Subject: Re: ioapic, PCI_BUS_FIXUP and power
To: None <current-users@NetBSD.org>
From: David Young <dyoung@pobox.com>
List: current-users
Date: 05/29/2007 15:44:33
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On Tue, May 29, 2007 at 10:59:21PM +1200, Mark Davies wrote:
> Still trying to get my laptop sorted with current. I mentioned a few
> weeks ago about "halt -p" not completing having upgraded to current
> and got ioapic sorted. Having played some more I now see the
> following is the case:
>
> With ioapic enabled in the kernel, bge fails with watchdog timeout
> errors etc unless I define PCI_BUS_FIXUP. However defining
> PCI_BUS_FIXUP is what causes "halt -p" not to complete and
> furthermore it causes the machine to hang if I unplug the ac adapter
> (to switch to battery). So is there something in PCI_BUS_FIXUP thats
> not handling power management properly?
Perhaps the information that this script (attached) prints before and
after PCI_BUS_FIXUP may expose the critical difference.
Dave
--
David Young OJC Technologies
dyoung@ojctech.com Urbana, IL * (217) 278-3933 ext 24
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#!/bin/sh
del_leading_zeroes()
{
x=$1
while true; do
ox=$x
x=${ox##0}
if [ -z $x ]; then
x=0
break
elif [ $x = $ox ]; then
break
fi
done
echo $x
}
for i in $(seq 0 7); do
pcictl pci$i list | {
IFS=:
while read bus dev fn rest; do
echo -- bus=$bus dev=$dev fn=$fn --
dev=$(del_leading_zeroes $dev)
bus=$(del_leading_zeroes $bus)
fn=$(del_leading_zeroes $fn)
pcictl pci$i dump -b $bus -d $dev -f $fn
done
}
done 2> /dev/null
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