On Saturday, January 15, 2011, Andres Salomon wrote:
> On Fri, 14 Jan 2011 23:24:27 -0500 (EST)
> Len Brown <lenb@xxxxxxxxxx> wrote:
>
> [...]
> > > This patch causes apei_hest_parse to check both hest_disabled and
> > > acpi_pci_disabled before continuing. With it, the XO-1 boots
> > > properly.
> >
> > The X0-1 has no ACPI support, and thus you are running
> > with acpi_disabled=1, yes?
>
> The XO-1 has no ACPI support, but ACPI support is enabled in the kernel
> (as the XO-1.5 does have ACPI support, and the same kernel is used
> between both) and I'm not passing any arguments to the kernel regarding
> it. The kernel's ACPI code detects that it's not there and disables it
> (the kernel message that's seen is "ACPI: Interpreter disabled.")
>
> This is what sets apci_pci_disabled to 1; I'm not doing it manually.
Hmm. Does the appended patch help instead?
Rafael
---
drivers/acpi/pci_root.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6/drivers/acpi/pci_root.c
===================================================================
--- linux-2.6.orig/drivers/acpi/pci_root.c
+++ linux-2.6/drivers/acpi/pci_root.c
@@ -631,11 +631,11 @@ static int acpi_pci_root_remove(struct a
static int __init acpi_pci_root_init(void)
{
+ acpi_hest_init();
+
if (acpi_pci_disabled)
return 0;
- acpi_hest_init();
-
pci_acpi_crs_quirks();
if (acpi_bus_register_driver(&acpi_pci_root_driver) < 0)
return -ENODEV;
--
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