ACPI/PCI-bus issue with compaq evo n160

[Wilko Bulte]

On Wed, Dec 10, 2003 at 10:40:19PM +0100, Fredrik Lindberg wrote:

FWIW: my N160 at least does exactly the same ;) Quite recently the
firewire interface started to show itself for the first time.

Wilko

> Hi,
> 
> I have a Compaq evo n160 running 
> FreeBSD biocandy 5.2-RC FreeBSD 5.2-RC #10: Mon Dec  8 19:08:38 CET 2003
> 
> The machine fails (and always has) to boot with acpi enabled 
> (locks up when mounting /), however, I managed to find out that 
> booting with the following option 
> 
> debug.acpi.disable="pci" 
> 
> in /boot/loader.conf made the machine boot correctly and acpi related 
> functions such as battry monitoring worked just fine.
> 
> But, and a huge but, no pci devices are detected during boot 
> (maybe quite obvious because of that debug option) 
> All pci-devices works perfectly with acpi disabled.
> 
> Now, is there any chance to make freebsd use acpi and the 
> "normal" pci-bus driver at the same time, overriding the 
> acpi pci-bus implementation?
> 
> I believe linux has a kernel option called pci=noacpi (atleast acording to google),
> which does this.
> 
> With acpi enabled scanpci reports all the pci devices, but pciconf -l
> doesn't return anything.
> With acpi disabled, scanpci reports all pci devices, pciconf -l 
> reports all devices.
> 
> dmesg output with acpi enabled 
> http://shapeshifter.se/~fredde/tmp/dmesg.acpi.enabled
> 
> dmesg out with acpi disabled
> http://shapeshifter.se/~fredde/tmp/dmesg.acpi.disabled
> 
> Any, and I mean any, help on this will be very appreciated.
> 
> Thanks,
>    Fredrik
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|/|/ / / /(  (_)  Bulte		wilko at FreeBSD.org