Re: [PATCH] i386/x86_64: Force pci=noacpi on HP XW9300

[Jeff Garzik <jeff@garzik.org>]

Linux Kernel Mailing List wrote:
> commit 5491d0f3e206beb95eeb506510d62a1dab462df1
> tree 5c4aadcfb4a93535e2f6e0f5977e930ccacec0e9
> parent f0fdabf8bf187c9aafeb139a828c530ef45cf022
> author Andi Kleen <ak@suse.de> Mon, 15 May 2006 18:19:41 +0200
> committer Linus Torvalds <torvalds@g5.osdl.org> Tue, 16 May 2006 21:59:31 -0700
>
> [PATCH] i386/x86_64: Force pci=noacpi on HP XW9300
>
> This is needed to see all devices.
>
> The system has multiple PCI segments and we don't handle that properly
> yet in PCI and ACPI. Short term before this is fixed blacklist it to
> pci=noacpi.
>
> Acked-by: len.brown@intel.com
> Cc: gregkh@suse.de
> Signed-off-by: Andi Kleen <ak@suse.de>
> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
>
>  arch/i386/kernel/acpi/boot.c |    8 ++++++++
>  1 files changed, 8 insertions(+)
>
> diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
> index 40e5aba..daee695 100644
> --- a/arch/i386/kernel/acpi/boot.c
> +++ b/arch/i386/kernel/acpi/boot.c
> @@ -1066,6 +1066,14 @@ static struct dmi_system_id __initdata a
>  		     DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
>  		     },
>  	 },
> +	{
> +	 .callback = disable_acpi_pci,
> +	 .ident = "HP xw9300",
> +	 .matches = {
> +		    DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> +		    DMI_MATCH(DMI_PRODUCT_NAME, "HP xw9300 Workstation"),

Strong NAK.  Please revert.  This majorly screws my primary workstation, 
and many other users with this workstation.

At a minimum, you should test to see if the BIOS has activated PCI 
domain support first!

	Jeff


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