernel was using IRQ 7 (wrong) for 
ppc0 rather than IRQ 5.  Are you sure your /boot/device.hints was empty?  
Anyways, once you moved the LPT IRQ to 7, did the PCI IRQs change such that 
re0 is on 5 now instead of 7?

> It's another story on another machine I havem where ACPI is working
> much better of 6.0-RELEASE than it had been under 5.4-RELEASE: a Compaq
> R3120US.  I'm getting only three ACPI errors on this machine, whose
> dmesg output is at:
>
> http://www.m5p.com/~george/dmesg-6.0-R3120US.txt
>
> Should I try to do anything about these lines:
>
> acpi0: reservation of 62, 2 (4) failed
> acpi0: reservation of 65, b (4) failed
> acpi_tz0: _CRT value is absurd, ignored (200.0C)
>
> or can I just ignore them?                              -- George

I think you can ignore them.

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



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