Re: Odd ACPI behavior

> Date: Mon, 29 Sep 2003 16:04:25 -0400 (EDT)
> From: John Baldwin <jhb_at_FreeBSD.org>
> 
> 
> On 29-Sep-2003 Kevin Oberman wrote:
> > I recently noticed that, when I boot with ACPI on my IBM T30, I get
> > errors trying to probe the BIOS disabled sio1. This does not happen
> > under apm and happens twice(?) when booting with ACPI and happens even
> > though I have the line 'hint.sio.1.disabled="1"' in /boot/device.hints.
> >>From my dmesg:
> > sio0: type 16550A
> > sio1: configured irq 3 not in bitmap of probed irqs 0
> > sio1: port may not be enabled
> > acpi_cmbat0: <Control method Battery> on acpi0
> > acpi_cmbat1: <Control method Battery> on acpi0
> > acpi_acad0: <AC adapter> on acpi0
> > sio1: configured irq 3 not in bitmap of probed irqs 0
> > sio1: port may not be enabled
> > 
> > Any idea why this is happening? It does not seem to be a serious
> > issue, but it is very odd.
> > 
> > acpidump output, full dmesg, config and whatever available on request.
> 
> Do you kldload a module at some point during your boot?  If so, that
> would explain the double probe.

Yes, it would, but I am not loading any kernel modules except the
slightly automatic loads of ACPI, itself and a few others which should
not cause a probe: ntfs, linux, linprocfs, and daemon_saver.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman_at_es.net			Phone: +1 510 486-8634