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Date:      Fri, 12 Dec 2003 15:28:56 +0100
From:      Fredrik Lindberg <NOfreddeSPAM@shapeshifter.se>
To:        freebsd-mobile@freebsd.org
Subject:   ACPI/PCI-bus issue with compaq evo n160
Message-ID:  <20031212142856.GA859@shapeshifter.se>

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Hi,
Thank you for your reply.
The information you requested is avaiable at

http://shapeshifter.se/~fredde/tmp/db
http://shapeshifter.se/~fredde/tmp/dmesg.acpi-pci.enabled

  Fredrik 

On Thu, Dec 11, 2003 at 01:42:06PM -0500, John Baldwin (jhb@FreeBSD.org) wrote:
> [ Resent due to NO.*SPAM bounce the first time ]
> 
> On 10-Dec-2003 Fredrik Lindberg wrote:
> > 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.
> 
> If you can drop into ddb and do a 'show intrcnt' when the machine
> locks up that might help fix the hang.  It sounds like the interrupt
> routing may not have worked correctly.  Also, a dmesg of acpi
> with pci enabled would be helpful.
> 
> -- 
> 
> John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
> "Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

----- End forwarded message -----



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