| commit | 8c3c08456a945fd3951b51525f901c5be3aca14d | |
| author | Len Brown <len.brown@intel.com> | |
| Fri, 6 Feb 2009 19:00:56 +0000 (6 14:00 -0500) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Thu, 12 Feb 2009 17:50:33 +0000 (12 09:50 -0800) | ||
| tree | 7cc85f64de33e7ad940b2c160abbbe9150775474 | treesnapshot (tar.gz zip) |
| parent | 83fee7c6055707f2f2f1a45b76a8f9ce53925090 | commitdiff |
ACPI: disable ACPI cleanly when bad RSDP found
commit 9e3a9d1ed8cc8db93e5c53e9a5b09065bd95de8b upstream.
When ACPI is disabled in the BIOS of this VIA C3 box,
it invalidates the RSDP, which Linux notices:
ACPI Error (tbxfroot-0218): A valid RSDP was not found [20080926]
Bug Linux neglected to disable ACPI at that stage,
and later scribbled on smp_found_config:
ACPI: No APIC-table, disabling MPS
But this box doesn't run well in legacy PIC mode,
it needed IOAPIC mode to perform correctly:
http://lkml.org/lkml/2009/2/5/39
So exit ACPI mode cleanly when we first detect
that it is hopeless.
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit 9e3a9d1ed8cc8db93e5c53e9a5b09065bd95de8b upstream.
When ACPI is disabled in the BIOS of this VIA C3 box,
it invalidates the RSDP, which Linux notices:
ACPI Error (tbxfroot-0218): A valid RSDP was not found [20080926]
Bug Linux neglected to disable ACPI at that stage,
and later scribbled on smp_found_config:
ACPI: No APIC-table, disabling MPS
But this box doesn't run well in legacy PIC mode,
it needed IOAPIC mode to perform correctly:
http://lkml.org/lkml/2009/2/5/39
So exit ACPI mode cleanly when we first detect
that it is hopeless.
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| drivers/acpi/tables.c | diffblobblamehistory |