Compaq R3120US, was Re: ACPI + FIC VA-503+ = non-working fdc
John Baldwin
jhb at freebsd.org
Thu Dec 1 17:08:51 GMT 2005
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 at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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